Mechanical Tech Pneumatic Hydraulic Systems2

Department of Mechanical Technology Pneumatic and Hydraulic Systems

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Department of Mechanical Technology

CURRICULUM

FOR

Hydraulic and Pneumatic Systems


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Study Plan Distributed to all Semesters

Number of Units CTH T W L CRH

Prerequisite. Course Title Code No.

4 1 3 3 General English Language 101 ENG 1

2 2 2 Arabic Language 101 ARB 2

4 1 3 3 Specialized Mathematics 151 MAT 3

4 4 2 Engineering Drafting 111 SYS 4

4 4 2 Preparatory Workshop 112 SYS 5

4 2 2 3 Basics of Fluid Power 113 SYS 6

Firs

t Sem

este

r

4 4 2 Introduction to Computer 101 CMP 7

26 2 14 10 17 Total Number of Units



4 2 2 3 101 ENG Technical English-1 121 ENG 1

4 2 2 3 Specialized Physics 101 PHY 2

5 4 1 3 113 SYS Hydraulic & Pneumatic Systems 215 SYS 3

2 2 2 Islamic Culture -1 101 ISL 4

7 6 1 4 112 SYS Machining Technology 122 SYS 5

3 2 1 2 113 SYS Hydraulic & Pneumatic Components 124 SYS 6

3 2 1 2 Fundamentals of Automatic Control 123 SYS 7

Seco

nd S

emes

ter



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4 1 3 3 121 ENG Specialized English -II 222 ENG 1

3 2 1 2 121 SYS Electric Hydraulics 211 SYS 2

5 4 1 3 121 SYS Maintenance of Hydraulic Systems 212 SYS 3

2 2 2 Industrial Safety 213 SYS 4

3 2 1 2 123 SYS Control Systems 216 SYS 5

2 2 2 121 ISL Islamic Culture -2 202 ISL 6

4 4 2 111 SYS Computer Aided Drafting 215 SYS 7

Thi

rd S

emes

ter




4 4 2 212 SYS Overhauling the Hydraulic Systems 221 SYS 1

4 2 2 3 211 SYS Programmable Logic Control System 222 SYS 2

3 2 1 2 Hydraulics of Mobile Equipment 223 SYS 3

4 2 2 3 Proportional And Servo Hydraulics 224 SYS 4

3 2 1 2 216 SYS Computer Manufacturing Processes 225 SYS 5

2 2 2 Professional Ethics 101 MGT 6

4 4 2 Project 226 SYS 7

Fort

h Se

mes

ter

24 16 8 16 Total Number of Units


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Prerequisite Course Title Code No.

4 Co-operative Training 199 MEC 1 Sum

mer


101 4 58 40 72 Total Number of Program Units

CRH: Credit Hours. L: Lecture Hours. W: Laboratory / Workshop Hours T: Tutorial Hours CTH: Weekly Contact Hours.


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Department Mechanical Technology Major Pneumatic and Hydraulic Systems

Course name Engineering Drawing Code MEV 221

Prerequisite MEV 121

Course description: This course covers the principles of assembly drawing by using fits and tolerance. Also construction methods of coupling, keys, splints, threads and nuts, and determining surface quality.

Semester 1 2 3 4

Credit hours 2

L

W 4 Contact hours

T

General course objectives This course aims to introduce the student to the principals of assembly drawing by using fits and tolerance. Also construction methods of coupling, keys, splints, threads and nuts, and determine surface quality of machined surfaces.

Skill Objectives:The student should be able to:• Know the principals of assembly drawing by using fits and tolerance. • Know the construction methods of coupling, keys, splints, threads and nuts. • Determine surface quality of machined surfaces. • Analyze the drawing and write a technical report

Subjects (theoretical and practical):• The principals of assembly drawing by using fits and tolerance. • Construction methods of coupling. • Construction of keys, splints, threads and nuts. • Determining surface quality of machined surfaces.


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References:

- James H, "Drafting, technology, Earle Addison-Wesley Publications co.

- M.A. Parker & L.J. Dennis, "Engineering drawing Fundamentals', Stanley Theories.

- Warren J. Luzadder, ,, Fundamentals of Engineering Drawing', Prentice-

Hall, 1986, Ninth Edition.


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Detailed Practical Course

Hours Content Skill Objectives Related tasks

8

Assembling parts- Importance of assembling in

engineering drawing- Methods of determining surface

quality of machined surfaces- Determining roughness of

machined surfaces- Applications of assembling

engineering drawing

The student should be able to:- Know the importance of

assembling in engineering drawing - Know methods of determining

surface quality of machined surfaces

- Determine roughness of machined surfaces

- Apply assembling engineering drawing

12

Fits and tolerance- Factors affecting fits and tolerance

- Parts standard dimensions- Obtaining fits and tolerance values- Inserting fits and tolerance into the

assembly drawing

- Understand factors affecting fits and tolerance

- Read parts standard dimensions - Obtain fits and tolerance values - Insert fits and tolerance into the

assembly drawing

12

Threads, bolts and springs- Types of springs and threads- Finding the specifications of

springs, threads and bolts- Methods of choosing and using

design tables

- Draw types of springs and threads - Find the properties of springs,

threads and bolts - Know methods of choosing and

using design tables

12

Bearings, gears and cams- Bearing types

- Gears types- Cam types

- Methods of selecting bearing

- Draw types of bearings - Draw types of gears

- Draw types cams - Know methods of selecting bearing

12

Connections, bolts and keys- Types of sealants

- Types of keys and splints- Choosing locking devices

- Methods of locking coupling

- Know types of sealants - Differentiate between types of keys

and splints - Choose locking devices

- Know methods of locking coupling


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Pneumatic and

Hydraulic Systems Major Mechanical Technology Department

112 MEC Code Preparatory W/S Course Title

Prerequisites

4 3 2 1 Semester

2 Credit Hours (Hour/week)

0 L

4 W

0 T

Contact Hours

(Hour/week)

Course Description:

This course provides the student with the basic hands-on experience in the field of mechanical technology, such as carrying out various dimension measurements and laying them on the work piece. It also familiarizes the student with the manual and machine cutting operations.

General Goal:

The student should acquire the principle skills to achieve some metallic machining processes in the filed of measuring the dimensions and the process of manual cutting and perform theses operation by himself and acquire the practical experience to produce some mechanical parts using the convectional manual tools (file - saw – Chisel- shaper). These principles are the bases to study the different production processes. It is preferable to direct this experience toward the processes that serves the production of spare parts in the hydraulic systems. Also, the student should recognize to the principles of achieving the metallic machining and acquire the experience to use equipment. Behavioral Objectives:

The student should be able to:

1. Perform the production of mechanical parts using the conventional manual tools. 2. Know of the principles of the forming and machining processes for metals using the

convectional manual tools. 3. Know of the different convectional methods that used in forming and machining

using the conventional manual tools.


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Topics Practice:

• Dimension measurements • Bench Marking of work pieces • Manual cutting with Chisels • Hand-sawing • Filing. • Drilling and hole finishing • Thread Cutting • Metal cutting with machines (preparatory practice)

• Technology of Machine Tools, Steve F. Krar & J. William Oswald, McGraw-Hill Publishing Company, forth Edition, 1991.

• Machine Tool Practices , Jon E. Neely & Roland O. Meyer &

Warren T. White, John Wiley & Sons Inc, 2nd Edition 1982.

• Basic machine Shop Practice, V.K. Taiwan, Tate McGraw-Hill Publishing Company Limited, 1982.

References:


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Detailed Curriculum (Practice) Related Tasks Behavioral Objectives Contents Hrs

A1,A2,A3, A4,A6, A7,D4, D5,D6

The student should be able to: • Read the dimensions from the

technical drawings • Carry out dimension

measurements using venire caliper and height gauge

1- Dimension Measurements: • Dimensions reading from the

technical drawings • Using simple dimension measurement

devices

4

A1,A2,A3, A4,A6, A7,D4, D5,D6

The student should be able to: • Use marking tools ( steel rule,

marking gauge, marking tool, compass, marking punch)

• Use reference surfaces (V-block)

2- Bench Marking (Marking) work

piece ( laying of dimensions onto work piece) • Bench marking tools • Reference surfaces (V-block)

4

A1,A2,A3, A4,A6, A7,D4, D5,D6

The student should be able to: • Use the chisel to cut holes,

merge holes, and for shearing

3- Manual Cutting with Chisels

(principle of cutting process) 2

A1,A2,A3, A4,A6, A7,D4, D5,D6

The student should be able to: • Use the hand-saw in

separation process

4- Manual Sawing • Separation with the hand-saw

2

A1,A2,A3, A4,A6, A7,D4, D5,D6

The student should be able to: • Recognize the parts and

classes of files • Use the vice to clamp work

pieces • Execute surfacing process • Adjust the perpendicular

surfaces • Conduct surface finish by

filing

5- Filing • Different parts and classifications of

files • Using the vice • Surfacing • Perpendicular surfaces • Surface finish

12


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A1,A2, A3,A4, A6,A7, D4, A5, D6

The student should be able to: • Use various types of drills • Mount the work piece and drill. • Execute chamfering process • Execute reaming process

6- Drilling and hole finishing • Twist drills • Mounting • Chamfering • Reaming

4

A1,A2, A3,A4, A6,A7, D4,A5, D6

The student should be able to: • Execute external threads

manually using threading dies • Execute internal threads manually

using threading taps

7- Cutting Threads Manually • External threads • Internal threads 4

A1,A2, A3,A4, A6,A7, D4,A5, D6

The student should be able to: • Recognize different parts of lathes

and milling machines and their operation procedures

• Apply industrial safety precautions when using lathes and milling machines

• Mount work pieces on lathes and milling machines

• Mount cutting tools on lathes and milling machines

• Turn and control the movements of work pieces

• Mill and control the movements of work pieces

• Recognize the importance of periodic maintenance of the turning and milling machines as well as perform maintenance processes

8- Machining with Cutting

Machines (Preparatory practice)

• Turning and milling machines • Industrial safety • Mounting work pieces • Mounting cutting tools • Turning and controlling the

movements of work pieces • Milling and controlling the

movements of work pieces • Periodic maintenance

24


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Pneumatic and


SYS 113 Code Basics of Fluid Power Course Title

Prerequisites

4 3 2 1 Semester


2 L

2 W

T

Contact Hours

(Hour/week)

Course Description:

This course includes the study of Pascal's law,

Bernoulli principle, and force and pressure transmission in hydraulic systems and determining the type of flow with solving some exercises. Also, the course includes the principle properties of compressed air and dealing with the unit used and an introduction about the special devices that convert the energy and the devices used in energy control. General Goal:

The general goal is the study of physical properties to the pneumatic and hydraulic system and studying the basic laws of hydraulic systems. Behavioral Objectives:


• Know the physical properties to the hydraulic systems and basic laws of hydrostatics and hydrodynamics.

• Know the properties of the hydraulic oils and determining their specifications. • Performing the calculation of the pressure loss in the pipes. • Know the theory of operation and the structure and know the symbols of pumps,

cylinders, hydraulic motors and the directional control valves and the control valves of pressure and flow rate.

• Know of the basic properties of the compressed air as medium used in energy transmission for the purposes of control and the other necessary specific properties of the compressed air.

• Know the principles that should awarded in preparing the compressed air, the devices that are used in pneumatic energy conversion also the control devices in the pneumatic energy.


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Theoretical and Practical Topics:- • Definitions: hydraulics – hydrostatics – hydrodynamics • Hydrostatics: • Pressure – force transmission in hydraulic systems – Pascal's law. • Fluid flow kinematics: • Flow types – continuity equation – Bernoulli equation. • Pressure drop: • Oils properties and types: • Viscosity - properties – classifications – testing. • Symbols of hydraulic components: • Energy conversion devices (pumps – hydraulic drive station). • Cylinders – and hydraulic motors. • The physical properties of the compressed air. • The method of preparing the compressed air. • Symbols of hydraulic and pneumatic components.

• Fluid mechanics and its applications – Robert Dogerty – Mc-Graw-Hill

company. • The first training book – Manzman and Roxroth.

References:


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Detailed Curriculum (Theory)

Related Tasks Behavioral Objectives Contents Hrs

B13 B14

The student should be able to: • Know an introduction about the

fluid mechanics- fluid statics (hydrostatics)- fluid dynamics (hydrodynamics).

• Illustrate of the definition of the hydraulics and hydraulic systems – the fields of the using the hydraulic systems.

• Know of the physical quantities and special units in hydraulics.

• Know the matter states (solid-liquid-gas) – specific gravity – density and its relationship to the temperature –specific weight – specific volume – compressible and incompressible fluids – ideal fluid- viscosity – viscosity coefficient – absolute viscosity and kinematics viscosity and their units).

Definitions:(hydraulics –hydrostatics –hydrodynamics) • Special units in hydraulics. • Hydrostatics. • Hydrodynamics. • Fluids. • Viscosity.

2


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B4 B9 H3 H4

The student should be able to: • Define pressure – absolute

pressure – gauge pressure – atmospheric pressure – the international and practical units of pressure.

• Express the pressure resulted from the external forces (Pascal's law).

• Understand how the pressure can be increased in the hydraulic systems.

• Describe of forces transmission in the hydraulic system- hydraulic pistons – pressure converter.

• Express the pressure in terms of the fluid height.

• Solve problems about: pressure calculations and force and pressure transmissions in hydraulic systems.

Hydrostatics – pressure • Pressure definition • Pascal's law. • Force transmission in

hydraulic system. • Exercises.

4


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B2 B3 B5 C7

The student should be able to: • Describe the types of flow:

laminar and turbulent and know the factors affecting the flow type – calculation of Reynolds number in circular pipes – solving exercises to determine the type of flow – continuity equation and solving its application problems .

• Understand the kinetic energy to the flowing fluid and how to calculate it – calculation of potential and pressure energy.

• Deduce the energy equation for the steady incompressible fluid flow (Bernoulli principle) – solving applied problems on calculating the flow rate, force, piston speed and the time taken in advance and return strokes of the piston – determining the relation between the flow rate, and the cross section area and pressure drop – determine the work and power in the hydraulic systems – Calculations of designing a simple hydraulic circuit used for rising a certain weight through a certain distance by a certain speed including the power and capacity of the pump and the tank size – the types of valves.

Fluid kinematics –Fluid flow: • Flow types. • Reynolds number. • Continuity equation. • Equation of motion. • Bernoulli principle

4

B5 H3 H4

The student should be able to: • Calculate of pressure drop in

simple pipes for the compressible (gases – vapors) and incompressible fluids (liquids).

• Calculate of pressure loss and flow rate in pipes – calculations of pressure loss using the relation between the flow velocities, type of flow according to the approximate formulae.

• Determine the pressure loss using charts.

Pressure Drop: • Calculations of pressure loss

in pipes. • Calculation of loss and flow in

pipes.

4


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D9 B13 B14

The student should be able to: • Know of the functions of the

hydraulic oils and the quality requirements for the hydraulic oil.

• Know the characteristics of hydraulic oil and the viscosity effect on the leakage and friction – describing the viscosity expression – know the different expressions of the viscosity – absolute and kinematics viscosity and international and practical units of viscosity – knowledge the method of measuring viscosity – knowledge the concept of viscosity index – understanding the effect of temperature and pressure on the viscosity – knowledge the type of hydraulic oils – suitable hydraulic oil selection after evaluating its different properties (viscosity- incompressibility-foam damping – ability to separate water and air release- oxidizing resistance – durability - freezing point – flash point – boiling point – suitability with the hoses.

• Know the incombustible hydraulic liquids and their different groups.

• Know of maintenance instructions, storage and resistance of hydraulic oils – analysis and explaining the meaning of valves symbols, cylinders, and different accessories according the standards 1219 DIN/ISO.

Types and Properties of Hydraulic Oils: • Functions of the hydraulic

oils. • Hydraulic oils characteristics. • Different expression of

viscosity. • Symbols of hydraulic

elements.

3


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J9 J10

The student should be able to: • Know the physical quantities and

the special units of the compressed air – volume and pressure laws- atmospheric pressure and its measuring units – absolute pressure – gauge pressure – the physical properties and air laws – the relation between the pressure – volume – and temperature in gases – solving some of applied exercises on the previous laws and the conversion to the international units SI.

Physical Properties of Air: • Special unit for the

compressed air. • Volume and pressure laws. • Air laws. • Relation between the pressure-

volume – temperature in gases.

• Solving a number of applied exercises.

2

J1 J2 J3 J5 J9 J10

The student should be able to: • Know the concepts of absolute

humidity – maximum – relative humidity – degree of saturation – determining the air humidity in terms of temperature- solving exercises to calculate the condensed water – types of flows : laminar and turbulent – the mutual effect between the flow rate and pressure – advantages of using air as a working fluid – describing the methods of air drying – knowledge of installing compressed air tanks and water traps and air pipes – the principles required in the installation process.

• Use charts to calculate the pipe diameter – knowledge of using the charts in calculating the equivalent length for the flow resistance through valves and fittings and how to modify the pipes calculations – using charts to determine the flow rate – knowledge of the pressure filter performance – water separator – and oiling device and their symbols.

Preparation of the Compressed Air: • Humidity concept. • Using the compressed air as a

working medium.

4


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Detailed Curriculum (Practice)


B13 B14

The student should be able to: • Know the viscosity of the types

of liquids.

Viscosity Measurements: 4

B3 B9 H3 H4

The student should be able to: • Apply the laws of hydrostatics.

Measuring the hydraulic pressure through the height of the measured liquid: 4

B2 B3 B5 C7

The student should be able to: • Describe the flow types: laminar

and turbulent and knowledge the factors on the types of flow – calculating the Reynolds number in circular ducts.

Reynolds process

8

B5 H3 H4

The student should be able to: • Measure the pressure loss for

compressible and incompressible fluids.

• Measure the flow losses. • Measure the pressure and flow

rate losses in pipes.

Measuring the pressure loss and flow rate in the pipes

14


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Pneumatic and


124 SYS Code Hydraulic & Pneumatic Components Course Title

111 SYS Prerequisites

4 3 2 1 Semester


1 L

2 W

T

Contact Hours

(Hour/week)

Course Description:

This course provides the student with the basic knowledge concerned with the function, processes, and applications of the hydraulic and pneumatic components.

General Goal:

The student should recognize to the important hydraulic and pneumatic components and their functions in the simple systems. Also, he should know the devices used in generating the hydraulic and pneumatic power and how to transmit and control energy. Behavioral Objectives:

The student should be able to know the theory of operation, structure and the symbols of the

following :

1. Elements of energy conversion in hydraulic systems (Pumps). 2. Elements energy conversion in pneumatic systems (Compressors). 3. Hydraulic and pneumatic actuators. 4. Hydraulic and pneumatic control elements (valves).

Theoretical and Practical Topics:-

• Hydraulic power supply units. • Pneumatic power supply units. • Hydraulic and pneumatic actuators. • Control elements in hydraulic and pneumatic power.

• References:


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Detailed Curriculum (Theory) Related Tasks Behavioral Objectives Contents Hrs

D9 B13

The student should be able to: • Know the function of the oil

filter and air ejector and advantages and disadvantages of installing the pressure filters in suction lines or return to the main line or the branch in the units of hydraulic ---.

• Represent and explain the filter symbols.

• Name the methods of avoiding the noise in the hydraulic systems.

• Know the schematic diagram of to the unit's central circuit for oil supply.

1- Hydraulic Power Supply Units: • The function of oil filter. • Representation and symbol of filters. • Adjust the flow rate and pressure in

the unit.

2

D1 D2 D3

The student should be able to: • Know the structure and the

components of the positive displacement pumps (gear-vane-piston).

• Analyze the flow behavior using the characteristics curves of pumps.

2- Hydraulic power Conversion:

Pumps • Energy conversion principles.

• Types of pumps and their applications. • Components of pumps. • Pump flow behavior.

2

J9 J10

The student should be able to: • Know the structure and the

components of the compressors – Name the different types of compressors and the fields of their use.

• Know the theory of operation and performance of single and double stage reciprocating compressor.

• Know the theory of operation and performance of rotary – screw – axial and centrifugal compressors.

• Know the symbols of compressors.

3- Hydraulic power Conversion:

Pumps • Types of compressors and their

applications. • Components of compressors.

• Theory of operation and performance of compressors.

2


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F1 F2 F3 F4

The student should be able to: • Name the structure and the

methods of installing and assembling and operating the hydraulic cylinders.

• Draw the symbols of the different types of hydraulic cylinders and actuators.

• Understand the method of damping the motion (speed) at the end of the hydraulic cylinder.

• Explain the method of operation of the hydraulic motor.

4- Hydraulic & Pneumatic Actuators • Types of hydraulic and pneumatic

cylinders and actuators and the methods of fitting.

• Knowledge of damping the motion in the cylinders.

• Method of operation of the hydraulic motor.

2

E1 E2 E3 E4 E5

The student should be able to: • Explain the different

engineering designs for hydraulic and pneumatic valves and describe the methods of operation.

• Judge the different principle structure for the different closing valves and explain the method of performance.

• Draw and explain the symbols for the following valves:

• Direction and indirect operation for the directional valves.

• Pilot directional valves. • Non-return valves.

• Know the symbols, structure and the method of operation and uses the limit pressure valves – pressure regulating valves – pressure sequential valves – time delay valves.

5- Control Elements in the Hydraulic

Power • Different engineering designs for the

different types of valves. • Methods of valves performance. • Methods of operating the valves. • Study the flow resistance and

hydraulic pipes.

5


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D1 D2 A1 D3 D9 A2 A3 A4 A6 A8

The student should be able to: • Calculate the pump efficiency. • Calculate the flow rate the

hydraulic power as well as the moment of the hydraulic motor.

• Analyze the flow behavior for the pump using the characteristics curves of pumps.

• Calculate the pump efficiency. • Calculate the flow rate the

hydraulic power as well as the moment of the hydraulic motor.

• Draw the characteristic curves for a number of pumps.

• Select the cylinders and their dimensions from the given data sheets of the different manufacturer companies (using the hydraulic tables).

• Calculate the generated forces, velocity, and time during the advance and return strokes of the cylinder.

Performing experiments related to the hydraulic and pneumatic elements Performing the related calculations and drawings

30


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Pneumatic and Hydraulic Systems Major Mechanical Technology Department

215 SYS Code Hydraulic & Pneumatic Systems Course Title


4 3 2 1 Semester


1 L

4 W

T

Contact Hours

(Hour/week)

Course Description:

In this course, the student studies the structure and principle of the performance analysis to all hydraulic and pneumatic components and also, performing the design, constructing the principle circuit in the lab. Using the components used in the industrial applications.

General Goal:

The student is given an introduction of hydraulics and pneumatics. He will recognize to the important hydraulic and pneumatic components and their functions in the simple systems. Also, he will know the hydraulic power generating devices and how to transmit and control it and also he will be able to draw and construct the hydraulic and pneumatic circuits to perform certain functions. Behavioral Objectives:


1. Understand the basic hydraulic and pneumatic circuit. 2. Perform direct and indirect control in single and double acting cylinders. 3. Converting the energy in the hydraulic systems (pumps). 4. Hydraulic actuators. 5. Construct the applied hydraulic and pneumatic circuits. 6. Draw the sequence of processes on the motion diagram.


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• Working principles of hydraulic and pneumatic systems, their components, know the symbols of each component.

• Direct and indirect control in single and double acting cylinders. • Construction of hydraulic and pneumatic circuits. • Electro-pneumatic and electro-hydraulic control. • The pumps components, types and flow behavior.

• References:


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The student should be able to: • Analyze and explain the

meanings of the symbols of the valves, cylinders, motors, filters and other components.

1-Symbols and Components of Hydraulic Circuits:

• Analysis and symbols of hydraulic circuit's components (valves, cylinders, filters,).

2

B1 B12 C

The student should be able to: • Understand the functional

performance of the hydraulic circuits.

• Know the symbols of the hydraulic circuit components.

• Design and construct and implement the circuits.

2- Hydraulic Circuits: • Design and constructing and carrying

out basic circuits. • Understand the functional

performance of the hydraulic circuits.

4

J1 J2 J10

The student should be able to draw, understand and construct the following basic circuits: 1. Control in single acting

cylinder Regulate the speed in

single acting cylinder. Control using shuttle valve. Control using two

pressures valve. 2. Control in double acting

cylinder Speed control. Increasing the return stroke

speed in single and double acting cylinders using quick relief (exhaust) valve.

3. Indirect control in single and double acting cylinders.

4. Automatic return to the double acting cylinder using limit valves (switches).

5. Control depending on pressure or without ensuring the final position.

6. Control depending on time or without ensuring the final position.

3- Basic Pneumatic Circuits:

4


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The student should be able to understand: • The methods of numbering

and symboling of elements in the circuit diagram according to the standards.

• Writing the sequence of processes using one the following methods:

1- Listing with time order. 2- Listing a tabulated form. 3- Direction diagram. 4- Sequence chart. 5- Functional performance

chart. Draw the sequence of functions using the following method:- 1- Motion diagram. 2- Displacement-step diagram. 3- Displacement-time diagram. 4- Control diagram.

6- Representing the Circuits

Diagrams:

2


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C D E F G

The student should be able to know:- • Determination of flow rate in all

different types of pipes at fixed total flow rate.

• Methods of control in oil motion using different directional valves.

• Speed control using flow control valves (adjustable throttle valves).

• Flow and branching. • Slow feed. • Feed control. • Measure the pressure drop using

different pipes lengths and different valves.

1-Design and Execution of Different Hydraulic Circuits

22

J1 J10

The student should be able to circuits diagrams and sequence of functions and construction pneumatic circuit from the following applications:- • Bending and holing fixture. • Manual shaper. • Riveter unit. • Semi-automatic lathe. • Printer fixture. • Rotating bearings assembly

fixture. • Drilling fixture. • Milling fixture. • Automatic saw. • Riveter fixture. • Rotating fixing machine. • Packing fixture.

2-Construction of Applied Pneumatic Circuits

28


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Pneumatic and


122 MEC Code Machining Technology Course Title

Preparatory W/S 112 MEC Prerequisites

4 3 2 1 Semester


1 L

6 W

0 T

Contact Hours

(Hour/week)

Course Description:

This course gives the knowledge and training of the basic skills of the machining and forming technology as well as metal welding. Also, it concentrates on the products depending on the machining and cutting technology and forming technology without cutting and the method of welding.

General Goal:

The course is intended to acquire the student with the theoretical principles of machining technology for the machine tools and its various equipments and work by him and obtain the practical experience for production of mechanical parts on conventional cutting machines and manual tools. It is preferable to make this experience and skills serve the cutting process and maintenance of hydraulic system components. Also, the student should know the various metal forming processes and the used machines in this field and acquire the experience for operating these machines and the used equipments. Finally the student should study theoretically and practice the various conventional methods that used in welding including gas welding, electric arc welding, soldering, and gas cutting. Also, he should know the modern welding methods such as MAG, TIG and use them in pipes and tubes welding.

Behavioral Objectives:


1- Perform the production process of mechanical parts using the conventional cutting methods.

2- Know the principles of different metal forming processes and the used machines.

3- Know the various conventional methods that used in welding and the modern welding

systems.


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Theoretical and Practical Topics:- Machining technology principles:

Conventional cutting machines - types – main parts – method of operation. Turning – Drilling – Shaping – Milling - Grinding

Forming technology principles: Casting – Forging – Extrusion – Drawing – Deep Drawing – Pressing and Bending.

Conventional and modern welding methods: Gas welding – electric arc welding – soldering – gas cutting – TIG & MAG

References:


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A1-A2-A3-A4-A6-A7

The student should be able to: • Know the meanings of jigs and

fixtures. • Know their importance in mass

production. • Analysis of joining forces and the

degrees of freedom on the work piece.

1- Production Aides (Jigs and Fixtures):

1

A1-A2-A3-A4-A6-A7


• Understand the different methods to make sloped (tapered) work pieces on the lathe.

• Know how to modify the inclination angle.

• Solve problem in cutting (turning) different work pieces.

2- Method of Turning Taper (Slopes) : • Different methods for making

tapered (sloped) work pieces on center lathe after preparing the machine and calculating the required inclination (tilt) angle in each method using;

- Displacement of the tool head. - Use the slope accessories

(prepare the slope by the guiding ruler).

- Shifting the ---- - Solve problems for sloped work

piece achieved by different method.

2

A1-A2-A3-A4-A6-A7

The student should be able to: • Know the types of cutting forces. • Draw force polygon. • Get the resultant forces.

3- Cutting forces: • Types of Cutting forces. • Force polygon. • Compare the different cutting

forces with the resultant cutting force in a theoretical example.

1

A1-A2-A3-A4-A6-A7

The student should be able to: • Know the elements and specifications

to make external and internal threads • Know the different types of thread

and screw tooth. • Understand how to use threads and

screws tables and charts.

4- Types of Threading: • Elements and specifications to

make external and internal threads

• Differentiate between the different systems of threading.

• Use threads and screws tables and charts.

1


- 32 -

A1-A2-A3-A4-A6-A7

The student should be able to:- • Know the types and names of

cutting machines. • Know the method of operation for

each of the cutting machines. • Know the main parts of the cutting

machines. • Know the different cutting tools for

the lathe. • Know the cutting angles for the

cutting tool. • Know the motion between the work

piece and cutting tools of the lathe, shaping machine and milling machine.

• Know the different methods of milling to produce surfaces and different shapes.

• Perform direct and indirect dividing through the dividing head using simple and compound dividing.

• Solve problems.

5- Cutting and Chips Removal Using (Lathe-Mill –Drill – Grinder)

2


- 33 -

A1-A2-A3-A4-A6-A7

The student should be able to:- • Use the saw teeth curve –

logarithmic curve for the machine. • Calculate the cutting speed

(m/min.) and the feed for each revolution and each minute.

• Calculate the cutting depth. • Calculate the number of strokes per

minute. • Calculate the cutting time per

stroke. • Calculate the twisting moment

required to operate a drill by: • T = C*F0.75*D1.8 • Calculate the cutting force for the

cutting tool of the lathe using: • F – K *d*f • Calculate the power required for

milling machine after knowing the removed metal.

• Calculate the life time of the tool from the following empirical equation: C = Tn*v

• Calculate the suitable field and range of drill speed having 6 speeds and suitable range for the lathe of 8 speeds.

• Know the types and names of cutting machines.

6-Calculation of Speed –Feed – Life time of cutting tool- Cutting angles – Power –Machining Time

2

A1-A2-A3-A4-A6-A7 D4-D5 D6-F2

The student should be able to:- • Know the basics of fit and

tolerances. • Know the different type of fit and

tolerance. • Know the symbols of surface finish. • Solve some applied problems of fit

and tolerance on base whole and base shaft systems.

7- Limits, Clearance, Tolerance and Surface Finish Symbols

1

A1-A2-A3-A4-A6-A7 D4-D5 D6-F2

The student should be able to:- • Know an introduction about the

extrusion. • Know direct extrusion methods. • Know the indirect extrusion

methods. • Know the hydrostatic extrusion.

8- Extrusion

2


- 34 -

• Know extrusion of tubes. • Know the suitable alloy of

extrusion • Know the suitable alloy of

extrusion • Know forged and impact extrusion

A1-A2-A3-A4-A6-A7 D4-D5 D6-F2

The student should be able to:- • Know pipe drawing. • Manual drawing before forming. • Drawing using fixed forming dies. • Drawing using manual drawing

dies.

9-Deep Drawing

1

A1-A2-A3-A4-A6-A7 D4-D5 D6-F2

The student should be able to:- • Know soldering and brazing and

describe the welding procedure and differentiate between them.

• Know the electric arc welding and the method of control and connection in the electric equipment.

• Know the gas welding and describe the flame types and safety rules in gas welding process and comparing between left and right welding.

• Know the welding symbols and differentiate between e\welded joints and how to read them in engineering drawings.

• Know the welding using the protective gas and determine the difference between the MIG and TIG methods and the used equipments and the method of operation.

10-Welding

5


- 35 -


A1-A2-A3-A4-A6-A7 D4-D5 D6-F2

The student should be able to: • Identify the different parts of

the lathes and the method of operation.

• Ability to operate the lathe. • Fix the work piece, cutting tool,

3 jaws chuck, 4 jaws chuck, the plate, moving center, fixed center and the saddle.

• Select the vertical cutting tools with the suitable height to the center line of rotation of the work piece “Lathe centerline”

• Select the suitable cutting speed by adjusting the rotational speed according to the work piece diameter.

• Select the suitable cutting depth and the saddle feed speed for rough and smooth turning processes.

Perform some suitable exercises. • Make face turning and adjust

centers. • Turn the work piece with

different diameters and lengths. • Use manual feed of the saddle. • Create some recesses in work

piece and finally cut in completely.

• Make taper turning (slope) using saddle tilt.

• Perform turning process using automatic feed instead of manual feed.

• Perform external and internal threading.

• Apply safety and security procedures during the operation of different lathes (turning machines).

1-Turning

24


- 36 -

The student should be able to: • Perform the machining and the

necessary motions manually before the use of mechanical feed.

• Fix the vice on the plate of the milling machine and adjust its position using the measuring indicators.

• Use the suitable means of fixing the work piece.

• Fix the cylindrical milling cutter on the edge of the machine and ensure complete cleanliness of the used rings at the edge to determine the cutter position.

• Select the suitable milling cutter for each process taking into account the spot facing is preferable than the rolling process.

• Select the suitable cutting speed and hence:

- Calculate the rotation speed and select the nearest speed from tables.

- Determine the feeding rate according the type of milling process and the material of the cutter also, the surface quality using available tables.

• Select the cutting depth taking into account the stability of the machine, work piece and the milling cutter.

• Mill the work piece with tolerance of ±0.1 mm note the measuring process is not carry out during the operation of the m/c.

• Mill flat surfaces and recesses (grooves) and flat surfaces at different heights.

• Use suitable cooling and oiling media.

2- Milling

18


- 37 -



The student should be able to: • Execute an exercise on the

grinding machine to identify the characteristics of both flat and cylindrical surface grinding.

3- Flat & Cylindrical Surface Grinding 8

The student should be able to: • Apply the safety and security

rules during the welding process.

• Adjust the required pressures for oxygen and acetylene.

• Open the valves in the right order to get

- Flame with excess oxygen. - Flame with excess acetylene. - Neutral flame. • Perform line welding process

for a sheet of 2-3 mm thickness. • Perform a corner welding to a

plate of 2 mm thickness using left welding in horizontal position.

• Make a face welded joint for a plate of 2 mm thickness using :- • Flame with excess oxygen. • Flame with excess

acetylene. • Neutral flame.

• Use the bending test to known the strength of the welded joint.

• Know the defects of welding

4- Gas Welding

12

A1-A2-A3-A4-A6-A7 D4-D5 D6-F2

The student should be able to: • Make a joint between the steel

pipe and steel sheets and using the brazing process in steel pipes.

5- Brazing And Soldering

4


- 38 -

The student should be able to: • Perform a cutting process using

oxygen in metallic sheets having thickness ranges from 8 to 12 mm.

6- Gas Cutting

4

A1-A2-A3-A4-A6-A7 D4-D5 D6-F2

The student should be able to: • Apply the safety and security

instruction when performing welding process.

• Adjust the current according to the diameter, welding alloy, the sheet thickness.

• Execute the following exercises - Striking the arc - Flat position feeding lines - Plane internal angle - Overlap joint.

7- Electric Arc Welding

12

The student should be able to: • Execute the steel welding using

MAG exercise • Apply relevant safety

precautions

8- MAG welding • Steel welding using MAG

exercise

4

The student should be able to: • Execute the following exercises

- Aluminum fusion welding lines

- Feeding line welding • Apply relevant safety

precautions

2- TIG welding • Aluminum fusion welding lines

exercise • Feeding line welding exercise

4


- 39 -


123 SYS Code Fundamentals of Automatic Control Course Title

Prerequisites

4 3 2 1 Semester


1 L

2 W

T

Contact Hours

(Hour/week)

Course Description:

This course deals with the automatic control concept and its importance in industry and its advantage compared with the manual control, the measuring devices used in the control systems, its parts and the concept of operation as well as the recognition of the different types of controllers and their importance in the control processes and the method of their operations and advantages, then selecting the components and different elements suitable for constructing different types of control systems according to the required aim to be verified.

General Goal:

The course aims to introduce the principles of automatic control and its importance in industry and technical principles for the automatic control systems as well as the components and necessary elements required in the automatic control. Also, the course concentrates especially on the measuring devices of different physical quantities to be controlled. Then the course illustrates to the student the method of working of the controllers to improve the performance of the automatic control systems. Behavioral Objectives:


1. Distinguish between the automatic and manual control and know the advantages and disadvantages of each type.

2. Know the different components that should be installed in the automatic control systems.

3. Explain the design and method of operation of used measuring devices used in measuring the physical quantities to be controlled.

4. know the operation and drive devices 5. Explain and analyze the different types of controllers used in the automatic control

systems. 6. Carry out the necessary connection required to control in simple industrial systems.


- 40 -


• Introduction to the automatic control science and its development. • Technical terms and basic concepts to the automatic control science. • Measurement process and the terms concerned to it and the measurements concerned with the

physical variables to be controlled. • Running and working devices. • Different controller types. • Industrial applications. .

• References:


- 41 -


The student should be able to: • Know the advantages of

automatic control. • Know the importance of

automatic control in industry.

1-Introduction to Automatic Control and Automation:

• Difference between the manual and

automatic control. • Development of automatic control

science.

1

C2 C3 C4 C5

The student should be able to: • Explain the used concepts in

the automatic control systems.

2- Basic Concepts and Technical Terms:

• Input and output signals. • Sensing elements. • Transmitters. • Comparative elements.

2

B4 C2 B13 C4 C5 B12 D9

The student should be able to: • Explain the principles of

operation of the different types of measuring devices to measure:-

1. Temperature using (RTD –thermistor – Thermocouples).

2. Liquid level in tank. 3. Flow rate measuring device

(vane types). 4. Pressure.

3- Measurements: • Measurements and calibration

concept. • Accuracy of measuring process. • Reliability. • Types of signals (digital-analog) • Measuring devices of the physical

quantities to be controlled: temperature – liquid level in tank – flow rate – pressure.

4

E1 E2 E5 F1 F2 F3

The student should be able to: • Explain the functions and

installing the different working elements.

4- Drive Devices • Pneumatic and hydraulic actuators

(motors and cylinders). • Servomotors.

2

E1 E2 E3 E4 E5

The student should be able to: • Explain the principles of

working of different types of controllers and the advantage of each type

• Know the suitable applications for each type of controllers.

5- Controllers • The function of the controller in

automatic control systems. • Types of controllers and the relation

between input and output signals to: Two positions controller, proportional controllers, integral controller, proportion-integral controller, proportion-integral-differential controller.

3


- 42 -

D9 C5

The student should be able to:- Explain how to use controllers in industrial applications such as (liquid level – temperature) to improve the performance of theses processes.

6- Applications:

• Using the controllers in; - Controlling the liquid level in tank. - Temperature of thermal element.

2


- 43 -



C4 C5 D9 B12

The student should be able to: • Carry out the required

connections to perform the different measuring processes (temperature-flow rate-pressure-liquid levels).

• Perform the calibration process for different measuring devices and determine the error percentage.

Measurements:- - Temperature using

(Resistance Temperature Detector) RTD.

- Temperature using thermistor. - Temperature using

thermocouple. - Flow rate measurement. - Pressure measurement. - Liquid level in tank

measurement.

12

The student should be able to: • Perform the required connections

to study the controller characteristics.

• Drawing the characteristic curve of the controller.

Controllers:- - Two-position controller. - Proportional controller (P). - Integral controller (I). - Proportional-Integral

Controller (PI) - Proportional-Integral-

Differential Controller (PID)

10

B12 C5

The student should be able to: • Perform the necessary

connections between the different components to control in the liquid level and temperature using controller.

Industrial Applications:- - Using proportional controller,

proportional-integral controller, proportional-integral-differential controller in:

Tank liquid level control. Temperature of thermal element.

6


- 44 -

Pneumatic and


211 SYS Code Electric-hydraulic Course Title


4 3 2 1 Semester


1 L

2 W

- T

Contact Hours

(Hour/week)

Course Description:

This course provides the student the knowledge of the electric components that used in the control circuits of the hydraulic power and carry out the construction of some electro-hydraulic circuits that are used in certain applications.

General Goal:

The course aims to introduce the principles of automatic control and its importance in industry and technical principles for the automatic control systems as well as the components and necessary elements required in the automatic control. Also, the course concentrates especially on the measuring devices of different physical quantities to be controlled. Then the course illustrates to the student the method of working of the controllers to improve the performance of the automatic control systems. Behavioral Objectives:


1. Know the electro-hydraulic control levels that used in the hydraulic power control. 2. Know the electric elements that are used in electric power control. 3. Operate and apply the electric and hydraulic components. 4. Presenting sequence and opening conditions. 5. Design and constructing and exercising on the electro-hydraulic control units.


• Electro-hydraulic control levels. • Electric and hydraulic components. • Operating and applying the electric and hydraulic components. • Presenting the sequence and opening conditions. • Design and constructing and exercising on the electro-hydraulic control units.

References:


- 45 -


I1 E1

The student should be able to:- • Know the function and the

properties of the solenoid valves.

• Differentiate between the different controls valves (electric-proportional-servo).

1-Electro-hydraulic Control Levels

1

I1 E1

The student should: • Study the electric components,

such as:- Relays – switches – solenoid valves • Know the symbols for the

electric and electro-hydraulic components.

• Connect the electric control circuit according to the circuit diagram.

• Know how the solenoid valve works.

2- Electric Elements Used in Hydraulic Circuit

3

I2 I3

The student should be able to: • Understand the simple electric

circuits for operating the double acting cylinders.

• Construct hydraulic circuit and electric circuit and connect them and operate them through push bottom switch.

3-Operating and Applying the Electric and Hydraulic Components

2

I2 I5

The student should be able to: • design a number of electro-

hydraulic circuits for different displacements to perform speed control

1. Suggest a circuit for double acting cylinder operates by bush bottom switch and control the flow rate.

2. Suggest a circuit for double acting cylinder operates by bush bottom switch and automatic return.

4- Presenting the Sequence and Opening Conditions

2


- 46 -

I6

The student should be able to: • Draw the velocity diagram. • Draw the hydraulic and the

corresponding electric circuit. • Draw the state diagram and

motion diagram. Advance the cylinder arm and automatic return

-Suggest the circuit and carry out the experiment.

Reverse Feed to Discharge Slider:


Opening and Closing the Tool Holder:


5- Design and Construct and Exercise the Electro-hydraulic Control Units

3

G6 G7

The student should be able to:- • Suggest the circuit and carry

out the experiment.

6- Applications: Open and close a door 1

I6 I7

The student should be able to:- Suggest the circuit and carry out the experiment.

Move the components with holders 1

I4 I5 I6

The student should be able to:- Suggest the circuit and carry out the experiment.

Stopping and Fixing Cylinders in Intermediate Positions 1


- 47 -


I1 E1

The student should be able to: • Understand the simple electric

circuits for operating the double acting cylinders.

• Construct hydraulic circuit and electric circuit and connect them and operate them through push bottom switch.

•

]1-Operating and Applying the Electro-hydraulic Components

4

I1 E1

The student should be able to: • Design a number of electro-

hydraulic circuits for different displacements to perform speed control

1. Suggest a circuit for double acting cylinder operates by bush bottom switch and control the flow rate.

2. Suggest a circuit for double acting cylinder operates by bush bottom switch and automatic return.

2- Presenting the Sequence and Opening Conditions

10

I2 I3

The student should be able to: • Draw the velocity diagram. • Draw the hydraulic and the

corresponding electric circuit. • Draw the state diagram and

motion diagram. Advance the cylinder arm and automatic return


Reverse Feed to Discharge Slider


Opening and Closing the Tool Holder


3- Design and Construct and Exercise the Electro-hydraulic Control Units

8


- 48 -

I2 I5


out the experiment.

4- Open and Close a Door

2

I6 The student should be able to:- • Suggest the circuit and carry

out the experiment.

Move the Components with Holder 2

G6 G7


out the experiment.

Stopping and Fixing the Cylinders in Intermediate Positions 2


- 49 -

Pneumatic and


212 SYS Code Maintenance of Hydraulic Systems Course Title


4 3 2 1 Semester


1 L

4 W

- T

Contact Hours

(Hour/week)

Course Description:

This course teaches the student the different hydraulic pumps, cylinders, valves and other components disassembly to recognize their parts and deal with their defects and the methods of their maintenance. The student knows the different types of maintenances, how and when they can be performed and the proper scientific and practical methods to be followed. Also, the student tests the different hydraulic components by using the hydraulic test equipment. General Goal:

The student should be able to carry out the required maintenance for the component and the all circuits and how to perform trouble shooting process and the method of remedies. Also, perform maintenance following the scientific procedures and ensure the methods by testing the different components after repair using the hydraulic test bench. Behavioral Objectives:


1. Know an introduction about maintenance and define its meaning. 2. Check the components and the primary operation. 3. Study the hydraulic oil properties. 4. Check, test and maintain the components of the hydraulic system. 5. Check the components using the hydraulic test bench.


- 50 -


• Introduction and maintenance definition. • The check and the primary operation. • Hydraulic oil properties. • Check, test and maintenance of the components of the hydraulic system. • Check the components using the hydraulic test bench.

References:


- 51 -


D1 C1 E1

The student should be able to:- • Know the different component

of the hydraulic power unit which include (oil tank – hydraulic pump driven by electric motor or by internal combustion engine – control valves (directional-pressure-flow) – unit accessories (filters – coolers – hoses – pipes- ---).

1-Introduction and maintenance definition

1

I1 E1

The student should • Know that the maintenance

divided into (service-checking-repair).

• Study the service as follows: 1- The method of oil change. 2- The method of filling. 3- Filter cleaning. 4- Readjust the pressures. 5- How to deal with pipes. 6- Clean all the facilities. 7- Replace the parts.

2- Service, Check, and Repair

2

B9 B10 B12

The student should be able to: • Check the different points. • Check the oil level. • Check the heat exchangers. • Ensure no leakage. • Ensure the temperature. • Ensure the pressure. • Ensure the adjustment of the

leakage. • Ensure the cleanliness of

liquid by different methods:- 1- Visual checking to the

pressure difference. 2- Weight method. 3- Method of calculating

particles by the measuring devices and the electronic counter.

4- Method of microscopic analysis.

3- Checking points 1- Daily 2- Monthly 3- Before stopping for a long period

2


- 52 -

B9 B10 B12

The student should be able to: • Determine faults. • Repair faults. • Measure the flow rates. • Repair the hydraulic

components.

4- Study and Knowledge of Determining Faults

1

B9 B10 B12

The student should be able to: • Check the tank to ensure its

cleanliness and safety of its parts from damage during charging and fitting.

• Adjust the alignment of the rotating shafts of the pump and motor.

• Ensure no damage of motor and pump bearings.

5- Checking

1

B9 B10 B12

The student should be able to:- • Fill the tank with the fluid

properly. • Ensure the cleanliness of the

fluid. • Ensure the readiness of the

tank and check the pipes and the attached filters.

6- Primary Operation

1

D2,D3,D6,D9

The student should be able to:- • Operate the pump to ensure

the proper direction of rotation.

• Ensure the existence of fluid at the pump entry.

• Adjust the pressures (increase the pressure gradually to recognize the systems faults.

7- Operation and Control in Pumps

1

D1,D2,D3,D4,D5,D6,D8

The student should be able to:- • Know the functions of oil in

power transmission – cooling – oiling.

• Know the characteristics required in oil.

• Problems that properly occurs due to oil and its undesirable additives.

8- Oils Properties

1


- 53 -

D1,B9 The student should be able to:- • Know the types of pumps and

maximum pressure limit for each type.

• Changing the leakage seal and precise detection for pumps and performing the maintenance for each type.

9- Checking, Maintenance and Test for Pumps and Motors

1

E1,E2,E3,E4

The student should be able to:- • Know the different types of

valves used to control the flow direction, pressure, and flow rate.

• Know the types of valves (sliding - jumping) and how to perform the maintenance to valves and change their seal properly.

10- Checking, Maintenance and Test for Valves

1

F1,F2,F3 The student should be able to:- • Know the concept and the

method of operation of hydraulic cylinders.

• Know the different methods of fitting seals.

• Know the cylinders fault (damage – wearing of piston seals- scratch).

11- Checking, Maintenance and Test for Cylinders

1


- 54 -

F1,F5

The student should be able to:- • Know the test equipment

capabilities and the different tests which can be carried out by using it through the followings:- 1- Recognize the equipment

parts. 2- Study the hydraulic circuit

of the equipment. 3- Study the electric circuit

of the equipment. 4- Test valves. 5- Test cylinders. 6- Test pumps. 7- Measure the leakage rates

of the components. 8- Measure the flow rate

through the components and draw the performance curves.

12-Testing the Components using the

Test Equipment

1


- 55 -


D1 C1 E1

The student should be able to:- • Know the different component

of the hydraulic power unit which include (oil tank – hydraulic pump driven by electric motor or by internal combustion engine – control valves (directional-pressure-flow) – unit accessories (filters – coolers – hoses – pipes- ---).

1-Introduction and maintenance definition

3

C2 D1 D2

The student should • Know that the maintenance

divided into (service-checking-repair).

• Study the service as follows: 1- The method of oil change. 2- The method of filling. 3- Filter cleaning. 4- Readjust the pressures. 5- How to deal with pipes. 6- Clean all the facilities. 7- Replace the parts.

2- Service, Check, and Repair

8

B9 B10 B12

The student should be able to: • Check the different points. • Check the oil level. • Check the heat exchangers. • Ensure no leakage. • Ensure the temperature. • Ensure the pressure. • Ensure the adjustment of the

leakage. • Ensure the cleanliness of

liquid by different methods:- 5- Visual checking to the

pressure difference. 6- Weight method. 7- Method of calculating

particles by the measuring devices and the electronic counter.

8- Method of microscopic analysis.

3- Checking points i. Daily

ii. Monthly iii. Before stopping for a long

period

8


- 56 -

B9 B10 B12

The student should be able to: • Determine faults. • Repair faults. • Measure the flow rates. • Repair the hydraulic

components.

4- Study and Knowledge of Determining Faults

4

B9 B10 B12

The student should be able to: • Check the tank to ensure its

cleanliness and safety of its parts from damage during charging and fitting.

• Adjust the alignment of the rotating shafts of the pump and motor.

• Ensure no damage of motor and pump bearings.

5- Checking

4

B9 B10 B12

The student should be able to:- • Fill the tank with the fluid

properly. • Ensure the cleanliness of the

fluid. • Ensure the readiness of the

tank and check the pipes and the attached filters.

6- Primary Operation

4

D2,D3,D6,D9

The student should be able to:- • Operate the pump to ensure

the proper direction of rotation.

• Ensure the existence of fluid at the pump entry.

• Adjust the pressures (increase the pressure gradually to recognize the systems faults.

7- Operation and Control in Pumps

4

D1,D2,D3,D4,D5,D6,D8

The student should be able to:- • Know the functions of oil in

power transmission – cooling – oiling.

• Know the characteristics required in oil.

• Problems that properly occurs due to oil and its undesirable additives.

8- Oils Properties

4


- 57 -

D1,B9 The student should be able to:- • Know the types of pumps and

maximum pressure limit for each type.

• Changing the leakage seal and precise detection for pumps and performing the maintenance for each type.

9- Checking, Maintenance and Test for Pumps and Motors

4

E1,E2,E3,E4

The student should be able to:- • Know the different types of

valves used to control the flow direction, pressure, and flow rate.

• Know the types of valves (sliding - jumping) and how to perform the maintenance to valves and change their seal properly.

10- Checking, Maintenance and Test for Valves

4

F1,F2,F3 The student should be able to:- • Know the concept and the

method of operation of hydraulic cylinders.

• Know the different methods of fitting seals.

• Know the cylinders fault (damage – wearing of piston seals- scratch).

11- Checking, Maintenance and Test for Cylinders

4


- 58 -

F1,F5

The student should be able to:- • Know the test equipment

capabilities and the different tests which can be carried out by using it through the followings:- 1- Recognize the equipment

parts. 2- Study the hydraulic circuit

of the equipment. 3- Study the electric circuit

of the equipment. 4- Test valves. 5- Test cylinders. 6- Test pumps. 7- Measure the leakage rates

of the components. 8- Measure the flow rate

through the components and draw the performance curves.

12-Testing the Components using the

Test Equipment

5


- 59 -

Pneumatic and


222 MEC Code Industrial safety Course Title

Prerequisites

4 3 2 1 Semester


2 L

0 W

0 T

Contact Hours

(Hour/week)

Course Description:

The vocation safety is an important part of the fundamentals of the trade. The student knows the precautions which should be taken to prevent accidents and keeping industrial health.

General Goal:

The industrial safety aims to prepare safe conditions from any hazards or sudden accidents. Also, keeping the worker health, safety and fitness.


The trainee should be able to:

1. Know the method of wearing the work uniform and safety protections.

2. Know the method of selecting the suitable place for work.

3. Use the tools and devices properly.

4. Keep the environment inside the workshop.

5. Know the method of combustible materials and the method of using fire extinguishers.

Theoretical and Practical Topics:- • Clothing and protective kits • Work place conditions • Using Tools and devices • Hazards from machines danger materials • Fire fighting

References


- 60 -


A1 The student should be able to: • Identify different types of safety

clothing and kits and their uses

1- Clothing and protective kits • Safety overalls • Helmets. • Gloves. • Noise suppressors equipment • Chest protection coat • Safety boots • Safety goggles

2

A2 The student should be able to: • Know the general healthy

conditions concerned with the location and environment of the workplace such as available lighting, ventilation, and noise level

2-work place conditions • Preparing the work centers. • Workplace cleaning and setting • Importance of the location and

environment of the workplace • Standards of safety of

workplaces • Noises and vibrations • Different radiations

4

A3 A6

The student should be able to: • Know the different types of tools,

their uses and how to use them properly.

3- using tools • Tools. • Tools selection and usage

2

A6 A4 A8

The student should be able to: • Use the devices in proper manner to

prevent accidents and keep devices from damage.

4- Hazards of machines, devices and danger materials • Using devices in proper manner. • Keep the devices safe.

4

A7

The student should be able to: • Know the different types of fires

and fire fighting equipment and their operation

5- Fire fighting and hazards of gases

• Methods of using fire extinguishers and their types. • Types of fires and their fighting equipment • Know the fields of using the fire extinguishers.

2


- 61 -

Pneumatic and


1١٦ SYS Code Control systems Course Title

1٢3 SYS Prerequisites

4 3 2 1 Semester


1 L

2 W

T

Contact Hours

(Hour/week)

Course Description:

This course provides the student with many and different applications for the industrial processes control systems. The performance diagram and the relation between input and output signals are illustrated for each element to know the performance, accuracy, stability and response and performing the required modifications.

General Goal:

The student has finished prerequisite course entitled "principles of automatic control", so this course enabled the student to study the performance of control systems. After completion of this course the student will have the sufficient knowledge about the analysis of the control system performance and the different applications theoretically and practically and performing the required modifications. Behavioral Objectives:


1. Understand the process control. 2. Study different applications and representing mathematical models (input/output –

Transfer function). 3. Use different types of control action in the control circuits (proportional – integral

– differential). 4. Use different types of controllers. 5. Draw the block diagram, made block diagram reduction. 6. Classification of the control systems (first order system – second order system). 7. Open and closed loop control circuit (advantages and disadvantages). 8. Different application in control (temperature – liquid level – servo-hydraulic ….).


- 62 -


• Introduction (general concept about the development of the control systems and understand the control in processes).

• Different applications and representing the different mathematical models of the control systems.

• Open and closed loops. • Block diagram representation. • Control systems classifications. • Systems performance. • Different applications of control circuits.

• E.A Parr, Industrial Control Handbook, BSP Professional Books, London References:


- 63 -


The student should be able to: • Review and understand the

previous course "Automatic control principles".

• Understand the process control

1-Introduction: • General concept about the

development of control systems. • Understanding the process control.

1

C5 B12 C4

The student should be able to: • Understand the control system

of heat exchanger temperature control.

• Understand the control system of liquid level control.

• Understand the control system of hydraulic servomechanism (position and speed of hydraulic motor).

2- Different Applications and

Mathematical Models Representation:

• Examples of some control systems. • Transfer function.

D7 D8 D9

The student should be able to understand: The method of operation and adjusting the variables of the following: • Proportional controllers. (P) • Proportional-Integral

controllers. (PI) • Proportional-Integral-

Differential controllers. (PID)

3- Using the Different Controllers in

Control Circuits: • Proportional controllers. (P) • Proportional-Integral controllers. (PI) • Proportional-Integral-Differential

controllers. (PID)

2

D7 J4

The student should be able to: • Represent and understand the

open and closed loop circuits.

4- Open and Closed Loop Circuits • Advantages and disadvantages.

2

D13

The student should be able to: • Represent the control systems

by blocks. • Reduce the block diagram

into a simplest one.

5- Block Diagrams

Block diagram reduction 2


- 64 -

D12 I2

The student should be able to:- • Study the first order

control system. • Study the second order

control system.

6- Classifications of Control Systems:

• First order control system. • Second order control system.

2

The student should be able to:- • Know the concept of

stability and how it can be achieved.

• Know the concept of accuracy and how it can be determined and the nature of the standard input signal used to test the system.

• Study of the system response and how can be changed according to the working conditions.

7- Systems Performance: • First order control system. • Second order control system.

2

The student should be able to:- • Study practical models

(Case study).

8- Different Applications: • Study some different method of

control system which include: - Determine the set point (objective). - Select the measured quantities. - Select the variables to be

manipulated by the system. - General structure of the control

system in each case. - Study simple mathematical model.

4


- 65 -



C5 B12 C4

The student should be able to: • understand the open and closed

loop control circuits • Using the on-off controller.

Closed Loop Control Circuit in Tank Liquid Level Control:- - Using on/off controller.

2

D7 D8 D9



Closed Loop Control Circuit in Temperature of Thermal Element:- - Using on/off controller.

2

D7 J4



Closed Loop Control Circuit in Flow Rate Control:- - Using on/off controller.

2

D13

The student should be able to: • Study different types of control

systems.

Servo-hydraulic Control:- - General characteristics of

servomechanisms 2

D12 I2

The student should be able to: • Study some control systems.

Measuring Methods Characteristics - Used in measuring the

position and motion of hydraulic motor.

4

E5 The student should be able to: • Study some examples of control

systems.

Open Loop Control in Hydraulic Motor 2

The student should be able to: • Study the control systems

including-:- determine the objectives – select the measured quantities – select the variables to be manipulated.

Closed Loop Control (servomechanism)- Position Control of Hydraulic motor

2

C5 B12 C4

The student should be able to: • Study the control systems

including-:- determine the objectives – select the measured quantities – select the variables to be manipulated.

Closed Loop Control (servomechanism)- Speed Control of Hydraulic motor

2


- 66 -

D7 D8 D9

The student should be able to: • Study some examples of control

systems.

Open Loop Control in Pneumatic Machine 2

D7 J4

The student should be able to: • Study example of first order

control systems.

First Order Closed Loop Control (in pneumatic equipment) 2

D13 The student should be able to: • Study example of second order

control systems.

Second Order Closed Loop Control (in pneumatic equipment) 2


- 67 -

Pneumatic and


٢١٥ SYS Code Computer aided drafting Course Title

Engineering Drawing 111 SYS (MEC) Prerequisites

4 3 2 1 Semester


0 L

4 W

0 T

Contact Hours

(Hour/week)

Course Description:

This course includes primary practical training to enable the student to use computers and specifically AutoCAD to construct engineering two and three-dimensional drawings. It also familiarizes the student with the capabilities of AutoCAD so that he can modify drawings and control the features of their elements.

General Goal:

The course enables the student to construct the two and three-dimensional engineering drawings using computers.



1. Explain the significance of computer aided drafting and name well-known program

in this field.

2. Explain the main elements of AutoCAD and describe the contents of its Start up

menu.

3. Construct two-dimensional graphs containing several shapes.

4. Add the dimensions and text to the graph.

5. Use the program library, form blocks and add it to the graph and insert the hydraulic

and pneumatic symbols.

6. Modify the graphs and control the features of its elements.

7. Construct three-dimensional graphs.

8. Print graphs.


- 68 -

Topics Practice

• Introduction • Getting started with AutoCAD • Preparing to new graph. • Two dimensional graphs • Methods of graph modifications • Adding dimensions and text to the graph • Block Formation • Sectioning • Inserting hydraulic and pneumatic symbols. • Three dimensional graphs • Graph printing

“AutoCAD 2002” References:


- 69 -


A6

The student should be able to: • Explain the various capabilities of

computer aided drafting software • Name the Commonly used

software for computer aided drafting

• Explain the Advantages of computer aided drafting versus conventional drawing methods

1- Introduction: • Capabilities of computer aided

drafting software • Commonly used software for

computer aided drafting • Advantages of computer aided

drafting versus conventional drawing methods

1

A6

The student should be able to: • Explain the elements of AutoCAD

and the requirements for its operation

• Describe the Start Up menu, windows, and lists of AutoCAD

2- Getting started with

AutoCAD: • Main elements of AutoCAD

and the requirements for its operation

• Start Up menu, windows, and lists of AutoCAD

• Activation of main Toolbar

1

The student should be able to: • Prepare to start new graphs. • Use the “Grid” and “Object Snaps”

3- Preparation for Graph • Start new graph. • Layers – colors – types lines –

grid – Object Snaps

4

G1, G5

The student should be able to: • Construct two dimensional graphs

including different geometric shapes

• Use the “Grid” and “Object Snaps”

4- Two dimensional graphs • Construction of simple

geometric shapes ( lines, circles, arcs, ovals)

• Construction of complicated geometric shapes (rectangles, polygons, curves)

• Using “Grid” and “object snaps”

• Construction of graphs containing both simple and complicated geometric shapes

8


- 70 -



A6

The student should be able to: • Modify the graphs using the

important commands available in AutoCAD

5- Graph modification • Using the commands in

“Modify” tool bar to make changes on simple geometric shapes

• Modify multiple, miscellaneous, and smooth lines

• Curve modifications • Ungroup complicated

shapes into simple shapes • Angle chamfering and fillet • Scaling

16

A6

The student should be able to: • Explain the absolute, incremental,

and user (UCS) coordinate systems • Add and modify dimensions and

texts to the two and three dimensional graphs and control their features

• Perform hatching on the graphs

6- Adding dimensions and

text to the graph • Introducing the absolute,

incremental, and user (UCS) coordinate systems

• Construct different types of dimensions in two and three dimensional graphs

• Adding texts to the graph • Modifying dimensions ad texts

and controlling its features • Hatching

4

A6 The student should be able to: • Perform sectioning.

7- Sectioning 4

A6,D1 E1,F1,G1

The student should be able to: • Define the .and explain its

importance and applications in drafting

• Construct blocks and merge it to graphs

8- Block formation

(Insert the Hydraulic and Pneumatic Symbols) • Introducing blocks, their

importance and applications • Constructing blocks and

merging them to graphs

8


- 71 -



A6

The student should be able to: • Explain different methods of

constructing graphs for three dimensional objects

• Construct graphs for three dimensional solids using logical operations

• Construct three dimensional objects from two dimensional objects using extrusion method and by changing the height and thickness

9-Three dimensional graphs • Introducing methods of

constructing three dimensional objects

• Graphing simple three dimensional solids (cube, sphere, cylinder, cone)

• Graphing more complicated three dimensional solids using logical operations

• Constructing three dimensional objects from two dimensional objects using extrusion method and by changing the height and thickness

12

A6

The student should be able to: • Print graphs according to the

given requirements

10- Graph printing • Introducing the printing process

and how to prepare the graph for printing

2


- 72 -

Pneumatic and


221 SYS Code Overhauling the Hydraulic Systems Course Title


4 3 2 1 Semester


0 L

4 W

0 T

Contact Hours

(Hour/week)

Course Description:

This course provides the student the all the required knowledge to treat any technical fault in the hydraulic systems. Also, he will prepare, maintain, and overhaul the elements of hydraulic systems.

General Goal:

The course enables the student to have the required knowledge to deal with any technical shortage in the hydraulic system and make him able to prepare, maintain and overhaul the hydraulic parts.



1. Use documents (operation manuals) and analyze any faults of the elements and

equipment.

2. Deal with any shortage in the hydraulic components.

3. Prepare to overhaul the hydraulic components.

4. Know the required steps and the conditions for performing the systems and its

component overhauling.


- 73 -

Topics Practice

1. Types of Faults and their Causes. 2. Repairing the components of hydraulic systems

- Hydraulic cylinders. - Directional valves. - Proportional valves. - Non-return valves and pressure control valves. - Pumps and motors. - Static hydraulic accumulators.

3. Using and repair of hydraulic equipment

“Rexroth Technical Handbook” References:


- 74 -


E1 F1 B1 D1

The student should be able to: • Determine the site or the fault

position in the hydraulic system (mechanical – electrical – hydraulic).

• Loose (disassemble) the damaged element.

• Detect the function of the damaged element using test bench.

1-Types of Faults and their

Causes - Determine the fault position of

the hydraulic system. - Loose (disassemble) the

damaged elements.

6

E1

The student should be able to: • Disassemble the hydraulic cylinder

with ordered steps. • Change the different types of

sealing. • Know the methods of using and

applying on the important equipment such as the calibration and expansion equipment.

• Change the damaged pistons and sealing rings.

• Adjust the piston rod. • Repair the damaged locations by

either of the following method:- Welding – grinding – chromatic scanning – hardening • Assemble the hydraulic cylinder

after repair in ordered manner and test it after repair.

• Use the measuring block gauges. • Know how to use polishing

equipment. • Measure the actual size. • Grind the pistons to suit the final

and required dimensions taking into account the tolerance in the piston dimension.

• Finish the final dimension of the piston

2- Repair the Components of the

Hydraulic Systems Hydraulic Cylinder • Disassemble the hydraulic

cylinder. • Change the different types of

seals. • Change the damaged pistons

and sealing rings. • Repair the damaged locations. • Assemble the hydraulic

cylinder after repair in correct order and then test it.

Directional Valves • Measure the oil leakage flow

rate in the damaged valves. • Test the function of the valves

after maintenance and repair. • Compare the leakage flow rate

before and after repair.

40


- 75 -

• • The student should be able to: • Measure the leakage rate in the

damaged valves. • Test the valves function after

maintenance and repair. • Compare the leakage flow rate

before and after repair. • Change the sealing in the non-

return valves and pressure control valves.

• Detect the faults in the conical element of the valves.

• Repair and test the valves using the test bench.

• Change the damaged magnet in the proportional valve.

• Modify the magnet in the valve. • Use the tools of repair the

proportional valve. • Measure the oil leakage in the vane

pumps. • Know the pump parts. • Know the necessary tools to

disassemble the pump. • Know the necessary measuring

devices. • Install the main parts inside the

pump frame. • Determine the leakage rate on the

test bench • Readjust the pump for the required

pressure and discharge. • Draw the characteristics curves for

the vane pumps after repair on the test bench.

• Compare the pump curves before and after repair.

• Modify the clearance between stationary and rotor by change the disk.

• Know the parts of the gear pump. • Draw the characteristics curves for

the vane pumps having the damaged seals on the test bench.

• Change all the elements of damaged seals on the test bench.

Non-return Valves and Pressure Control Valves • Change the seals. • Check damage or fault in the

valve's conical part. Proportional Valves • Change the damaged magnet in

the proportional valve. • Modify the magnet in the

valve. Pumps and Motors • Vane pumps with variable

displacement. • Gear pump.

Static Hydraulic Accumulator • Vane Type accumulator


- 76 -

The student should be able to: • Readjust the pump for the required

pressure and discharge. • Assemble the pump parts. • Draw the characteristics curves for

the gear pump after repair on the test bench

• Compare the curves before and after repair.

• Know the general safety instructions at using the accumulator.

• Ensure the gas pressure less than the liquid pressure.

• Ability to change the gas packet in the accumulator.

• Know the method of filling the accumulator by gas.

• Beware at air filling tank provided that the pressure does not exceed the limit.

The student should be able to: • Repair the equipment containing

some or all parts mentioned before.

3-Usage and Repairing of the Hydraulic Equipment: • Exercise on the repair of

hydraulic equipment to some or all the mentioned parts.

8


- 77 -


222 SYS Code Programmable logic control systems Course Title


4 3 2 1 Semester


2 L

2 W

T

Contact Hours

(Hour/week)

Course Description:

This course aims to inform the student with the required basic knowledge about the components and the method of programming the programmable logic control units and also, the fields of usage in the different control systems.

General Goal:

Enable the student to write programs and construct hydraulic and pneumatic systems using programmable logic control units.



1. Know the functions and basic principles for programmable logic control units.

2. Describe the basic components of the programmable logic control units. 3. Know the logic gates and construct the truth table for the logic circuit and

verifying it. 4. Write a program using the different method in programming the logic unit. 5. Perform some applications on the hydraulic and pneumatic circuits.


- 78 -


• Introduction • Basic principles of programmable logic control units.

- Types of signals. - Method of processing the binary signals. - Logic processes.

• Main component and the general structure of the programmable logic control units. • Addressing the programmable logic control unit and assigning the terminals. • Method of programming the logic units (command list – ladder diagram – functional

performance chart). • Control of input and output signals. • Programming the sequential control. • Application on hydraulic and pneumatic circuits.

• References:


- 79 -


The student should be able to: • Describe the start and

historical development of the programmable logic control unit systems.

• Explain the difference between the conventional control systems and the programmable control systems.

1-Introduction: • Historical development of the

programmable logic control units. • Applications of the programmable

control systems.

1

E

The student should be able to: • Explain the difference

between the signal types (analog – digital – binary).

• Know the difference between the data transmission in parallel and series.

• Draw the general structure of the programmable logic control units.

• Determine the types of input signals to the programmable units and know the method of command transmission.

• Know the method of implementation the commands in the program.

• Illustrate that the program determine the state of input and output signals at any instant.

• Explain the logic processes. • Explain the uses of stored

logic gates in the programmable logic units (AND – OR – NOT – NOR –NAND).

2- Basic Principles of Programmable

Logic Control Units • Types of signals. • The method of binary signals

processing. • The logic processes.


- 80 -

The student should be able to: • Explain the expressions of

hardware and software. • Explain the structure and the

operating systems for the programmable logic unit.

• Describe the parts of the different programmable logic units.

3- Basic Component and General Structure to Programmable Control Units:

• Hardware and software. • Structure of programmable logic

control units. • Programmable logic units

- CPU - Memory. - I/O units. - Bus system.

• Sensors. • Actuator.

3

The student should be able to: • Explain the characteristics of

input and output variables according to standards.

• Explain the digit system for input and output and assign the terminals and understand the importance of this digit system at execution process of the program and at troubleshooting.

4- Addressing Programmable Logic Units and Assigning the Terminals.

2

The student should be able to: • Know the following methods

of programming (ladder diagram – Command list – functional performance chart).

5- Programming Methods • Ladder diagram. • Command list. • Performance charts.

6

The student should be able to:- • Explain the sequential control

expression. • Know the writing of

sequential control program using the contactors diagram and command list.

• Write the sequential programs to hydraulic and pneumatic applications.

6- Programmable Sequential Control • Sequential control. • Step counter. • Solving programs including

sequential control

6

The student should be able to:- • Design programs to

hydraulic and pneumatic systems.

7- Hydraulic and Pneumatic Applications

2


- 81 -



The student should be able to: • Describe the components of

different programmable logic unit.

• Describe the structure and operating system of the different programmable logic units.

1-Basic Component and

General Structure to Programmable Control Units:

6

The student should be able to: • Explain how to prepare a

program to the programmable logic units.

• Explain the importance of the assignment table of terminals to prepare the program.

• Illustrate the symbols of contactors and relays and output in the diagram.

• Prepare and write the program using the following methods of programming (ladder diagram – Command list – performance chart).

• Execute some hydraulic and pneumatic applications.

2- Programming Methods • Ladder diagram. • Command list. • Performance charts.

14

A, E

The student should be able to: • Prepare and write the sequential

control program using the command list or step diagram.

• Test the program performance. • Execute the sequential programs

to hydraulic and pneumatic applications.

3- Programmable Sequential

Control

10


- 82 -

Pneumatic and


223 SYS Code Hydraulics of Mobile Equipment Course Title

Prerequisites

4 3 2 1 Semester


1 L

2 W

T

Contact Hours

(Hour/week)

Course Description:

This course aims to inform the student with the required basic knowledge about the different hydraulic systems that used in the mobile machines such as excavators, cranes and tractors. Studying their components, the method of operation and performing the periodic maintenance to some of them.

General Goal:

Enable the student to know the principles of hydraulic systems used in mobile equipment. Knowing the method of operation, maintenance and the causes of faults and putting the required maintenance procedures. Behavioral Objectives:


1. Know the hydraulic systems used in mobile equipment. 2. Know the cooling and oiling systems. 3. Know the principles of hydraulic clutches. 4. Know the brake systems in mobile equipment. 5. Perform checking and repair for the mechanical system.


- 83 -


• Introduction to mobile hydraulics. • Hydrostatic motion mechanism. • Method of operation of the hydrostatic movement means. • Maintenance the hydrostatic movement means. • The mechanical systems of the mobile equipment

- Cooling systems. - Oiling and lubrication systems. - Firing system

• Hydraulic clutches and gear boxes. • Checking and repair the mechanical systems.

• References:


- 84 -


The student should be able to: • Recognize the principles of

mobile equipment, classifications, main parts and types.

1-Introduction to Mobile Hydraulic Equipment

1

H1 H2 H3

The student should be able to: • Explain the method of

operation of the hydrostatic movement group.

• Explain the required properties of oils and their types that used in the mechanical systems of the mobile equipment.

2- Hydrostatic Movement Mechanism

2

C3

The student should be able to: • Classify the cooling systems

that used in mobile hydraulic equipment.

• Explain the method of operation of the cooling system, its components.

• Maintain the system.

3- Cooling System of Mobile Equipment

2

B, C E F G H J K

The student should be able to: • Explain the different oiling

systems, the method of operation and classifying the types of used oils according to the loading conditions.

• Explain the main components to the system.

4- Oiling and Lubrication Systems for the Mobile Hydraulic Equipment

2

H

The student should be able to: • Explain the different types of

hydraulic clutches, their parts and the method of operation.

• Explain the method of operation of gearbox.

5- Hydraulic Clutches and Gearbox

2


- 85 -

C F K

The student should be able to:- • Know the types of brake

systems. • Explain the hydraulic

intensifier, its component and the method of operation.

6- Brake System

2

C D E F G H J K

The student should be able to:- • Know how to check and

repair the hydraulic, pneumatic and mechanical systems.

7- Maintenance of Hydraulic, Pneumatic and Mechanical Systems

3


- 86 -



C – D – E F – G – H

J – K

The student should be able to: • Describe the components of

different programmable logic unit.

• Describe the structure and operating system of the different programmable logic units.

1-Basic Component and

General Structure to Programmable Control Units:

8

C3

The student should be able to: • Disassemble (loose) the cooling

system. • Repair the cooling system. • Replace the damaged parts of the

cooling system.

2- Check and Repair the

Cooling System of Mobile Equipment

6

B – C – E F – G – H

J - K

The student should be able to: • Disassemble (loose) the oiling

system. • Repair the oiling system. • Replace the damaged parts of the

oiling system.

3-Check and Repair the Oiling

Systems for the Mobile Hydraulic Equipment

8

C F K

The student should be able to: • Disassemble (loose) the brake

system. • Repair the brake system. • Replace the damaged parts of the

brake system.

4- Check and Repair of the

Brake System

6


- 87 -

Pneumatic and


224 SYS Code Proportional and Servo Hydraulics Course Title


4 3 2 1 Semester


2 L

2 W

T

Contact Hours

(Hour/week)

Course Description:

This course includes the study of different types of the proportional elements and its uses in the hydraulic system. It also includes the study of the functions and characteristics of the servo valves and comparison between the proportional valves and servo ones. Also, study the characteristics of closed loop control systems.

General Goal:

The course enables the student to know the functions and components of the proportional and servo valves. The theoretical part of the course gives the student a general view of modern technology. The practical part improves the student's experience through the construction and execution of a number of experiments. Also the student deal with modern components and analyze the characteristic of closed loop control system. Behavioral Objectives:


1. Know the technology of proportional and servo hydraulics. 2. Know the characteristics of proportional valves. 3. Know the load equation using the pressure compensators. 4. Know the electronic control of proportional and servo valves. 5. Know the functions and characteristics of servo valves. 6. Know open and closed loop control circuits. 7. Know an introduction to the logic control elements. 8. Deal with and operate the proportional valves. 9. Know automatic control to a cylinder and hydraulic motor. 10. Know the characteristics of different types of proportional and servo valves. 11. Perform experiments to the different control functions.


- 88 -


• Technology of proportional and servo hydraulics components. • Proportional valves characteristics. • Load equations using pressure compensators. • Electronic control for proportional and servo valves. • Functions and characteristics of servo valves. • Open and closed loop control circuits. • Dealing with and operating the proportional valves. • Automatic operation for cylinder and hydraulic motor. • Characteristic of different types of proportional and servo valves. • Experiments on the different control functions.

• References:


- 89 -


E1 E2 E3

The student should be able to: • Understand the technology of

proportional and servo valves as connection elements between the hydraulic and electronic circuits.

• Explain the important components in the electronic amplifier circuit.

• Draw the signal sequence. • Name the solenoids. • Draw the relation between the

components and functions in proportional hydraulics.

1-Proportional and Servo Hydraulic Components Technology

4

E4 E5

The student should be able to: • Illustrate the function of the

pilot operated proportional valves.

• Explain the construction of the control slider of operation of proportional directional valve.

• Explain examples of pilot operated circuits.

• Know the directional valves with or without feed back.

2- Directional Proportional Valves Characteristics.

4

E1 E2 E3

The student should be able to: • Explain the function of

pressure control proportional valves.

• Know the difference between the pressure control valve and their uses.

• Know the limit pressure valve – direct and pilot operated.

• Know the pressure reducing valve - direct and pilot operated.

3- Characteristics of Pressure Control Proportional Valves

4


- 90 -

E4 E5

The student should be able to: • Explain the difference

between the functions and characteristics of flow control proportional valve and their uses.

• Know the two ways --- • Know the two ways throttle

valve.

4- Characteristics of Flow Control Proportional Valves

4

E7

The student should be able to: • Explain the required pressure

compensators. • Explain the function of two

way pressure compensators.

5-Load Equations Using Pressure Compensators

4

E1 E4 E7

The student should be able to:- • Know the use of electronic

control units. • Determine the functions of

electronic control (linear function generator – position measuring elements.

• Use the proportional pressure limit valve and two channel amplifiers.

• Use the limit pressure valve to fixing unit.

• Perform reverse motion unit depending on the length of the stroke (Grinding - Milling Machines).

• Perform emergency stop using proportional amplifier.

6-Electronic Control for Proportional Valves

4

E1 E4 E7

The student should be able to:- • Know the difference between

the distance-dependent deceleration and time-dependent deceleration.

• Know the difference between the closed and open loop control.

• Explain the basic functions for the proportional, integral, differential elements and time delay elements.

7-Open and Closed Loop Control Circuits

4


- 91 -

E1 E4 E7

The student should be able to:- • Explain the main

characteristics for the servo valves.

• Define the static and dynamic expressions.

• Illustrate the advantages of servo hydraulics.

• Name the basic components. • Illustrate the functions and

characteristics of the servo valves.

• Differentiate between the two-stage by pilot electric and pressure operated valves.

• Know the servo control valves- direct operated and analyze the characteristics.

8-Functions and Characteristics of Servo Valves

4


- 92 -


E1 E2 E3

The student should be able to: • Install the proportional valves

in simple hydraulic circuit and then operate them.

• Execute experiments using the proportional amplifier for pressure control valves.

• Execute an experiment using: –The cylinder start slowly acceleration and then deceleration and finally stops.

• Design the velocity and time diagrams.

• Connect the electronic amplifier according to the diagram.

• Adjust the time of the linear function using volt partition.

• Test the performance of electronic amplifier card.

1-Operation of Different Types of Proportional Control Valves

6

E4 E5

The student should be able to: • Design and install the

automatic operation of a motor controlled by using proportional directional valve.

• Adjust the speed using the volt partition.

• Adjust the acceleration and deceleration using the electronic amplifier through the linear function generator.

2- Automatic Operation for a Hydraulic Motor

6


- 93 -

E1 E2 E3

The student should be able to: • Execute a number of

experiments to verify the characteristics of pressure control valves and investigate: - Dependence of the value

of pressure on the value of signal.

- Power operation in the proportional valve pilot operated.

• Execute a number of experiments to verify the characteristics of flow control valves and investigate: - The relation between the

flow rate and the input signal.

- The relation between the flow rate and input signal for of linear – equal percentage and quick return valves on stages.

- Determine the flow characteristics of directional valve.

3- Characteristics of Different Types Servo and Proportional Valves

8

E4 E5

The student should be able to: • Attempt to obtain optimal

solution for some problem through the execution of a number of exercises and experiments on:

• Electronic amplifier. • Proportional limit pressure

valve and amplifier. • Use pressure limit for fixing. • Reverse motion unit. • Emergency stopping. • Complete solution for a

problem such as milling machine.

4- Experiments on the Different Control Functions

8


- 94 -

Pneumatic and


225 SYS Code Computer Aided Manufacturing Course Title

Prerequisites

4 3 2 1 Semester


1 L

2 W

0 T

Contact Hours

(Hour/week)

Course Description:

This course emphasizes the basic concepts of modern technology in computer aided manufacturing systems. Also, exercises the student to primary program to use computer in drafting and manufacturing the mechanical work pieces.

General Goal:

The course is intended to provide the student with the basic knowledge regarding the basic principles of the software of computer aided drafting and computer aided manufacturing CAD-CAM.



1. Describe the most important modern manufacturing systems.

2. Explain the main basic concepts regarding to computer aided drafting and computer aided

manufacturing CAD-CAM.

3. Explain practically the procedures to construct and execute numerical control program by

computer.

4. Execute applied projects.


- 95 -


• Automation in manufacturing. • Integrated manufacturing processes and flexible manufacturing systems. • Computer aided drafting – computer aided manufacturing CAD-CAM. • Numerical control. • Computer numerical control programming.

References:


- 96 -


A6

The student should be able to: • Explain the advantages of automation

in manufacturing. • Explain the difference between fixed

and programmed automation.

1- Automation in

Manufacturing systems • Definition. • Fixed automation. • Programmed automation. • Advantages of automation.

1

A6

The student should be able to: • Explain the basic concept for

Flexible Manufacturing System (FMS) and Computer Integrated Manufacturing (CIM) system.

• Explain the basics of computer aided drafting and computer aided manufacturing CAM/CAD.

• Explain the difference between CAD, CAM and CIM.

2- Computer Manufacturing

Processes • Flexible Manufacturing

System (FMS). • Computer Integrated

Manufacturing (CIM). • CAD/CAM.

2

A6 E2 F2

The student should be able to: • Explain the basic concept of concerned

to the numerical control and describe its historical development.

• Explain the computer numerical control and how it can be used in motion (speed) control.

• Explain the computer numerical control and how it can be used in position control.

3- Numerical Control • Computer aided control. • Coordinate system and motion

control. • Position control system.

4

A6 E2 F2

The student should be able to: • Explain the preparing commands. • Explain the method of CNC machines

programming. • Write some programs.

4- Computer Numerical

Control Programming

8


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A6

The student should be able to: • Explain the main parts of WINCAM

software program. • Describe the program menu and the

included windows and lists.

1- Introduction to CAM/CAD

Programs 4

A6 E2 F2

The student should be able to: • Draw the contour of the work piece

to be machined using the CAD unit.

2- CAD Unit 6

A6 E2 F2

The student should be able to: • Explain how to convert the files from

extension DWG to any other extension.

3- Dealing with Files

2

A6 E2 F2

The student should be able to: • Determine the main factors to machine

a certain work piece. • Determine the required tools to

machine the work piece. • Determine the tool path.

4- CAM Unit

10

A6 E2 F2

The student should be able to: • Execute the drawing of the work piece

on the CAD unit. • Determine the contour lines for the

required work piece. • Use the ready circuits in the program. • Edit the generated program. • Test the generated program using

simulation.

5- Applied Study (Milling and

Turning)

٨


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Pneumatic and


226 SYS Code Project Course Title

Prerequisites

4 3 2 1 Semester


L

4 W

T

Contact Hours

(Hour/week)

Course Description:

In this course the student design and execute an applied project concerned to his field in any workshop or laboratory related to the department.

General Goal:

The course is intended to provide the student with the theoretical and practical experience through the execution of their ideas. He can present and discuss results obtained and extract conclusions from the results and look for ward to improve the work in future through laying recommendations. Also, he knows how to prepare a technical report about the project studied avoiding the linguistic mistakes.



1. Make a linguistic formula to the problem under investigation.

2. Search in references and utilize them to formulate the theoretical part.

3. Use the equipment and the suitable tools to execute the project correctly and safely.

4. Deduce, formulate and present the results.

5. Comment and interrupt the results.


• Project selection. • Project execution. • Project report preparation.


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According

to the project some tasks

from A to K will

be applied.

The student should be able to: • Search in references and formulate the

theoretical part. • Determine the materials, tools and

machines required to execute the project.

• Execute the project in the predetermined period.

• Prepare the final report of the project.

Project selection. Project execution. Project report preparation.


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DACUM Chart for Hydraulic and Pneumatic systems Technician

DACUM Panel

Awadh Noghamesh AL-Enzy General Organization for Weapons

and Munitions Industry

Abdullah Saleh AL-Dawas Water and Sewerage Authority

A.O.B You Farj Zahid Tractor Company

Basam Abdullah AL-Dakheel The National Guards

Ahmed Mobark Bakrmoom Bogshan Company

Adel Ali AL-Samnan Water and Sewerage Authority

Mohammed Fathi Othman Shebh AL-Jazeerah Contractors

Bernard Santro AL-Jomaih Company

Sayed Kamel Hajar AL-Owaidh Company

DACUM Facilitators

Dr. Ali Al-Watban Eng. Ibrahim Al- Furaiji Eng . Abdulaziz Al-Zowaid

Developed by:

General Organization Technical Education and Vocational Training

(GOTEVOT) Curriculum Department

Produced for:

Hydraulic And Pneumatic systems Technician

Date

7 - 1423 H

SUPERVISOR

SERVICE MANAGER

WORKSHOP MANAGER

Organizational Structure

Hydraulic And Pneumatic systems Technician

ASSISTANT MECHANIC


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a1) a2) a3) a4) a5) A Apply safety rules Wear

protective uniform

Prepare working area

Bring necessary

tools &equipments

Put warning &guidance

sings

Disconnect battery

before work

B1) B2) B3) B4) B5)

Fill job cards Check liquids Inspect filtersMeasure nitrogen pressure

Inspect pipes & hoses

B13) B14) B Perform periodic maintenance

Check oil tank

Check oil viscosity by

tester

C1) C2) C3) C4) C5)

C Repair troubles of attached parts to hydraulic system

Inspect hydraulic

tanks separation

plates

Inspect oil temperature

sensor

Inspect oil cooler

Inspect pump pressure

Measure oil temperature

D1) D2) D3) D4) D5)

Inspect vane pumps

Inspect gear pumps

Inspect axial piston pumps

Repair vane pumps

Repair gear pumps

D13) D Repair troubles of

all types of hydraulic pumps

Repair pump drive system

E1) E2) E3) E4) E5)

ERepair troubles of

control valves Inspect valve

operating system

Repair valve operating

system

Replace oil seals

Replace springs

Inspect control valves

F1) F2) F3) F4) F5)

F Repair all types of hydrolic cylinders Inspect

cylinders

Overhaul all types of cylinders

Replace cylinder piston

packing &seals

Inspect end connection

Repair end connection

Duties Tasks


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A6) A7) A8) Use suitable

tools &equipment

s with the proper ways

Able to use fire

extinguishers

Follow safety rules

for hydraulic systems

B6) B7) B8) B9) B10) B11) B12)

Inspect leaks

Inspect mountings

of hydraulic components

Inspect accumulator

recharge

Change fluids

Replace filters

Inspect fittings

&connections

Check oil level

C6) C7)

Inspect pump drive shaft pulley

Replace pipes &hoses

D6) D7) D8) D9) D10) D11) D12)

Repair axial piston pumps

Repair vane pumps control system

Repair axial piston pumps control system

Measure the flow rate of

oil

Readjust pump after

repair

Bleed air from pump

Inspect pump drive

system

E6) E7)

Repair control valves

Adjust control valves

F6)


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Adjust ball pin

connection


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G1) G2) G3) G4 G5

G Repair all types of hydraulic motors Inspect

motor Perform

measurements Replace oil

seals

Replace damaged

parts

Overhaul hydraulic

motor

H1) H2) H3) H4) H5)

H Repair hydraulic system troubles of

power train

Measure torque

converter pressure

Inspect torque converter

circuit

Measure transmission pressure

Inspect transmission-

on pump

Repair component-s

of torque converter

circuit I1) I2) I3) I4) I5)

I Repair electric & electronic troubles Inspect fuses Inspect drive

sensor

Replace electric

terminals

Replace damaged

coils

Replace relay

J1) J2) J3) J4) J5)

J Repair pneumatics troubles Inspect air

tanks

Measure air circuit

pressure

Repair air leaks

Repair electro-

pneumatic Control valves

Repair water separators

K1) K2) K3) K4) K5)

K Repair attachments Measure

pressure Adjust

pressure Replace pistons

Replace bushings

Replace oil seals


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G6 G7 G8

Measure motor drain

Inspect motor

assisted control system

Repair motor

assisted control system

H6) H7) H8)

Repair control brake

Replace transmission pump

Inspect pump coupling to engine

I6) I7)

Replace electronic

control board

Measure hydraulic oil temperature

J6) J7) J8) J9) J10)

Replace air outlets (control valves)

Inspect air pistons

Repair air pistons

Inspect air compressors

Overhaul air compressors

K6) K7) K8)

Replace hydraulic hammer chisel

Inspect jack hammer

Repair jack hammer


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General knowledge and skills Worker behaviors

1. Good command of English.

2. Computer skills.

3. Good knowledge of technical computer basics.

4. Familiar with hydraulic symbols

5. Able to use equipment manuals & hydraulic circuits.

6. Familiar with spare part name.

7. Ability of using special tools.

8. Ability of using instruments.

9. Familiar with specifications of pumps & hydraulic motor.

10. Identifying supporting workshops duties & tasks.

11. Ability of innovation.

12. Welling to know new technologies.

13. Knowledge of oil specifications.

14. Familiar with joints types.

1. Honesty.

2. Implementation of management orders & instructions.

3. Applying safety rules.

4. Cooperate with colleagues.

5. Maintain tools & instruments.

6. Feeling with responsibility.

7. Comply with work rules.

8. Good treatments with others.

9. Diplomacy talk with customers.

10. Well dressing.

11. Accuracy in tasks achievement.

Trends and future concerns Tool, equipment and material

1. Adhere to follow up with technology developments.

2. Develop hydraulic systems.

3. Maintain working area clean.

4. Interested to introducing electronic technology.

5. Ability to design special tools.

1. Special tools for hydraulics. 2. Pressure measurement tool. 3. Flow rate measurement tool. 4. Temperature measurement tool. 5. Test bench for pumps & motors. 6. Safety equipments for hydraulic system. 7. Multitask meter. 8. Control valves test bench. 9. Oil viscosity tester.

Mechanical Tech Pneumatic Hydraulic Systems2

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