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7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 1/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
PR 6412 COMPUTER AIDED MACHINE DRAWING
LABORATORY
REGULATION 2013
LAB MANUAL
DEPARTMENT OF AUTOMOBILE ENGINEERING
SEMESTER – IV
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 2/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
PR6412 COMPUTER AIDED MACHINE DRAWING LABORATORY L T P C
0 0 3 2
OBJECTIVES:
• To introduce the students the Indian standard code of practice for engineering drawing and
general symbols and abbreviation used on the drawing.
• To provide hands on experience to develop 2D and 3D models of engineering components.
LIST OF EXPERIMENTS
1. Drawing of automobile components such as piston, connecting rod, valves, manifold and
crank shaft.
2. Assembly drawing of screw jack, piston – connecting rod assembly, valve assembly, clutch
assembly and gear box assembly
.
OUTCOMES
• Ability to develop engineering drawing for the industrial component using Indian Standard
code of practice.
TOTAL: 45 PERIODS
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 3/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
INDEX
S.No Date Name of the Experiment Mark Signature
1CODE OF PRACTICE FOR ENGINEERING
DRAWING
2 STUDY OF WELDING SYMBOLS
3 STUDY OF RIVETED JOINTS
4STUDY OF SCREW THREADS, KEYS AND
FASTENERS
5STUDY OF DRAFTING SOFTWARE
(AUTOCAD)
6 BASIC 2D DRAWING – Auto CAD
7 SLEEVE AND COTTER JOINT
8 SIMPLE ECCENTRIC
9 SCREW JACK
10 CONNECTING ROD
11 PISTON
12 SINGLE PLATE CLUTCH
13 MULTI PLATE CLUTCH
14 AUTOMOBILE GEAR BOX
15 AIR VALUE
16 STUFFING BOX
17 CRANK SHAFT
TOTAL
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 4/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EXP NO: 01 CODE OF PRACTICE FOR ENGINEERING DRAWING
DATE:
AIM:
To study the code for engineering drawing.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 5/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
Thus the code and symbols of practice for Engineering drawing were studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 6/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:2 STUDY OF WELDING SYMBOLS
DATE:
AIM:
To study the welding symbols.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 7/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 8/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
Thus the welding symbols were studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 9/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:3 STUDY OF RIVETED JOINTS
DATE:
AIM:
To study the riveted joints.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 10/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 11/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
Thus the study of riveted joints was studied successfully.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 12/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:4 STUDY OF SCREW THREADS, KEYS AND FASTENERS
DATE:
AIM:
To study the Screw Threads, Keys and fasteners.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 13/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 14/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 15/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 16/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 17/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 18/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 19/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 20/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 21/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 22/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 23/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 24/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 25/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 26/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 27/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 28/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
Thus the studies of Screw threads, keys and fasteners were studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 29/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:5 STUDY OF DRAFTING SOFTWARE (AUTOCAD)
DATE:
AIM:
To study the AUTOCAD Software.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 30/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 31/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
Thus the AutoCAD software was studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 32/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:6 BASIC 2D DRAWING – Auto CAD
DATE:
AIM:
1. To understand drawing standards
2. Draw basic sketches and constraint them using Geometrical and Dimensional
constraints
PROCEDURE:
1. Open Auto CAD; Draw the Shape given in the Fig.1.
2. Add relations and Smart dimensions and make sure that the Sketch is Fully
constraint
3. Change the dimensions according to Fig.1
4. Repeat the same for Fig.2 to Fig.6
Commands used:
Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show, View
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 33/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The basic sketches were drawn using AUTOCAD as shown in Figures and
the required parameters were added to modify the dimensions at later stage if
necessary.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 34/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:7 ASSEMBLY OF SLEEVE AND COTTER JOINT
DATE:
AIM:
1. To create 3D models of Sleeve and Cotter Joint parts using Auto CAD.
2. To Create the Assembly of Sleeve and Cotter Joint using Auto CAD.
3. To understand the type of fits and tolerances used in Assembly.
PROCEDURE:
1. The modeling concepts – Solid modeling, Surface modeling were trailed in Auto
CAD/CATIA by creating 3D model of Sleeve and cotter Joint-connecting rod, sleeve,cotter.
2. The options available in each Feature command are tried to understand the
capabilities of each command.
3. Design Methods: Bottom-up Design, Top down Design are discussed.
4. Assembly of Sleeve and Cotter Joint was created using Bottom-up design approach.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show,
and View
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Sweep, and Loft,
Fillet/Round, Chamfer, and Draft, Hole - Simple and Hole Wizard, Hole Series, Scale,
Shell, Rib, Dome, Freeform, Shape, Deform, Indent,
Flex, Pattern and Mirror, Curves, Fastening Features
Assembly Commands: Insert, Component, Existing Part/Assembly
Mating Commands: Angle, Coincident, Concentric, Distance, Parallel, Perpendicular,
Tangent
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 35/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 36/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 37/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of Sleeve and Cotter Joint parts are created using Auto
CAD/CATIA. The type of fits and tolerances used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 38/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:8 ASSEMBLY OF SIMPLE ECCENTRIC
DATE:
AIM:
1. To create 3D models of SIMPLE ECCENTRIC parts using Auto CAD.
2. To Create the Assembly of Simple Eccentric using Auto CAD.
3. To understand the type of fits and tolerances used in Assembly.
PROCEDURE:
1. The drawings of Simple Eccentric parts (straps, sheave, shim, cheese headed bolt,
M12 nut, M12 lock nut) are studied.
2. 3D models of all the parts are created using Auto CAD.
3. The Assembly of Simple Eccentric was created as per the drawing specification.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show,
and View.
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Fillet/Round, Chamfer,
Hole - Simple, Pattern,
Fastening Features.
Assembly Commands: Insert, Component, Existing Part/Assembly.
Mating Commands: Coincident, Concentric, Distance.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 39/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 40/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 41/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 42/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 43/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of Simple Eccentric parts (straps, sheave, shim, cheese headed bolt,
M12 nut, M12 lock nut) are created using Auto CAD/CATIA. The type of fits and
tolerances used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 44/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:9 ASSEMBLY OF SCREW JACK
DATE:
AIM:
1. To create 2D models of SCREW JACK parts using Auto CAD.
2. To Create the Assembly of Screw Jack using Auto CAD.
PROCEDURE:
1. The drawings of Body, Nut, Screw Spindle, Cup, Washer Special, CSK Screw, and
Tommy Bar are studied.
2. 3D models of Body, Nut, Screw Spindle, Cup, Washer Special, CSK Screw, and
Tommy Bar are created using Auto CAD.
3. The Assembly of Screw Jack was created as per the drawing specification.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations,
Show,and View
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Fillet/Round, Chamfer,
Hole - Simple, Pattern,
Fastening Features
Assembly Commands: Insert, Component, Existing Part/Assembly
Mating Commands: Coincident, Concentric, Distance
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 45/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 46/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 47/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of Screw Jack parts (Casting, Nut, Cup, Tommy bar, Setscrew, Screw,
washer) are created using Auto CAD.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 48/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:10 ASSEMBLY OF CONNECTING ROD
DATE:
AIM:
1. To create 2D models of Connecting Rod parts using Auto CAD.
2. To Create the Assembly of Connecting Rod using Auto CAD.
3. To understand the type of fits and tolerances used in Assembly.
PROCEDURE:
1. The drawings of Connecting Rod, Bush, Stud, Pin, Bearing Brasses, Distance Piece,
Cover, Washer, Nut, and Split pin are studied.
2. 2D models of all the parts are created using Auto CAD.
3. The Assembly of Connecting Rod was created as per the drawing specification.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show,
and View.
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Fillet/Round, Chamfer,
Hole - Simple, Pattern,
Fastening Features.
Assembly Commands: Insert, Component, Existing Part/Assembly.
Mating Commands: Coincident, Concentric, Distance.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 49/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 50/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 51/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 52/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 53/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 54/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of Connecting Rod parts (Connecting Rod, Bush, Stud, Pin, Bearing
Brasses, Distance Piece, Cover, Washer, Nut, and Split pin) are created using Auto
CAD. The type of fits and tolerances used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 55/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:11 ASSEMBLY OF PISTON
DATE:
AIM:
1. To create 2D models of Piston parts using Auto CAD.
2. To Create the Assembly of Piston using Auto CAD.
3. To understand the type of fits and tolerances used in Assembly.
PROCEDURE:
1. The drawings of Piston, Piston Pin,skirt and crown are studied.
2. 2D models of all the parts are created using Auto CAD.
3. The Assembly of piston was created as per the drawing specification.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show,
and View.
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Fillet/Round, Chamfer,Hole - Simple, Pattern,
Fastening Features.
Assembly Commands: Insert, Component, Existing Part/Assembly.
Mating Commands: Coincident, Concentric, Distance.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 56/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 57/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 58/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of piston parts are created using Auto CAD. The type of fits and
tolerances used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 59/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:12 ASSEMBLY OF SINGLE PLATE CLUTCH
DATE:
AIM:
1. To create 2D models of Single plate clutch using Auto CAD.
2. To Create the Assembly of Single plate clutch using Auto CAD.
3. To understand the type of fits and tolerances used in Assembly.
PROCEDURE:
1. The drawings of Single plate clutch are studied.
2. 2D models of all the parts are created using Auto CAD.
3. The Assembly of Single plate clutch was created as per the drawing specification.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show,
and View.
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Fillet/Round, Chamfer,Hole - Simple, Pattern,
Fastening Features.
Assembly Commands: Insert, Component, Existing Part/Assembly.
Mating Commands: Coincident, Concentric, Distance.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 60/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 61/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 62/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of single plate clutch are created using Auto CAD. The type of fits and
tolerances used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 63/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:13 ASSEMBLY OF MULTI PLATE CLUTCH
DATE:
AIM:
1. To create 2D models of Multi plate clutch using Auto CAD.
2. To Create the Assembly of Multi plate clutch using Auto CAD.
3. To understand the type of fits and tolerances used in Assembly.
PROCEDURE:
1. The drawings of Multi plate clutch are studied.
2. 2D models of all the parts are created using Auto CAD.
3. The Assembly of Multi plate clutch was created as per the drawing specification.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show,
and View.
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Fillet/Round, Chamfer,
Hole - Simple, Pattern,
Fastening Features.
Assembly Commands: Insert, Component, Existing Part/Assembly.
Mating Commands: Coincident, Concentric, Distance.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 64/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 65/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of multi plate clutch are created using Auto CAD. The type of fits and
tolerances used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 66/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:14 ASSEMBLY OF AUTOMOBILE GEAR BOX
DATE:
AIM:
1. To create 2D models of Automobile Gear Box using Auto CAD.
2. To Create the Assembly of Automobile Gear Box using Auto CAD.
3. To understand the type of fits and tolerances used in Assembly.
PROCEDURE:
1. The drawings of Automobile Gear Box are studied.
2. 2D models of all the parts are created using Auto CAD.
3. The Assembly of Automobile Gear Box was created as per the drawing specification.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show,
and View.
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Fillet/Round, Chamfer,Hole - Simple, Pattern,
Fastening Features.
Assembly Commands: Insert, Component, Existing Part/Assembly.
Mating Commands: Coincident, Concentric, Distance.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 67/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 68/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 69/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 70/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of Automobile Gear Box are created using Auto CAD. The type of fits
and tolerances used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 71/99
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 72/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of Air value are created using Auto CAD. The type of fits and tolerances
used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 73/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:15 ASSEMBLY OF STUFFING BOX
DATE:
AIM:
1. To create 2D models of stuffing box using Auto CAD.
2. To Create the Assembly of stuffing box using Auto CAD.
3. To understand the type of fits and tolerances used in Assembly.
PROCEDURE:
1. The drawings of stuffing box are studied.
2. 2D models of all the parts are created using Auto CAD.
3. The Assembly of stuffing box was created as per the drawing specification.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show,
and View.
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Fillet/Round, Chamfer,Hole - Simple, Pattern,
Fastening Features.
Assembly Commands: Insert, Component, Existing Part/Assembly.
Mating Commands: Coincident, Concentric, Distance.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 74/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
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RESULT:
The 2D models of Stuffing box are created using Auto CAD. The type of fits and
tolerances used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 76/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
EX.NO:16 ASSEMBLY OF CRANK SHAFT
DATE:
AIM:
1. To create 2D models of crank shaft using Auto CAD.
2. To Create the Assembly of crank shaft using Auto CAD.
3. To understand the type of fits and tolerances used in Assembly.
PROCEDURE:
1. The drawings of crank shaft are studied.
2. 2D models of all the parts are created using Auto CAD.
3. The Assembly of crank shaft was created as per the drawing specification.
COMMANDS USED:
Sketcher Commands: Line, Circle, Arc, Fillet, Trim, Smart Dimension, Relations, Show,
and View.
Features Commands: Extrude (pad) and Cut, Revolve (shaft), Fillet/Round, Chamfer,Hole - Simple, Pattern,
Fastening Features.
Assembly Commands: Insert, Component, Existing Part/Assembly.
Mating Commands: Coincident, Concentric, Distance.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 77/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
RESULT:
The 2D models of crank shaft are created using Auto CAD. The type of fits and
tolerances used in Assembly are studied.
7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
http://slidepdf.com/reader/full/pr6412-computer-aided-machine-drawing-lab-manual 78/99P P R R E E P P AAR R E E D D B B Y Y P P ..M M ..S S U U B B R R AAM M AAN N I I AAN N AAS S S S T T P P R R O O F F ,, D D E E P P T T O O F F AAU U T T O O M M O O B B I I LLE E E E N N G G I I N N E E E E R R I I N N G G
MODEL QUESTIONS
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7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
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7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
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7/21/2019 PR6412 COMPUTER AIDED MACHINE DRAWING LAB MANUAL
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