Case Study Final

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Introduction Lakshmi Technology and Engineering Industries Limited (LTE), was incorporated on the 18th October 2004 and operations were initiated soon after its founding. The company is engaged in the manufacture of precision parts, realization of subassemblies and assemblies, integrated production of subsystems and main systems for various sectors such as the Aerospace, Defense, and for high-end technology oriented sectors. In a short span of 10 years LTE has evolved as a supplier of complete modules and subsystems by excelling the customer requirements for various critical components in high technology domains. Further LTE engages itself in the manufacture of critical products such as motors, control valves, sensors & fluid control components. LTE aims at giving its customer complete satisfaction by achieving their requirements at the right time and in exact quality. LTE handles all aspects, right from the specification given by the customer to design/analysis and complete product realization and testing, making us a one stop solution for all our customers. We strive to further the relationship between our customers by developing dedicated resources for our customers to ensure the delivery and quality focus is maintained at all costs.

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Transcript of Case Study Final

Introduction Lakshmi Technology and Engineering Industries Limited (LTE), was incorporated on the 18th October 2004 and operations were initiated soon after its founding. The company is engaged in the manufacture of precision parts, realization of subassemblies and assemblies, integrated production of subsystems and main systems for various sectors such as the Aerospace, Defense, and for high-end technology oriented sectors. In a short span of 10 years LTE has evolved as a supplier of complete modules and subsystems by excelling the customer requirements for various critical components in high technology domains. Further LTE engages itself in the manufacture of critical products such as motors, control valves, sensors & fluid control components.

LTE aims at giving its customer complete satisfaction by achieving their requirements at the right time and in exact quality. LTE handles all aspects, right from the specification given by the customer to design/analysis and complete product realization and testing, making us a one stop solution for all our customers. We strive to further the relationship between our customers by developing dedicated resources for our customers to ensure the delivery and quality focus is maintained at all costs.

VISION: To innovate and provide superior products and services to enhance the value of human life. MISSION: Provide an environment, which propels every employee to innovate superior products and services adhering to ethical and moral values

Manufacturing facilities

Schaublin High Precision CNC lathe

LAKSHMI TECHNOLOGY AND ENGINEERING INDUSTRIES LTD.

CNC Turning & Milling Centers

LAKSHMI TECHNOLOGY AND ENGINEERING INDUSTRIES LTD.

DMG-GILDEMEISTER

CTX Alpha 300 turns mill

centres.

Control: CNC control

SIEMENS 840D.

12 Station Disc turrets

Live Tools :12

stations

Chuck Dia : 260mm

Turn Mills

Vertical Machining centers

DMG MILL TRUN

ASSEMBLY FACILITY

SOLDERING FACILITY

To Simulate the Environmental conditions such as temperature and humidity for testing and calibration of sub assemblies and assemblies based on customer requirements and standards . Specification: Temperature : -70 to +180°C Relative humidity: 10 to 95%

Climatic Chamber

Vibration Test Facility

To Simulate the Vibrational Environmental conditions such as Sine, Random and shock on sub assemblies and assemblies based on customer requirements and standards . Specifications : Sine force peak 35585 N

Random force rms (ISO5344) 35585 N

Half sine peak bump force 106752 N

Armature resonance (fn) 2650 Hz

Useful frequency range d.c. to 3000 Hz

Effective mass of moving element with flush inserts 31.6 kg

Inspection Facilities

Inspection facilities

LAKSHMI TECHNOLOGY AND ENGINEERING INDUSTRIES LTD.

FORM TALY SURF Contour measurement

Make : Taylor Hobson

Range : 200 X 400 mm

Least count : .8nm

Allowable error : .01µ

Roundness Measurement

Make : Taylor Hobson

Range : 200 X 400 mm

Least count : .8nm

Allowable error : .01µ

TALYROND

Metrology Equipments

CNC Contour Measuring System , ZEISS

Talyrond roundness measuring

ADVANTAGE OF SOLIDWORKS

User Friendly

Updated Toolbox Facility

Create 2 D drawings faster with automatic updates

Reduction in rejection and Rework

Drag and Drop facility

Reduce cost on testing

The usage of simulation testing reduces Process Timing

Excellent service and support rendered by Sim Technologies

PRODUCTS DESIGNED

USING

SOLIDWORKS

S.no Specification Details

1 Measuring ranges 0-3, 0-5, 0-7, 0-10, 0-20, 0-35, 0-70, 0-200 & 0-

330 Bar.

2 Mode of Measurement Absolute and Gauge

3 Safe Overload ( Proof Pressure)

4 For 0-3 Bar to 0-200 Bar 2× Nominal pressure

For 0-300-0330 Bar 500 bar

Nominal Excitation 10V DC ± 5mV

5 Full Scale Output 20 to 21 mV @10 volts excitation

6 Compensated Temperature Range -40˚ to +120˚C

7 Sensitivity 2-0.1mV/V

8 Nonlinearity + Hysteresis For 0-3 to 0-300 Bar - ≤.7% FSO

For 0-330 Bar - ≤.85% FSO

9 Hysteresis ≤ 0.5% FSO

10 Zero Imbalance + 0.50mV, -0

11. Insulation Resistance ≥ 100 Mega Ohms at 45 VDC

12 Continuity Resistance Mass: ≤ 2 Ohms at 10 mA

13 Pin To Pin ≤20m Ohms atr 10mA

14 Zero drift & Sensitivity drift ≤ 0.5% FSO

15 Noise due to Vibration ≤ 0.1% FSO

16 Pressure Inlet Male M14 × 1.5 6H Thread

Pressure transducers

Pressure transducer used for converting a pressure field into a electrical field that the output electrical energy is proportional to inlet pressure. This technology makes use of the changes in resistance that some material experience due to change in its stress or strain. As an unit the transducer comprises of bending beam pressure sensing mechanism, micro soldered stress/strain elements, glass to metal sealing , formed membranes, gold plated connectors etc.,

S.NO Specifications Description

1 Material of the body &

gear head

Stainless steel

2 Rated Voltage 27±4 V DC

3 Nominal Torque on

Output Shaft

8Da N cm

4. Nominal current at

Nominal torque

650mA

5. Current at Stall 3Amps

6 Output speed under

No load

130rpm

7 Speed at nominal Load 100±15%rpm

8 Temperature range -55 ˚C to 85 ˚C

Motor Dimensions

Overall Diameter 29 mm

Overall length 110mm

A Rare earth Permanent magnet DC motor fitted with a planetary gear head unit consists of 5 stage 0.2 & 0.3 modules of gears with a rotary output.

DC Gear Head Motor

S.NO Specifications Description

1. Rated Voltage 27±4 V DC

2 Nominal Load 50 da N

3 Nominal current at rated load 650mA

4. Current at Stall 3Amps

5. Speed at nominal Load 1.5mm to 2.5mm/s

6 Temperature range -55 ˚C to 85 ˚C

7 Minimum Life duration 1000 hrs. (intm . Opn)

8 Insulation Resistance ≥100mΩ at 100VDC

9 Storage Life 8 Years Min

10 Vibration Levels 13.5 g rms

Motor Dimensions:

Motor Diameter 29 mm

Overall length 114mm

Mounting Flange diameter 45mm

A Rare earth Permanent magnet DC motor fitted with a planetary gear head unit consists of 5 stage 0.2 & 0.3 modules of gears with a Linear output.

DC Electrical Actuator

ISRO SPACE (launch vehicle/satellite, components, subassemblies & assemblies) 1. Liquid Propulsion Systems Centre, Valiamala Trivandrum. 2. Liquid Propulsion Systems Centre Bangalore. 3. VSSC- Vikram Sarabhai Space Centre Trivandrum. 4. IISU- ISRO Inertial Systems centre, Bangalore 5. ISAC -ISRO satellite Centre ( Isac ) Aircraft parts and Defense organizations 1. HAL – Hindustan Aeronautics limited 2. HAL– Hindustan Aeronautics limited, Nasik- Aircraft division 3. HAL Hindustan Aeronautics limited, Lucknow Accessories division 4. HAL Hindustan Aeronautics limited, BANGALORE- Engines division 5. HAL Hindustan Aeronautics limited, Kanpur- Transport aircraft division. 6. HAL Hindustan Aeronautics limited, koraput- Engines division 7. Honeywell Aerospace 8. Moog Aerospace 9. DRDL -Defense Research Development Laboratory 10. Raja Ramanna Centre for Advanced Technology Indore 11. Bharat Electronics Ltd Bangalore 12. BDL – Bharat Dynamics limited. 13. Brahmos ltd – Thiruvananthapuram. 14. Ordnance Factory, Ambhajhari, Nagpur

OUR CUSTOMERS

Lakshmi Technology and Engineering Industries Limited No 20, SITRA – Kalapatti Road, Kalapatti, Coimbatore

Tamil Nadu 641 048 Ph. No. +91 422 2664100 Fax No. +91 422 2664121

E-Mail : [email protected]

T H A N K Y OU