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Analysis of Chassis Parts Using CATIA FEA - IBM

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<strong>Analysis</strong> <strong>of</strong> <strong>Chassis</strong> <strong>Parts</strong><br />

<strong>Using</strong> <strong>CATIA</strong> <strong>FEA</strong><br />

Lee Dong Jae<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


ITEM<br />

• Transmission Mounting Bracket<br />

• Lower Reaction Rod<br />

• Lower Control Arm<br />

- One Piece Type ()<br />

- One Piece Type ()<br />

- Two Piece Type<br />

• Rear Suspension - Torsion Beam Axle<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


TRANSMISSION MTG. BRACKET<br />

• Object<br />

- Reduction <strong>of</strong> Weight<br />

- Good Stress Condition<br />

• Mesh : TE4<br />

• Material : ALDC12<br />

- E = 70000 Mpa<br />

- Poisson Ratio = 0.346<br />

- Density = 7850 kg/<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


TRANSMISSION MTG. BRACKET ( OLD )<br />

• Weight : 1144 g<br />

• Max Stress : 300 Mpa<br />

8<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


TRANSMISSION MTG.BRACKET ( NEW )<br />

• Weight : 957 g<br />

• Max Stress : 340 Mpa<br />

6<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


TRANSMISSION MTG. BRACKET( NEW )<br />

• Weight : 993 g<br />

• Max Stress : 200 Mpa<br />

6<br />

5<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER REACTION ROD<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER CONTROL ARM (ONE PIECE TYPE)<br />

• Object<br />

- Reduction <strong>of</strong> Weight<br />

- Good Stress Condition<br />

• Material : Steel<br />

- E = 207×10E3 Mpa<br />

- Poisson Ratio = 0.300<br />

- Density = 7850 kg/<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER CONTROL ARM (MESH MODEL)<br />

• Mesh<br />

- Arm Body : QD4S, TR3S<br />

- Bush : RIG_BEAM<br />

Spring<br />

- Weld : RIG_BEAM<br />

• 6 Load Case<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER CONTROL ARM (ONE PIECE TYPE)<br />

• Object<br />

- Reduction <strong>of</strong> Weight<br />

- Good Stress Condition<br />

• Material : Steel<br />

- E = 207×10E3 Mpa<br />

- Poisson Ratio = 0.300<br />

- Density = 7850 kg/<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER CONTROL ARM (MESH MODEL)<br />

• Mesh<br />

- Arm Body : QD4S, TR3S<br />

- Bush : RIG_BEAM<br />

Spring<br />

- Weld : RIG_BEAM<br />

• 6 Load Case<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER CONTROL ARM (TWO PIECE TYPE)<br />

• Object<br />

- Reduction <strong>of</strong> Weight<br />

- Good Stress Condition<br />

• Material : Steel<br />

- E = 207×10E3 Mpa<br />

- Poisson Ratio = 0.300<br />

- Density = 7850 kg/<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER CONTROL ARM (MESH MODEL)<br />

• Mesh<br />

- Arm Body : QD4S, TR3S<br />

- Bush : RIG_BEAM<br />

Spring<br />

- CO2 Weld : RIG_BEAM<br />

- Spot Weld : CLAMP_2<br />

• 6 Load Case<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER CONTROL ARM (Von Mises Stress)<br />

Load Case<br />

• 1g Forward Braking • Overturning<br />

• 0.3g Reverse Braking • 2.5g Bump & 1g Forward Braking<br />

• 0.8g Cornering • 2.5g Bump & 0.8g Cornering<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER CONTROL ARM (Von Mises Stress)<br />

Load Case<br />

• 1g Forward Braking • Overturning<br />

• 0.3g Reverse Braking • 2.5g Bump & 1g Forward Braking<br />

• 0.8g Cornering • 2.5g Bump & 0.8g Cornering<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


REAR SUSPENSION - TORSION BEAM AXLE<br />

• Object<br />

- Reduction <strong>of</strong> Weight<br />

- Good Stress Condition<br />

• Material : Steel<br />

- E = 207×10E3 Mpa<br />

- Poisson Ratio = 0.300<br />

- Density = 7850 kg/<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


REAR SUSPENSION- TORSION BEAM AXLE (MESH MODEL)<br />

• Mesh<br />

- Axle Body : HE8, WE6<br />

QD4S, TR3S<br />

- Bush : RIG_BEAM, SPRING<br />

- CO2 Weld : RIG_BEAM<br />

- Damper, Spring : BAR<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


REAR SUSPENSION - TORSION BEAM AXLE<br />

Torsion Test<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


LOWER CONTROL ARM (MESH MODEL)<br />

DAEWOO MOTOR Co. LTD<br />

BUPYONG TECHNICAL CENTER<br />

CHASSIS DESIGN DEPT.


•<strong>CATIA</strong> <strong>FEA</strong> () <br />

• DATABASE <br />

• DATABASE

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