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SSS 7 – Automotive Chassis & Suspension Design
19 July 2016 Nguyen K. Ta Suspension Engineer TJM Products
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AGENDA 1. My background 2. Chassis 3. Suspension 4. Chassis and Suspension Integration 5. Testing of chassis and suspension 6. Q&A
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AboutMe
• Educa0on:– Cer0ficateIIinAutomo0veVehicleServicing
– BachelorinAutomo0veEngineeringwithHonours
• Work:– Automo0veMechanic
• PeterDaveyToyota• Caltex
– Automo0veEngineer• MonroeAustralia• TJMProducts
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Suspension
• Suspensionsystemtypes• Independent
– Doublewishbone– McPhersonStrut– Trailingarmmul0link
• Dependent– Torsionbeamrear– Rearliveaxle–5link
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Suspension
• Suspensionsystemtypes• Independent
– Doublewishbone– McPhersonStrut– Trailingarmmul0link
• Dependent– Torsionbeamrear– Rearliveaxle–5link
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Suspension
• Suspensionsystemtypes• Independent
– Doublewishbone– McPhersonStrut– Trailingarmmul0link
• Dependent– Torsionbeamrear– Rearliveaxle–5link
h]ps://www.auto123.tv/en/car-pictures/mazda/cx-5/2013/
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Suspension
• Suspensionsystemtypes• Independent
– Doublewishbone– McPhersonStrut– Trailingarmmul0link
• Dependent– Torsionbeamrear– Rearliveaxle–5link
PATENTUS7946600B2
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Suspension
• Suspensionsystemtypes• Independent
– Doublewishbone– McPhersonStrut– Trailingarmmul0link
• Dependent– Torsionbeamrear– Rearliveaxle–5link
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Suspension
• Suspensionsystemtypes• Independent
– Doublewishbone– McPhersonStrut– Trailingarmmul0link
• Dependent– Torsionbeamrear– Rearliveaxle–5link
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Suspension
• Suspensionsystemtypes• Independent
– Doublewishbone– McPhersonStrut– Trailingarmmul0link
• Dependent– Torsionbeamrear– Rearliveaxle–5link
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SuspensionPerformanceRequirements
• Providever0calcompliance• Suspensiontravel• Mo0onra0o• Bumpsteer• Cambergain• Adjustabilityrequired• Minimisetyreload
fluctua0on• Ensurevehicleresponds
favourablytocontrolforcesproducedbythetyres
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Compromise
Chassis
• Driverergonomics• Packagingwithothercomponents
• Torsionals0ffness• Weight
Suspension
• Track• Wheelbase• Suspensiontravel• Cambergain• Bumpsteer• Adjustability
TUGOFWAR
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Compromise
Chassis
• Driverergonomics• Packagingwithothercomponents
• Torsionals0ffness• Weight
Suspension
• Track• Wheelbase• Suspensiontravel• Cambergain• Bumpsteer• Adjustability
TUGOFWAR
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Compromise
Chassis
• Driverergonomics• Packagingwithothercomponents
• Torsionals0ffness• Weight
Suspension
• Track• Wheelbase• Suspensiontravel• Cambergain• Bumpsteer• Adjustability
TUGOFWAR
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ParametricModelling
CADModel
LINK
Kinema0cAnalysisModel
POINT X Y Z
RH-UBJ -5 550 350
RH-LBJ 0 550 50
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