汽车白车身设计策略资料

Bolt on armature. Crush cans design to absorb low speed impact avoiding damage to the BIW (bolt on parts excepted).
2 piece BIW sidemembers (with local reinforcements) - primary
modular design, etc.) Fuel filler pocket (plastic / steel) Trunklid hinges (swan neck / multi link)
Carry Over NMC1 Opportunities BIW Door systems
Structural Foam Solutions NMC1 based FE investigation proposal Potential NMC1 physical build and test FEA ‘head start’ using morphed NMC1 structure. Opportunity to reduce box section sizes (e.g. sill section) from NMC1 platform. Understand effect of VFra Baidu bibliotek engine package on front crash perfromance.
cope with thatcham regulations
Zone 2 – Primary energy absorption
structure
Zone 3 – Reduce cabin intrusion and maintain passenger
cell integrity
Side Impact Structure
Bolt on armature. Crush cans design to absorb low speed impact avoiding damage to the BIW (bolt on parts excepted).
energy absorption structure during front crash events
Cabin Front Crash Load Distribution Paths
A Post / Cantrail continuous HSS
box section
UHSS continuous front to rear sill box
section
HSS Centre Tunnel
HSS A Post Lower section with internal Hinge reinforcements
Front Crash Load Paths
Zone 3
Zone 2 Zone 1
Side View Bottom View
Key
Zone 1 – Designed to crush fully to
Roof Bow and Headers to carry loads across the car
HSS B Post Inner and Outer to resist bending
A Post / Cantrail continuous HSS
box section
UHSS Front Seat Crossmembers with steel Tunnel Reinforcements to carry loads across the car
Advanced body structure weight saving technologies Material selection (UHS Steels, Aluminium) New technologies Space Frame
Plastic Spare Wheel Well
Exterior Trim
controllable crash mechanism and provide required levels of stiffness for chassis mounting. Primary energy absorption structure – designed to minimise cabin intrusion and avoid any fuel tank damage.
NLC BIW Strategy
Contents
Link 1. Link 2.
Link 3. Link 4. Link 5. Link 6.
Link 7. Link 8.
NMC1 Crash Overview
Closures Materials (Steel / Aluminium / Plastic) Side door strategy (full length inner / outer pressings, rolled section frame,
1. NMC1 Crash Structure Overview
NMC1 Primary Front Crash Structure
Secondary load paths into the sill
and tunnel
Additional ‘anti intrusion’ panels (inside cabin)
designed to drive load into the A post structure
Primary crash back up structure – designed to minimise cabin intrusion. Extensive use HSS and
UHSS steel.
Steel Heelboard Reinforcement to carry
loads across the car
Constant UHSS sill section with internal
reinforcements
Rear Crash
Additional Reinforcements added locally to assist