Design of backdoor

Objective:

Design the inner and outer panel of the car backdoor using class A surface as reference.

Tools used:

NX CAD 12.0

Introduction:

The backdoor of a car is the rearmost part of the vehicle which gives access to the trunk space of the vehicle. The rear door also supports the reinforcements and added weights of the wiper motor, gas stay, tail lamp and latch and striker.

The backdoor is one of the closure commodities in BIW sheet metal design. The backdoor has a lot of components inside and is designed to incorporate them easily. It affects the rear visibility and luggage area.

The material used for door manufacturing depends on the budget and performance of the vehicle. Mostly aluminum and steel will be used where as low budget vehicle use steel which makes manufacturing process easy and cost efficient since it follows the stamping of molds.

Major parts of reinforcements,

01. Backdoor outer panel (Upper)

02. Backdoor outer panel (Lower)

03. Backdoor Inner panel

04. Hinge reinforcements

05. Gas stay reinforcement

06. Latch and striker reinforcement

07. Wiper motor reinforcement.

· Backdoor outer and inner panels were designed.

· Hinge mounts were provided for backdoor mount and gas stay mount.

· Latch and striker mounts were designed.

· Draft analysis was done for inner panel and found fine.

The complete report is attached in a pdf format below.