Design of backdoor
AIM
The back door panel, the d-pillar, is the outermost component of the car and a part of the 5-door hatch. The design is made up is for a tailgate a coin termed for the back door assembly for SUVs' and hatchbacks. Interior of it is the car speakers, luggage housing facilities etc while the car exterior has the tail lights, indicator lights, registration plates, gas stay and the rear windshield.
COMPONENT INVOLVES IN THE DESIGN
As in general for any BIW fixture rear hatch also has an inner panel and an outer panel. In the inner panel the hinge reinforcement, gas stay locator, mastic addition, latch striker positioning, reinforcment embosses etc. The inner and outer panels are joined together through a mechanical process, hemming. So in general, there are
- Inner panel
- Outer panel
- Gas stay reinforcement
- Hinge reinforcement
- Latch striker position
CLASS A SURFACE
The class A surface from the stying team is analysed for any surface corrections to be made and the flatness, surface continuity are inspected and the tooling direction and undercuts if required any are carried out initially.

INNER PANNEL
The inner panel is provided with reinforcements and embosses and relief areas. The inner panel is designed with its structural rigidity and load bearing capacity while the outer panel being for the styling, look and feel purposes. Initially, the inner panel is obtained by offsetting the outer panel. Then the sealing flange is created to the inner pane

which is then connected to the inner using the connecting fiange

the inner panel with the sealing flange connected via the connecting flange and cut section for the tail lamp position
emboss definitions are provide by the inner pannel

hing and gas stay relief cut section are provide for the positioning their respective reinforcement


HINGE REINFORCEMENT


REINFORCEMENT FOR GAS STAY


VIPOR MOTOR REINFORCEMENT


INNER PANEL

INNER OUTER PANEL

HEMMING

OUTER PANEL WITH HEMMING


CONCLUTION
ALL design are draw by the given measurement an all dimention are also in same it completed by using the software nx cad