Design of backdoor

AUTOMOTIVE DESIGN OF CAR BACK DOOR USING NX CAD

BACK DOOR - A door which is located at the rear side of a car which gives access for the boot space to store luggage, spare wheel etc.

These doors can be operated manually or electric powered. In most of the luxury cars door is electrically operated.

TYPES OF BACK DOOR

1 Top mounted door

2 Side mounted door

3 Bottom mounted door

COMPONENTS IN BACK DOOR

1 Inner panel

2 Outer panel (Upper/Lower)

3 Hinge reinforcement (LH/RH)

4 Gas stay reinforcement (LH/RH)

5 Wiper motor reinforcement

6 Latch reinforcement

DESIGN CONSIDERATION OF A BACKDOOR

1 Functional Requirement of Hinge and gas stay

2 Rear visibility criteria

3 Luggage volume

4 Crash Analysis

5 Bend Test, Dent Test, Torsion Test & Endurance Test

6 Rear Crash Regulation

7 Gap and flushness Requirements

Outer Upper

Outer Upper Panel

HEMMING - Hemming and seaming are two similar metalworking processes in which a sheet metal edge is rolled over onto itself. Hemming is the process in which the edge is rolled flush to itself.

Outer Lower Panel

HEMMING

Hemming relief

Inner panel

SEALING FLANGE

MASTIC SEALANT

HINGE EMBOSS

GAS STAY EMBOSS

WIPER MOTOR EMBOSS

LATCH AND STRIKER EMBOSS

LATCH TRAJECTORY

TOOLING AXIS

REINFORCEMENT

HINGE REINFORCEMENT

GAS STAY REINFORCEMENT

Wiper motor reinforcement

Latch reinforcement

DRAFTING ANYLASIS