Roof Design

Roof Design :

An automobile roof or car top is the portion automobile that above the passenger compartment protect vehicle occupant sun, wind, rain and other external elements.

Roof :-

Outer Panel :-

Front Roof Rail :-

Bow Roof :-

Rear Roof Rail:-

Front Roof Rail :-

Front roof rail created at the front of the roof provide strength to roof. Headroom clearance and the driver visiblity the two important factor considered while designing roof rail. The roof outer panel the help of mastic seal.

Bow Roof Rail :-

It used give strength to the area between front roof and centre roof rail, created in the area between the center roof rail and rear roof enough strenght. The roof length but the position bow roof is to be justified curvature study.

Center Roof Rail :-

It is created centre of the roof it is connected roof mastic seal.

Measure :-

To measure Rx, Ry, & Ly :-

To measure Ly :-

To Measure Lx :-

Section Modulus :-

Front Roof Rail :-

I = 1087.9 mm^4

Y = 114.2 mm^4 /2 = 57.14 mm

S = I/Y = 190.27mm^3

Bow Roof :-

I = 154.8 mm^4

Y = 74.97 mm^4/2 = 37.49 mm

S = I/Y =4.13 mm^3

Rear Roof Rail :-

I = 160.89 mm^4

Y = 75.84 mm/2 = 37.92 mm

S = I/Y =4.24 mm^3

Draft Analysis :-

In NX to check the sheet metal part we have designed can deep drawn there is an option called analysis performed based on colour ranges identifying zones the analyzed element where the deviation from the draft direction at any point corresponds specify values.

Conclusion :-

The given roof design is successfully executed and it will be explained clearly in the Siemens NX Cad.