Hood design-Week 2

Hood Design
AIM: To design hood & assemble with inner panel,latch assy & hinge assy.
Components to be designed- Inner panel with hinge & latch emboss, develop all necessary reinforcements, Provide mastic data, place stricker to its respective trajectory
Tools used: NX-12
Hood:
Hood or bonnet refers to the outer cover of the car which protects the engine. It acts as a door to view & repair engine & other parts. A latch or stricker used to hold the hood to the car.
Outer panel-0.75mm
Inner panel-0.75mm
Thickness-1.5mm
No sharp edge/conners
Emboss depth- 6-7mm

Hemming:
In sheet metal hemming means to fold the metal back on itself. Hemming is a forming operation in which the edges of the sheet are folded or folded over another part in order to achieve a tight fit. Normally hemming operations are used to connect parts together, to improve the appearance of a part and to reinforce part edges. Two types of hemming are there- Convetional die & Roll hemming

Hood Inner Panel:

Mastic pads & Emboss
Sheet metal embossing is a stamping process for producing raised or sunken designs or relief in sheet metal. This process can be made by means of matched male and female roller dies, or by passing sheet or a strip of metal between rolls of the desired pattern.
Mastic pads are used to seal the sheets of inner & outer panel.