Hood design-Week 2

Hood Design :- Hood is one of Door of vehicle which open and close the engine compartment , it is the engine cover with assembly of outer pannel , inner pannel , hinges ,latch and strikker . The outer skin 'A' styling data given from OEM.by thr ref. of A surface we have to make inner pannel with embossing feature to desipate forces on the vehicle driver front . adding hinge position and opening angle to hood open and close with proper understanding of striker head impact . pedestrial sefety zone and adult and child head impact zone from ERO-NCAP sefety with understanding of interferance between outer pannel and inner pannel green zone sefety .

LATCH TRAJECTORY ;-Embossed surface plays an important role in car hood panel while crashing or accident of car. Because during the collision, hood is most affected part which sustains all the impact forces while crashing.

Mastic Data:-Mastic point are areas where the inner hood panel is joined with the outer panel hem using a mastic glue. This mastic glue keeps the inner panel

Emboss Definitions :-Embossing is a metal forming process for producing raised or sunken designs or relief in sheet material by means of matched male and female roller dies, theoretically with no change in metal thickness, or by passing sheet or a strip of metal between rolls of the desired pattern.

Deep-Drawing:-Deep drawing is a sheet metal forming process in which a sheet metal blank is radially drawn into a forming die by the mechanical action of a punch. It is thus a shape transformation process with material retention. The process is considered "deep" drawing when the depth of the drawn part exceeds its diameter.

HEMMING :-Hemming is the process of joining both the outer and inner panels together. The hemming process roles and wraps the hood outer

Hinges- for easy opening and closing of hood
Latch- to keep hood in correct closed position &
Support Rod- helps in keeping hood in open position.