Fender Design

Fender is the us english term for the part of an automobile vahicle body that frames a wheel well the fender underside

its primary purpose is to prevent sand mud rocks liquid and other road spray from being thrown into the air by the rotating tire

when vahicle is moving tires pick up stones and others and gurt them in all direction fender are basically present to prevent to prevent any injuries to pedestrian and contain and the motion of these particles

More elabrorates design include fender skirit for enclosing the outside edge of the wheel well and stylized pontoon fender for exposed fenders.

they are;

* Design requirement fr the fender and its components

* Functional requirements

* Important requirements

* Drip area

* Wheel arch

* Baffle and ORVM mount area

* Frontal crash regulation and requirements

* GAP and FLUSHNESS requirements

they are two types of bumper;

1. Full bumper type

2. Half bumper type

Mounting

they are 5 mounting points in a fenders

*Body

*A piller

*Sill

*Cowl

*Drip

Fender wheelarch area

Japan requirements

measure clearance L of tire hub cap and fender in three difficult position within area k and produce clearance check to validate

European requirements

Measure CL L at section SA-SA SB-SB SC-SC SD-SD SE-SE And produce CL check the validate

Us regulation requirements

Make clearance check details an all position from 100*-100* and make the clearance check table

All values should be greater than 5mm to satisfy the regulations.

TOOL WORKABILITY:Hood side drip depth must be 40mm or less as maximum productivity is achieved at the depth of 40mm. If depth exceeds 40mm, rigidity bead is to be provided also forming is not feasible if depth exceeds 60mm due to wrinkling and spring back.