Challenge

Fender Design Challenge

SS Ajithkumar22 Aug 2022

OBJECTVE:

* The main objectof this project is it design the BIW of front fender using the fender skin data and master section as into data using NX CAD.

INTRODUCTION :

* Fender is the american english term for the part of automobile ,motorcycle or other vechicle body that frames a wheel well .its primary propose is to prvent sands ,rocks ,mud,liquids and other roads spray from being thrown into the air by the rotating tire.fender are typically rigid and can be damaged by contact with road surface.

* Sticly materials such mud ,may to smooth outer tire surface ,while smooth loose objects such as stones can be become temporarily embedded in the tread grooves as the tire rolls over the ground .

MOUNTS :

* A-Piller

* Bumper

* Sill

* Cowl

* Drip

THE IMPORTANCE CAR FENDER:

* The fender are an intricate sheet of metal covering the wheel well of you .

* Fenders are designed a manner to provide resistance against wind and other roadside debirs.

* When you travel on rough terrains tour vehicle might get minor scratches and dents which look no better .frequent road bumps can cause your cars paint to chips off which needs a paint job done .

* The car fender located on either side of the front and rear wheels .the front car fenders begin where the fornt door hinges run and end just before the bumber.the rear car fenders begin where the back doors close and terminate before the back bumbers.

TYPES OF FENDER :

* FULL BUMBER

* HALF BUMBER

FULL BUMBER TYPE :

* This type of bumber is not commonly used this design is more scrap producing one during manufacturing .the blank of steel or aluminum used to produce this type has more wastages.this type is not economically good to manufacture .

HALF BUMBER TYPE :

* This type of fenders most commonly used .the cons of full bumber type is satsified in this design and the bank area wastage while producing the part is drastically reduced by scrp managment .

PURPOSE OF FENDER :

Cleanliness : Protect the car occupants and passers by from items ,water ,mud ,snow ,ice thrown off the tires as you drives.

Safety : protects pedestrain from the wheel .its better to be it by a laterally moving fender than a rolling tre,keeps loose ,streaming iteams from being wrapped up in a rolling wheel .

Aerodynamics : Smooths the car profile so you dont get a lot of drag off the uncovered wheels .some fenders are enclosed on the side for this.

Design of Drip mount Area :

Master section :

SKIN DATA :

* It is most important mounting unit of fender .its connected with the engine compartment and therefore a lot of design constraints are to be followed while designing the drip area .it should have sufficient clearance from the front and rear end of the fender to accommodate the cowl mounting region and the headlamp housing unit respectively.

* From master section we have optimize value fpr draft ,drawing and assembly point to view .such as distance from the engine comportment is 10 mm height of fender.

Design criteria:

* Embosses are provided to increase the strength .

* Smooth curves are designed for easy manufacturing of panel .

* Ribs are provided to drip area mount to gives structural support and extra strength.

* All filters should maintain 2 or 3mm radius in most regions.

* Maintain extra 10 mm from the flat surface for the fastner holes.

* Thickness of fender is 0.75 mm

Drip mounting Area: