Fender Design Challenge
Aim: To design front fender by using skin data from stylish team and designing using NX Cad
Front fender:
Fender is the US english term for part of an automobile that frames the wheel well. Its main puroposes is to shield wheels and protect both passenger's compartment and pedestrains safety.
Front fender is the car body part that frames the wheel, its main purposes is to prevent the sand, mud , rock particle being thrown into the air by rotating tire and it is close to engine compartment. When the car is moving , tires pick up stones and other hurl them in all directionFender is basically present to prevent any injuries to pedestrains and contain the motion of these particle.
Types of Fenders
Full Bumper type
In the full bumper type fender can do two half bumper type fender can produce in a single blank.These kind of fender is used in olded days it cover entire car body ,it protect from sand ,stons,,rock particle but this fender need more material compare to half bumper type.
Half Bumper type
Half bumper type is widely used because here we can reduce the weight of fender for pedesterian safety and the cost of material is also more. It looks asetically more for the customer
Design consideration
1. Embosses are provided to increase the strength of material.
2. The corner flanges are to be smoothened to get ease for productivity of the parts.
3. Fillet are provided 2-3mm to avoid sharp corner and edges.
4. Darts are provided on some areas to improve the stiffness of the mounting and reduce the NVH issues.
Fender Mounting area
1.Drip area mounting
2.Bumper mounting
3.Baffle mounting
4. A piller mounting
5. Sill mounting
Master section for Drip Area
Overview of Fender mounting
Drip area
Drip area is the main portion of the fender which provide more stability while designing the fender for position are calculated from the master section 300mm or less than provided from cowl mounting and wiper motor mounting is needed, that portion are left to design the fender, 150mm for front headlamps are left for fender design, Maximum depth for overall fender is 40mm it should not exceed more than that, if it exceed it led to spring back effect my get introduced in drip area mounting and also this end most drip area should be 10mm apart from the engine compartment for clearance puropses. proper holes are created in drip area for fixing it with frame of vehicle.
Bumper Mounting
This portion of the fender gets in contact with the front bumper of car in proper shape should be given for mounting ,as holes are created for fastening purpose.
Baffle mounting
This kind of mounting are provided on the wheel arc area of the fender on which baffle mounting are provided manily this prevent road spary like mud, stone particle. Mosely baffle made up of plastic are mounted on the fender so they are light in weight and also cost of manufacturing is also low . But in high class cars they are made up of other materials like alloy steel.
A-Piller mounting
A-Piller mounting on the fender should be provided to get in contact with A-Piller of the vehicle body ,to provided strength to the vehicle in case of frontal crash.
Sill mounting
This portion is located at the lower end of the fender which gets contact with fram of the car it provided proper sealing to the fender there by reducing NVH.
Different views for Fender
Isometric view
Right view
Front view
Top view
Conclusion:
Hence, Front fender is designed by using skin date as per master section of the fender by considering various mounting area on the fender.