Challenge

Fender Design - Wheel Arch Challenge

WHEEL ARCH CHALLENGE

AIM:

To create a fender wheel arch and calculate the wheel arch area using SIEMENS NX CAD and to prove whether the given fender of car will pass the European standards or not.

FENDER:

A fender is different than a bumper because it's a metal structure that frames the wheel well of your car, instead of the front or back.
The fender extends between the front door to the front bumper covering the front wheels of the vehicle.
The primary function of a fender is to prevent dirt and debris from being thrown into the air by the tire.

WHEEL ARCH:

The wheel arch is an arch-shaped cavity in the body of a vehicle, which houses a wheel.
It has two important functions. It serves for the safety of pedestrians and other cars because the wheel is situated in the body of a vehicle.
The second function is to protect the car from the sticky materials, such as mud, may adhere to the smooth outer tire surface, while smooth loose objects, such as stones, can become temporarily embedded in the tread grooves as the tire rolls over the ground.
These materials can be ejected from the surface of the tire at high velocity as the tire imparts kinetic energy to the attached objects. For a vehicle moving forward, the top of the tire is rotating upward and forward and can throw objects into the air at other vehicles or pedestrians in front of the vehicle.

There are different regulations in this regard based on different regions. This case study has been done according to European regulation
As explained in the diagram below:

The minimum clearance L recommended at all the 5points on the wheel arch shown here should be 10mm, the points being (SB, SA, SC, SD, SE).

PROCEDURE:

According to the European standards, the design fender and wheel arc should pass the wheel guard requirement procedures.
To start the test, first create a plane with origin as centre of the wheel plane.
Then sketch using lines along with given dimensions as SA, SB, SC, SD and SE.
After sketching project, the intersection points on to the fender face.
Then use measure distance tool and calculate the clearance between sketch lines and wheel arc.

The clearance between SB line and wheel arc is 10mm also the line SB lies inside the fender so it is positive value.

The clearance between SA line and wheel arc is 9.9490mm also the line SA lies outside the fender so it is negative value.

The clearance between SC line and wheel arc is 0.1139mm also the line SC lies outside the fender so it is negative value.

The clearance between SD line and wheel arc is 2.8875mm also the line SD lies outside the fender so it is negative value.

The clearance between SE line and wheel arc is 5.9973mm also the line SE lies outside the fender so it is negative value.

RESULT:

CONCLUSION:

Hence from the above observations, since the positions SA, SC, SD, and SE have a clearance of less than 10mm which is the minimum requirement for the European regulations, it is clear that the front fender's wheel arch area does not pass the European Regulations.

Ship work like this
in your own course.