Fender Design - Wheel Arch Challenge
Fender Design- Wheel Arch:
Introduction:
- The wheel arc is an arch shaped cavity in the body of the vehicle which houses the wheel.
- It has the very to important function it serves the main work as to prevent the pedestrians and other cars because the wheel is satiated in the body of the car.
- The second function is to prevent the inside of the car from mud, water, dust.
- While smooth loose objects like stones can stuck temporarily embedded in the ribs of the tire and when the tires comes into motion then the wheel goes upward And it moves forwards the stones which are stuck in to ribs are getting loose from the ribs of the tire this may hit the pedestrian or the cars which are near.
There are different types of the wheel arc regulation to every region in that we are going to take example from three like
- Japan Regulations
- Europe Regulations
- U.S Regulations
Japan Wheel Arc Regulations:

- Measure the clearance of the “L” and measure in the two different position showed as (AREA K) produce clearance check chart to validate.
- The clearance must be greater than 5mm in between the area that is marked as “K”
- The wheel arc requirement the value should be more than 5mm at a line 30” forward and 50”rearward from the centeral vertical axis which is marked as “A”
Europe Wheel Arc Requirements:

- It is same measuring technique that as used in Japan wheel arc regulation except it needs to be measured in 5 different areas (SB,SA,SC,SD,SE)
- And the gap between the “L” should be 10mm at all the points to meet with the European regulation
U.S Wheel Arc Requirements:

- Even the US regulation used the same as the other two regulation but in US the measuring point is increased
- All the values should be greater than 5mm in order to meet the US REGULATION
The Given Prt File:

Calculating Wheel Arc Using Europen Req:




|
Section |
Distance/Clearance ‘L’ mm (Euro Req is Minimum 10mm Of Clearance) |
Result |
|
SB |
10mm |
Pass |
|
SA |
9.9489mm |
Fail |
|
SC |
0.1136mm |
Fail |
|
SD |
-2.9021 |
Fail |
|
SE |
-5.9751 |
Fail |
Conclution For Euro Req:
I have study from the above results, I have conclusion that the fender does not pass the European Regulations, as the Minimum Clearence value of 'L' between the fender wheel arch and wheel for vehicle and Safety is 10 mm and this design does't meet the requirement.
Calculating The Wheel Arc Using U.S requirements:


|
Section (In Degree) |
Distance/Clearance ‘L’ mm (US Req is Minimum 10mm Of Clearance) |
Result |
|
180 |
Nil |
Nil |
|
170 |
Nil |
Nil |
|
160 |
Nil |
Nil |
|
150 |
5.779mm |
Pass |
|
140 |
9.1700 |
Pass |
|
130 |
10.0 |
Pass |
|
120 |
10.0 |
Pass |
|
110 |
10.0 |
Pass |
|
100 |
10.0 |
Pass |
|
90 |
9.948 |
Pass |
|
80 |
9.390 |
Pass |
|
70 |
8.1624 |
Pass |
|
60 |
6.197 |
Pass |
|
50 |
3.444 |
Fail |
|
40 |
0.1136 |
fail |
|
30 |
-4.464 |
Fail |
|
20 |
-9.573 |
Fail |
|
10 |
-15.41 |
Fail |
|
0 |
-21.97 |
fail |
|
-10 |
-29.924 |
Fail |
|
-20 |
-37.167 |
Fail |
Conclution For U.S Req:
I have study from the above results, I have conclusion that the fender does not pass the U.S Regulations, as the Minimum Clearence value of 'L' between the fender wheel arch and wheel for vehicle and Safety is 5 mm and this design does't meet the requirement.
Calculating The Wheel Arc Using Japan requirements:


|
Section |
Distance/Clearance ‘L’ mm (Japan Req is Minimum 5mm Of Clearance) |
Result |
|
A |
9.9489 |
Pass |
|
B |
10 |
Pass |
|
C |
0.1136 |
Fail |
Conclution For Japan Req:
I have study from the above results, I have conclusion that the fender does not pass the Japan Regulations, as the Minimum Clearence value of 'L' between the fender wheel arch and wheel for vehicle and Safety is 5 mm and this design does't meet the requirement.
Final Conclution:
The Given Fender Design Does't Meet US , European And Japan Requirements.