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Brake Disc Design- Torque Acting On Wheel Stud Bolts

I have currently been working on designing a brake disc assembly. The current problem i am having is trying to workout the force acting on each wheel stud.

The frictional force of the brake pad is 3.2 KN with an efective radius of 105MM from the center of the disc

The 4 wheel studs concentric to the disc have a pcd of 65MM

What would be the force acting on each stud? i need to know this so i can further calculate the minimum bolt diameter. I will attach the work that i have done so far however i doubt the initial calcualtions to find the force acting on each bolt is correct.

the link to my current workings are as follows

http://i175.photobucket.com/albums/w...pqscan0001.jpg [Broken]

I have currently been working on designing a brake disc assembly. The current problem i am having is trying to workout the force acting on each wheel stud.

The frictional force of the brake pad is 3.2 KN with an efective radius of 105MM from the center of the disc

The 4 wheel studs concentric to the disc have a pcd of 65MM

What would be the force acting on each stud? i need to know this so i can further calculate the minimum bolt diameter. I will attach the work that i have done so far however i doubt the initial calcualtions to find the force acting on each bolt is correct.

the link to my current workings are as follows

http://i175.photobucket.com/albums/w...pqscan0001.jpg [Broken]

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