Calculating Pin Friction

  • Thread starter cs003
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  • #1
cs003
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Homework Statement



I'm trying to determine the friction of a pin joint that will be loaded differently depending on the position of the linkage.

Homework Equations



I know the equation for frictional force is F="mu"*N, where "mu" is either the coefficient of static or kinetic friction depending on if the surface is in motion, but I'm not sure how to apply that to a pin joint.

The Attempt at a Solution



Im assuming the pin to be "loose fitting" so that friction will be basically limited to a point on the surface. And if I know the force applied to the joint, can I just take that force as N in the equation and and find the appropriate "mu" to solve for the frictional force? I'm just looking for a decent approximation for the friction.
 

Answers and Replies

  • #2
cs003
10
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Since there have been no respones, should I assume that my logic is reasonable? Or just nobody has a decent idea about it either?
Any input would be appreciated.

Thanks.
 
  • #3
andrew.c
46
0
Only in 1st year, but that logic sounds right based on my lecture notes
 
  • #4
cs003
10
0
Thanks.

I'm really just looking for a rough estimate of friction, but I was mainly looking for input just to make sure I wasn't overlooking something too major.
 

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