Originally Posted by Chris D I am working on a new tool holder system for my bench top lathe. I am trying to get a handle on how much clamping force I need for the tool blocks. Currently, the tool bits are held in the block with three 1/4-20 set screws, so that is going to be my baseline.
I am wondering if someone can tell me how much force is applied to the tool bit using one 1/4-20 setscrew with a 4" long allen wrench.
If you have the formula, I would appreciate a walk through on it too so I don't have to bug everyone again as the design progresses.
Thanks!
Chris |
Check out
this link or
this one for a bolt torque calculator. Google
bolt torque calculator for other hits.