Hello everybody,

I need some help, I have to meet a torque requirement as key characteristic on the print of my customer, the problem is due actualy I only can perform a torque test to regular studs and in this case my customer is requesting this test for a guide pin which is staked on a metal surface. Does anybody can give any idea in how can I measure this torque?

Your quick response is greatly appreciated.
:confused:

I've seen it done with a retrofitted self-adjusting wrench. I don't remember the exact way that it worked, but it had a force gauge on it and had a foot-long moment arm. So, if the shaft broke off at 20 pounds, it was 20 foot pounds. That particular torquemeter was built in-house, and was pretty cool.

The spec we were measuring was basically a G/NG where the torque had to be more than 15 ft-lbs. I'm not sure we could have gotten it qualified if we had to actually collect torque data.

Take a piece of bar stock (aluminum if possible) 2 feet long, dill a hole a few thousanths larger than the diameter of the shaft you want to test exactly in the middle of the bar stock ( one foot from each end ), fashion a set screw so you can grip the shaft. attach a force gage to either end and pull the force gage will read directly in foot (ounces/pounds) whatever your force gage reads in.

PS if you need to read in inch /(pounds/ounces) make the bar 2 inches long and do everything else the same.