More then likely it is the clamping pressure. You can adjust the clamping pressure for the ratchet clamp on our machine. If you remove the crank handle you will notice a hole in the knob that it attaches to. Use the allen wrench that came with the machine and insert it into this hole. There is an allen screw it will fit into. Turn to the right to tighten the clamping pressure and to he left to loosen the clamping pressure. With the machine I use here at The GolfWorks I have had to tighten the clamp a little, especially for testing raw shafts.
Date published: 2016-06-07