make yourself a backlash free nut stuart76, get 2 nuts and a firm spring to go between them, and some sort of sleeve for them to ride in so that they cant rotate freely of each other. if you monkey with tat stuff you will see how it would work. I made a set of acme backlash free nuts for my foam cutter and was amazed at how many little annoyances it eliminated as compared to using backlash compensation in software. |