Hey guys,
To be honest, I'm not really expecting to find an answer to this, I feel I might have exhausted all of my choices already, but I'm going to ask here anyway, because the Mach community has surprised me in the past.
I started with a Saitek P880 game controller, which I've been using for quite a while. Every once in a while, one of the analog controls would 'stick', and the machine would keep moving instead of stopping. As you can imagine, that's not good for bits, or for fingers. I was convinced that it was because of a crack in the analog sticks, that it was physically sticking. I found a brand new controller (a Saitek P2500) on ebay, and to my surprise, not only does it still happen, but it's actually worse than before. It can happen any time, on any axis. Once in 20-30 movements it might happen.
I've gone through every setting I can find in Keygrabber, which I'm pretty familiar with, but had no luck. I tried installing the Saitek controller drivers, thinking maybe the generic windows drivers were causing problems, no help there either.
It came with a diagnostic program that shows that the joystick actually is centering, but for some reason, keygrabber or mach 3 decides to keep moving anyway. What's strange is, it will keep moving sometimes at a very slow rate, or sometimes close to rapid speed. It just depends on how fast you were moving the machine before releasing the analog stick back to center. All you have to do to stop it is lightly touch the axis again.
My machine is pretty large, and it's impossible to reach the keyboard many times while taking measurements, auto z zeroing and such. I've become pretty reliant on using the controller, but after having the thing smash blades into material, I really need to figure this out.
EDIT: I've tested, and this happens on my nice home pc, as well as the shop pc's.
Thanks for reading, and I look forward to any suggestions.
Z