Re: Loosing position and need help...

I first upgrade to Version 4.x of TurboCNC.

There are many changes in the backend of the code along with a new
GUI interface. Then run your test again.

Joel

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "mmurray701" <gmurray@n...>
wrote:

>
> I have a Taig CNC mill powered by G320's, Electrocraft E543 servos
> with renco encoders setup in a 2:1 reduction. Running off a P133 in
> dos with TurboCNC V3 (not sure exactly what version but its the
> latest release of V3)
>
> I'm picking up a few thousandths on long machining files. If I run
> an hour long program i could be off by a few thousanths on X or Y,
> seems to vary depending on what file i'm running. I've written all
> sorts of test files and can never seem to duplicate the problem.
>
> I have no idea whats causing it, tried almost everything to fix it
> with no luck and its really starting to turn me off from CNC
> machining. I thought I knew enough about this to solve it but no
> luck. Have to turn to the experts on here for help.
>
> The fault lights are not comming on, I've tried a different
> computer, and shielded cables are used everywhere so picking up
> steps is unlikely. Anybody have any suggestions on something else

to

> try? When I did switch computers, i did keep the same hard drive,
> should i format it and start fresh? Anything else?