Re: Can a PC operate a BOSS 5 or 6? (and a question)

I have problem with Z steps on my micro mill.
After rechecking and testing everything electrical
and mechanical, found that problem was with backslash
compensation(I'm using TurboCNC). I put zero there
and no lost steps on Z anymore.

Leo

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Raymond Heckert" <jnr@...> wrote:
>
> Check to make sure that the Z-axis isn't binding up somewhere. Also
check
> that the timing belt is 'drum-tight', and free of oil, grease, etc.
>
> RayHex
>
> -----Original Message-----
> Date: Monday, September 04, 2006 4:01 PM
> Subject: [CAD_CAM_EDM_DRO] Re: Can a PC operate a BOSS 5 or 6? (and a
> question)
>
>
> <snip> One problem I've had recently is the Z axis stepper keeps
> >losing steps. I wrote about a month ago and said it was losing
> >power (by the way thanks to all who replied, I don't get on here
> >very often), but a few changes in my acceleration profile, and it
> >seems to run pretty fast again. However all the adjustments I make
> >don't seem to fix the step loss problem. It doesn't lose them all
> >the time either. I'm running a 3d profiling program with about
> >65,000 lines of code, with the top of the part at Z0, and the bottom
> >at Z-.150. By the end of the program its usually off by about .050"
> >but sometimes as much as .200". Also this motor seems a lot hotter
> >than the Y and X motors, although they are all the same kind of
> >motor.
> >
> >I'm considering changing to servos, but don't have any experience
> >with them. Would I be able to change just the Z axis to a servo and
> >geck0 3whatever, and leave steppers on x and y? I found what looks
> >like a good deal on www.homeshopcnc.com and would like to know if
> >this servo would drive this machine.
>