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

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.