Definately a scrapyard challenge

[motoxy]

Well counted my chickens that time. When i looked closley at the first cutting it seemed to be alright but not perfect. When I tried to use the machine again it kept locking up. I assumed it was ball nut, bearing housings, bent screws. So I have spent hours moving, drilling stripping and rebuilding with varing amounts of success but never really solving the probleml. At one time I thought i had it beat but when trying to cut a design whole sections were out of alignment. I had Michael round to help plus a retired cnc fitter all to no avail.
Today I decided to go back to basics and put up the dti and found I was losing steps on just one of my x drives. Chatting to dean I checked all the wiring and swapped the step settings from 1/8 to 1/4. The problem got worse and it would jam after 150mm. if I loosened the motor mounting nuts it worked. I could hear a ringing and thought nothing of it. Swapped the two motors and then neither would work properly. Finally I thought I would take note of deans advice and looked at the steps again. I changed it to 1/5 and instantly everything was just dandy.

I have put the machine back together and cut a new sign. It is so much better in quality and cleanness of cut.

All thats left to do is get the probe plate working but that will have to wait until another day.

Bruce