Topics

1

General Mach Discussion / Manual Tool Change with TTS

« on: November 04, 2013, 10:24:35 PM »

I finally got me some tool holders for repeating Zs. But I cant seem to get the control to accept the tool length offsets. Im using BobCADs no ATC Rev2 post. The code looks fine. Has the tool number along with a G43 H?. But when I run the program it uses tool 1s offset for all tools. I have set the tool length heights in the tool set up chart. The tool number box on the run program screen always shows tool 1 too. Shouldn't this change as the program calls for a different tool number? Also having a problem getting the machine to go to Z0 machine coordinate for the tool change position. It goes to some random spot (not the rapid plane but above a inch or so) above the part. I try setting the tool change position under the settings page but I'm not having any luck. What am I missing here?

2

Sieg Machines / X2 Motor Tuning Rapid Problem

« on: September 07, 2013, 11:00:15 PM »

I just recently bought a Grizzly G8689 (X2 Mill) off craigslist that had already been converted to CNC. I got everything but the computer that it was configured to. I am trying to set up my computer with Mach3 installed on it. Im having a problem when the Z goes to rapid upward. All 3 axes are driven by Nema 23 425's (KL23H286-20-8B) I have played with the velocity and acceleration settings and it works great when Im using the jog buttons on the control. So if I manually jog Z up it works perfectly fine. I do believe Im well under its max speeds because it was skipping steps around 350ipm. However as soon as I run a program that has a G00 Z+... it seems like its ignoring my motor tuning settings and just trys to max it out so it skips steps and Z might move .100" when it was programmed to move 1.000" I currently have my settings for all three axis at 2000 steps for one revolution, velocity at 200, and acceleration at 30. Not sure what "Step Pulse" and "Dir Pulse" are used for but they are both 0.

Also Im thinking I may have a problem with my Y axis stepper. When in idle it makes a clicking noise every 5 seconds. It also is a lot hotter than the X and Z axis steppers. Anyone know why it could be doing this.

Im new to Mach so any help is greatly appreciated!