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Messages - mttpda

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1
General Mach Discussion / Re: A axis
« on: January 02, 2011, 06:42:08 PM »
Yep that is what I dediced to do.

I tried that earilier.  My current configuration, I have the A-Axis set up at 35 steps per unit (deg).  I can set the feedrate up to 3000 and send the A to 720 and it will fly. 

When I set it up as a spindle, I bump the step up to 12,600 (35 * 360) or one revolution per unit.   I give it a S1500 M3 and it creeps.  Any ideas what I'm doing wrong?


2
General Mach Discussion / Re: A axis
« on: January 02, 2011, 03:00:57 PM »
Thanks, I'll give it a shot

3
General Mach Discussion / Re: A axis
« on: January 02, 2011, 02:32:51 PM »
Wow, Thanks for the Quick response. 

My spindle is belt driven and I'm not using Mach3 to control it.  Is there a way I could make two configurations, one for normal a axis use and another for setting up my A-Axis as a spindle?

If so, how do I go about setting up a stepper as a spindle? 

Thanks in Advance. 

Matt

4
General Mach Discussion / A axis
« on: January 02, 2011, 12:02:18 PM »
I've got my A-Axis up and running just fine.  Now I want to do some grinding using my milling head and rotating stock in my A-Axis.  I need a way to turn on my Axis and rotate it like a spindle.  Then I want use my other three axis to drive a grinding wheel. 

Is there a way to just spin the a Axis? 

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