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« on: September 29, 2014, 04:46:35 PM »
Hi All,
I have been having a problem with my spindle control. Lets say I have some gcode with 4 jobs and 2 different tools.
Job 1 Profile with 1/4" bit, S14000 - Runs fine (machine stops, I change bit, and cycle restart for Job 2)
Job 2 - Pocket with 1/2" bit S9000 - Runs fine and moves on to Job 3
Job 3 - Pocket with same 1/2" bit S9000 - SPINDLE SPEED INCREASES TO 24000 (my max setting), the DRO reads 9000 like it is supposed to thou.
Job 4 - Profile with same 1/2" bit S9000 - SPINDLE CONTINUES TO RUN AT 24000
Also if I try to use the MDI and issue a S9000 command it does not bring the spindle speed down.
I also noticed if the spindle is running at any speed and I enter in a different RPM or Spindle Override % the spindle will increase to 24000.
So far as a work around I just run each job separately, which is a pain to load the new gcode each time.
Is there a Gcode I'm missing, a settting in my post processor, or a setting on the VFD???
I'm using BOBCad V27, Mach 3 (latest version), VFD for spindle control.
Thanks,
Chuck