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Topics - dongo13

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General Mach Discussion / Z AXIS ADVANCING TO PLUS DURING EMBOSS
« on: August 28, 2018, 06:07:33 PM »
 HI...NEWBIE HERE
I AM EMBOSSING A SIMPLE  IMAGE  ON 3X3 SQUARE WOOD STOCK WITH MACH3.
AFTER  ABOUT 100 ZIGZAGS THE Z AXIS HAS CLIMBED FROM
ZERO TO ABOUT  plus .080 THOUSANDTHS.
IF I LET THE PROGRAM FINISH... ABOUT 15 MIN.... THE BALL MILL WILL BE ABOUT
1/8" ABOVE THE STOCK.
I SENT THE SPINDLE BACK TO ZERO AND THE X AND Y ARE BOTH AT ZERO BUT
THE Z  IS AT  PLUS .080  ( THE DRO IS BACK TO ZERO FOR ALL AXIS )
A DOZEN DIFFERENT IMAGES REACT THE SAME.
I HAVE UPDATED MACH3, UPDATED POST PROCESSOR, USED DIFFERENT CAM PROGRAMS,
MOTORS HAVE BEEN TUNED, REPLACED STEPPER DRIVER FOR Z.
CAN SOMEONE TELL ME IN WHAT AREA TO LOOK IN TO FIND WHAT IS CAUSING THIS PROBLEM.
SUCH AS IN MACH3 CONFIGURATION OR POST PROCESSOR OR THE STEPPER MOTOR OR
MOTOR DRIVER OR ???.
I HAVE BEEN AT THIS OFF AND ON FOR ABOUT  3 MONTHS.
thanx...Don

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