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Topics - twicecustom

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1
General Mach Discussion / G28.1 not hunting far enough
« on: July 11, 2011, 02:17:51 PM »
Hello, I am having some issues with my plasma. The machine has a floating torch holder, it references the z axis, moves the switch offset, then moves to my set pierce height.  It works as it should, except if the material warps.  Example, the torch is cutting and references at a higher warped point.  When the torch moves to a part that is lower, it calls the g28.1 and goes to reference the z.  It hunts for the switch and doesnt go far enough down, (like a parameter is stopping it) then goes up adding for the switch offset amount and to the pierce height.  Thus being way above the part.  Is there a way to make it go further? 
Heres a sample file.

N0000 (Filename: 1 circle test.tap)
N0010 (Post processor: MP1000-THC.scpost)
N0020 (Date: 24/06/2011)
N0030 G20 (Units: Inches)
N0040 G53 G90 G40
N0050 F1
N0060 (Part: 1 circle test)
N0070 (Process: Inside Offset, Layer 1, T1: Plasma, 0.03 in kerf)
N0080 M06 T1 F20  (Plasma, 0.03 in kerf)
N0090 G00 Z0.5000
N0100 X0.2160 Y0.5179
N0110 Z0.1500
N0120 G28.1 Z0.12
N0130 G92 Z0.0
N0140 G00 Z0.0520
N0150 G92 Z0.0
N0160 G00 Z0.1500
N0170 M03
N0180 G04 P1
N0190 G01 Z0.1250 F36
N0200 X0.0163 Y0.5304 F20
N0210 G02 I0.4837 J-0.0304 F20.0
N0220 M05
N0230 G00 Z0.5000
N0240 X0.0000 Y0.0000
N0250 M05 M30

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General Mach Discussion / Plasma fires and makes Estop
« on: February 18, 2011, 01:04:46 PM »
I have a problem that has been giving me a hard time.
I'm using steppers, Gecko G540, and CandCNC LCTCH.  When the program calls for torch on, it brings up Estop as soon as an arc fires.  But If I go to the torch handle and manually fire the torch it doesn't cause a problem.  I have unhooked all the motors from the G540 and it still faults out. I have no limit switches hooked up or turned on in the profile.  I ran good grounds in the star config to a 7' copper coated rod driven in the ground.  I changed Debounce way up and all over the place and it still doesn't work.. Anyone have any ideas???

Pages: 1