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Topics - shapeshaver

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1
General Mach Discussion / G code method to Zero an axis
« on: July 18, 2014, 11:06:09 AM »
I have a custom machine that pulls a long length of coiled material through it along the Y axis.  The Y axis is stationary and does not move, the material is moved incrementally in the specified direction for each Y axis move command. I have 100' coils of material and the parts vary in length.

When I reach the end of the G code file, what can I include at the end of the file (or the beginning of the next G code file) to set the Y axis position back to zero or some defined value to be ready to cut the next file? I would need to leave the X and Z values unchanged.

2
General Mach Discussion / 4th Axis (B) is not homing
« on: January 16, 2014, 10:00:41 PM »
Hi all! 

I have a gantry machine with the A axis slaved to the Y.  I just hooked up a 4th axis (B) with a limit switch and got it all set up in mach so far as I can tell, but when I ref all home it does not move. The B axis home switch is set up in ports and pins/ inputs.  It tests good on the diagnostics screen when actuated. I can jog and control the axis just fine.

Does anyone have any idea why this isn't working?

Thanks!

3
General Mach Discussion / Setup for homing X and Z but not Y
« on: December 05, 2012, 12:20:02 PM »
Hello,

I have a custom cnc machine that pulls long lengths of material through it as it cuts. It uses X Y & Z axis with the y axis being the infinite axis that pulls material through. I just installed home switches on the X and Z axis. Y has no home. When I click Ref All Home, the Z homes but nothing else happens. The home switches show up on the diagnostics screen correctly when actuated.

I was wondering if the Y has to be homed before the X and that is why it never gets to homing the X axis. I have tried setting the Y axis as a virtual switch and setting Y's switch to active low but nothing has made a difference. I have looked for settings that might be selected on the General config and homing and limits screens but I can't see anything relevant that I haven't tried already.

I am using Mach version R3.043.067

Thanks
ShapeShaver

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