Getting started with Linux, LinuxCNC and CNC
- sharpshooterser
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I ll try my best to explain what happens - in several occasions, I have loaded the desired tool (for instance T1) touched off the part for x and z, loaded the desired ngc file, press play and... the coordinates change - what I have set 30 seconds ago as lets say x10 z10 on DRO is now x-45z-128. Darn. Its not a problem if I work on one piece, but it is a problem when it happens when I m in a middle of the run, so I have to re-position everything. Or if (as it did) the carriage hits the tailstock supporting the work piece. What can cause it, and how to cure it?
Second question (I might have asked before) is for subroutines, the taper OD one. Its all good when you work right to left, from smaller od to larger - to chamfer the edge for instance. But what if I need it to do the opposite - working from right to left, normal right hand tool, to cut from larger od to smaller od? Is it possible, or does one have to work a separate subroutine for it?
Thanks fellas
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- tommylight
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Second, i can not help, sorry
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In most cases you will need to create or edit an existing subroutine such as one of the OD taper subs to change the direction of cut.But what if I need it to do the opposite - working from right to left, normal right hand tool, to cut from larger od to smaller od? Is it possible, or does one have to work a separate subroutine for it?
Often the authors will have error checking built into the sub to keep it from making unwanted moves.
If you have a sub that you wish to use in a different way / direction than it was designed after studying it you may find it is straight forward to edit it to a new sub for your desired outcome.
Rick G
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- sharpshooterser
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- sharpshooterser
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Thanks
edit, reading some more right now, it seems that homing (on a machine that doesnt have homing switches) set the G53 to zero? is that correct?
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- Todd Zuercher
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or G10 L2 Pn or G10 L20 Pn.
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- Todd Zuercher
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- sharpshooterser
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- sharpshooterser
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thanks!
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