Machsupport Forum
Mach Discussion => General Mach Discussion => Topic started by: scott0999 on December 03, 2017, 04:52:42 PM
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I have my Y axis motor on the back of the machine, X axis motor on the right side. you'd think just checking 'reverse' in homing/limits would be all it takes right? unfortunately, no :( :(
its either 1 thing or another. the jogging is backwards, the table display, or the actual parts. is there any way to actually make this work?
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Stand at the machine, so that the X axis is moving left to right.
When you jog in the X+ direction, the spindle should move to the right, and the DRO's should be counting up. The toolpath display should also show movement from left to right.
When you jog the Y axis, the spindle should move away from you, with the DRO's counting up. And again, the toolpath should match.
This assumes a moving gantry type machine, where the spindle is moving.
When questions like this come up, 99.9% of the time, the issue is the machine is setup with one or more axis moving the wrong way, even though the user thinks it's right.
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Hi,
you can define it anyway you please but there is a conventional assignment as ger21 has just pointed out. If you ever go to import some Gcode or get a wizard
to make code for you you'll need to stick to the conventional setup. It can be confusing.
A little tip that may help while you get it settled is to take an A4 size piece of paper and draw on it the X Y Cartesiasn co-ords just like a graph you did at school
and put that down on the mill table.
Craig
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Thanks for the replies everyone. I finally got it figured out.
I admit, part the reason was the fixed gantry confusing me (total newbie mistake). When the table was moving my mind wasn't on the same page as the table display. it assumes a moving gantry basically. hope that makes sense. so glad to get over this hurdle :)
jogging, table display, and actual parts work as expected now. I just have to keep reminding myself the crosshair is the spindle location on the table, and the gantry isn't moving hahhaa