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23-12-2019 #1
I'm learning to program with VR Milling V5 and driving my VMC 1300. I've got to the point where I want to make a manual toolchange during a program.
I'm mostly using "G and M Programming for CNC Milling Machines" as my reference.
When I complete the moves with first tool, I programmed the toolchange with
M05
G91 G28 X0 Y0 Z50
M0 T06
similar to page 9 example
When the VMC gets to the G28 line, the machine starts to go up in Z, but makes a really bad noise and stops moving without going home.
I can just do the M0 T06 line without the preceding G28 line, but that makes a non-vectored return home which could crash
I tried variants of the G28 line like G91 G28 X0 Y0 Z0 without any joy in homing.
Of course I can G91 G00 X0 Y0 Z50 then M0 T06, but I'd like to know what I'm missing on G28 if there are any VR Milling users out there
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