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Author Topic: Mach3 Turn Rear Tool Post  (Read 677 times)

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Mach3 Turn Rear Tool Post
« on: November 30, 2019, 07:14:20 PM »

CNC wood lathe with rear tool post as X axis. The issue is the axis doesn’t make contact with material. It appears it’s cutting in the opposite direct. Is this basically a changing of perimeter issue? Or more then this.  Thanks for the help.

Offline RICH

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Re: Mach3 Turn Rear Tool Post
« Reply #1 on: December 01, 2019, 09:07:56 AM »
The tool table defines if one is using a front or rear tool post. Never mix the definition of
in the tool table by having some front and some rear. If memory is correct, rear tool offsets
are stored in G55. Mach defaults to G54 on start up.

See attached picture as it shows the difference in the X axis positive direction for a front and rear
tool post.

Have a read of the Mach3 Lathe Manual,