MDI commanded Ttttt to move X axis, and Z MOVES too!!! Why?

doug925 · Nov 15, 2019

I am linking a video of the problem.
Syntax changes to the command line do not make any difference. T080808 or T0808 etc...
(FYI, I have the Z max limit set 1" from crashing into the tailstock)

Sometimes it will move both axis, but not always.
I am confused, to say the least.

Can anyone shed some light on this?

Thanks,
Doug

Mike1974 · Nov 15, 2019

doug925 said:
I am linking a video of the problem.
Syntax changes to the command line do not make any difference. T080808 or T0808 etc...
(FYI, I have the Z max limit set 1" from crashing into the tailstock)

Sometimes it will move both axis, but not always.
I am confused, to say the least.

Can anyone shed some light on this?

Thanks,
Doug

Is the offset call automatically bringing Z to the zero maybe? Have you tried removing or changing your Z offset and see if that makes a difference?

doug925 · Nov 15, 2019

Mike1974 said:
Is the offset call automatically bringing Z to the zero maybe? Have you tried removing or changing your Z offset and see if that makes a difference?

I assume you mean removing the Z value in Tool Offset? (or do you mean face of the part, offset?)

Mike1974 · Nov 15, 2019

doug925 said:
I assume you mean removing the Z value in Tool Offset? (or do you mean face of the part, offset?)

Yes, or changing it to see if the behaviour changes. In your vid the Z moves back, what would happen with no offset in Z, or change it by +1 or 2"..?

doug925 · Nov 15, 2019

Mike,

I'll give it a shot on Monday.
Thanks!

james siffel · Dec 24, 2019

What was the diagnosis? Im guessing the third offset callout, the machine is positioning itself in relation to the quadrant for the nose radius.

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MDI commanded Ttttt to move X axis, and Z MOVES too!!! Why?

doug925

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Mike1974

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james siffel

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