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

doug925

Titanium
Joined
Nov 21, 2002
Location
Houston
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

Diamond
Joined
Nov 5, 2014
Location
Tampa area
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

Titanium
Joined
Nov 21, 2002
Location
Houston
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

Diamond
Joined
Nov 5, 2014
Location
Tampa area
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"..?
 

james siffel

Cast Iron
Joined
Jan 19, 2011
Location
telford, pa
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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