g76 Question abuout clearance from material

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hhandresen
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24 Mar 2017 09:45 #90181 by hhandresen

g76 Question abuout clearance from material was created by hhandresen

Hi,

I'm trying to do thread via g76, but after a cut, when the tool is going back to beginning, it's not far away from the material and therefore chrashing the thread.

I can't find the correct parameter to set the clearance

Anyone can help ?

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(I'm doing 20mm thread and the tool go out to 20mm when returning to start.)

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andypugh
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24 Mar 2017 13:19 #90207 by andypugh

Replied by andypugh on topic g76 Question abuout clearance from material

It is the "I" number. According to the docs:
linuxcnc.org/docs/2.7/html/gcode/g-code.html#gcode:g76
It should be a negative number for external threads.

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