Fanuc Series 15i/150i-MA (Programming) Operators Manual

B-63324EN/03 PROGRAMMING 19.AXIS CONTROL FUNCTIONS
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- PMC axis
When a chopping axis is selected as a PMC axis, chopping cannot be
started.
- Look-ahead acceleration/deceleration before interpolation
Look-ahead acceleration/deceleration before interpolation cannot be
applied to a chopping axis.
Example
G90 G81.1 Z100. Q-25. R10. F3000 ;
- Perform rapid traverse to position the tool to Z110. (point R).
- Then, perform reciprocating movement along the Z-axis
between Z100. (upper dead point) and Z75. (lower dead
point) at 3000 mm/min. Chopping override is enabled.
To cancel chopping, specify the following command:
G80 ;
- The tool stops at point R.
Point R
Upper dead point
Lower dead point
Time
(Z75.)
(Z100.)
(Z110.)

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