
B-63943EN-1/02 7.FEEDRATE CONTROL/ACCELERATION AND DECELERATION CONTROL
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Limitation
- Conditions for temporarily canceling the AI contour control mode
If one of the commands listed below is issued in the AI contour
control mode, the AI contour control mode is canceled temporarily.
If the system becomes ready for AI contour control after it is canceled,
the AI contour control mode is restored automatically.
• Positioning (rapid traverse)
• Single-direction positioning
• Spindle positioning
• Rigid tapping
• Hypothetical axis interpolation
• Threading cycle (threading and multiple repetitive canned
threading)
• When no move command is specified
• One-shot G code other than the following:
Tool offset
Cutter compensation vector retention
Cutter compensation corner rounding
Exact stop
- Functions that cannot be specified in the AI contour control mode
In the AI contour control mode, the functions listed below cannot be
specified. Before specifying these functions, turn off the AI contour
control mode; after the command ends, turn on the mode again.
• Threading
• Circular threading
• Variable lead threading
To specify threading, circular threading, and variable lead threading in
the AI contour control mode, set THA (bit 1 of parameter No. 1611).
However, the AI contour control mode is automatically cancelled.