FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

PROGRAMMING
21. AXIS CONTROL FUNCTIONS
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(2)When the lower dead point is changed during movement from the
upper dead point to the lower dead point
Previous upper dead point
New lower dead point
Previous lower dead point
The tool first moves to the previous lower dead point, then to the upper
dead point, and finally to the new lower dead point.
Once movement to the upper dead point has been completed, the
previous servo delay compensation is set to 0, and servo delay
compensation is performed based on the new data.
(3)When the upper dead point is changed during movement from the
lower dead point to the upper dead point
New upper dead point
Previous upper dead point
Previous lower dead point
The tool first moves to the previous upper dead point, then to the lower
dead point, and finally to the new upper dead point.
Once movement to the lower dead point has been completed, the
previous servo delay compensation is set to 0, and servo delay
compensation is performed based on the new data.
(4)When the lower dead point is changed during movement from the
lower dead point to the upper dead point
Previous upper dead point
Previous lower dead point
New lower dead point
The tool first moves to the upper dead point, then to the new lower
dead point.
Once movement to the upper dead point has been completed, the
previous servo delay compensation is set to 0, and servo delay
compensation is performed based on the new data.

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