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

OPERATION
4. AUTOMATIC OPERATION
B–62764EN/01
616
Suppose that the TOOL WITHDRAW switch on the machine operators
panel is turned on when the tool is positioned at point A during execution
of the N30 block.
N30
A
Machine operators panel
TOOL
BEING
WITH-
DRAWN
RETRAC-
TION
POSITION
TOOL
WITH-
DRAW
TOOL
RETURN
Next, the tool withdrawal mode is set and the TOOL BEING
WITHDRAWN LED goes on. At this time, automatic operation is
temporarily halted. The tool is then retracted by the programmed
distance. If point A is the end point of the block, retraction is performed
after automatic operation is stopped.Retraction is based on linear
interpolation. The dry run feedrate is used for retraction.Upon
completion of retraction, the RETRACT POSITION LED on the
operators panel goes on.
N30
A
Point E
Machine operator’s panel
TOOL BE-
ING WITH-
DRAWN
RETRAC-
TION
POSITION
TOOL
WITH
DRAW
TOOL
RETURN
During retraction, the CRT screen displays PTRR and STRT.
MEM STRT MTN ***
0 : 00 : 00 PTRR
S PTRR blinks in the field for indicating states such as the program
editing status.
S STRT is displayed in the automatic operation status field.
S MTN is displayed in the field for indicating status such as movement
along an axis.
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