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2.5.1 Operation Sequences for Program Restart
There are three restart methods: type 1, 2 and 3.
(1) Restart type 1
When feed hold and resetting due to a broken tool, etc.
Press the feed hold button and retreat to the tool
change position by manual means of MDI.
Press the reset key and suspend the present
processing.
Replace with a new tool.
For the tape mode, the head of program should
be searched on the operation screen or IC card
screen.
Search the block from which machining is to
restart using the type 1 method.
(Refer to 2.5.2 Restart Search Operations)
Set the program restart switch to ON.
Move the axes to the restart return positions.
(Refer to 2.5.3 Restart Position Return System)
Issue the M, S, T or B manual numerical
command. (Refer to 2.5.4 Manual Numerical
Commands with Program Restart)
Set the program restart switch to OFF.
Return to the automatic mode.
Press the automatic start button (cycle start
button).
Start
End
I-55
2. Monitor
2.5 Resuming the Program
Machining program
Feed hold, resetting
Operation and machining
restart on PROGRAM
RESTART screen
When the tool offset amount (tool length,
cutter) differs, change it on the tool offset
screen.
Operations on PROGRAM RESTART screen
For type A, the program No. cannot be omitted.
For type B, the program No. cannot be input.
Upon completion of the restart search, the M,
S, T or B function, restart distance to go and
restart position are displayed.
"RP" is displayed when the axes have finished
moving to the restart position and the
subsequent axes do not move in either the "+"
or "-" direction.
An operation error results even if there is one axis
which is not at the restart position for automatic
start (cycle start).
Note that if program restart automatic return
(#1302 AutoRp) is turned ON, all axes will
simultaneously return to the restart position when
the cycle is started.
Machining will restart after all axes have returned.
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