
22.AUTOMATIC OPERATION NC FUNCTIONS B-63322EN/03
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22.6.6 Tool Withdrawal and Return
These functions are used for replacing tools damaged retraction of
tools for confirming the cutting conditions, and recovering the tools
efficiently to restart the cutting.
Also, the escape operation can be performed with the tool retract signal
by previously setting the escape amount (position) with a program.
This can be used for retraction for detecting tool damage.
1 Input the tool retract signal during executing the automatic
operation.
Then, the automatic operation is halted and the escape operation
(retraction) is performed to the escape position commanded by the
program.
2 Input the tool retract signal to initiate the retract mode.
3 After that, switch the automatic mode to the manual mode to move
tools with manual operation such as the jog feed and handle feed.
A maximum of 10 points can be automatically memorized as
travel path.
4 Input the tool recovery signal to return the tool to the retraction
position in the opposite direction along the path moved by manual
operation automatically (recovery operation).
5 Perform the cycle start to return the tool to the position where the
tool retract signal was entered (repositioning).
X
Y
Z
: Position where the TOOL WITHDRAW switch is turned on
: Programmed position
: Position to which the tool is retracted by manual operation
: Retraction path
: Manual operation (withdraw path)
: Return path
: Repositioning