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Tools | Tool data
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
Tool change
Automatic tool change
Refer to your machine manual.
The tool change function can vary depending on the
individual machine tool.
If your machine tool has automatic tool changing capability, the
program run is not interrupted. When the control reaches a tool call
with
TOOL CALL
, it replaces the inserted tool by another from the
tool magazine.
Automatic tool change if the tool life expires: M101
Refer to your machine manual.
The function of
M101
can vary depending on the
individual machine tool.
When the specified tool life has expired, the control can
automatically insert a replacement tool and continue machining
with it. Activate the miscellaneous function
M101
for this.
M101
is
reset with
M102.
Enter the respective tool life after which machining is to be
continued with a replacement tool in the
TIME2
column of the
tool table. In the
CUR_TIME
column the control enters the current
tool life. If the current tool life is higher than the value entered
in the
TIME2
column, a replacement tool will be inserted at the
next possible point in the program no later than one minute after
expiration of the tool life. The change is made only after the NC
block has been completed.
The control performs the automatic tool change at a suitable point
in the program. The automatic tool change is not performed:
During execution of machining cycles
While radius compensation (
RR
/
RL
) is active
Directly after an approach function
APPR
Directly before a departure function
DEP
Directly before and after
CHF
and
RND
During execution of macros
During execution of a tool change
Directly after a
TOOL CALL
or
TOOL DEF
During execution of SL cycles