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Siemens SINUMERIK 840D Operator's Manual Page 177

Computerized numerical control system for machine tools.
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Enter tool status
Option G
Option U
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/810D Operator's Guide HMI Embedded (BEM) – 03.04 Edition
5.5 Tool management ShopTurn
In column "T/C", select option "T" if you want to monitor the tool life.
(T = Tool life, C = Count, W = Wear).
Enter a pre-warning limit for tool life, count or wear in minutes.
Enter the scheduled service life for the tool, the scheduled number of
workpieces to be machined or the maximum permissible wear.
The tool is disabled when the tool life, count or wear is reached.
If you wish to monitor the count, you must also insert the following G
code commands before the end of the program in every program that
calls the tools to be monitored:
Place the cursor on a tool.
Select the option "G" in the first field of the last column if you want to
disable the tool for machining.
Select the option "U" in the second field of the last column if you want
to mark the tool as oversize.
The tool disable or location disable for neighboring magazine
locations is now active.
Parameters Operating Area
; increase count by 1
; delete T no.


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