Siemens SINUMERIK 828D Function Manual page 1544

W1: Tool offset
18.9 Basic tool orientation
Supplementary conditions
If the "Scratch" function is used in the RESET state, the following must be noted with respect to the initial setting:
• The wear components are evaluated depending on the initial settings of the G-code groups TOWSTD, TOWMCS
and TOWWCS.
• If a value other than the initial setting is needed to ensure correct calculation, scratching may be performed
only in the STOP state.
Note
"Special handling of tool compensations" pays particular attention to tool compensations
with evaluation of sign for tool length with wear and temperature fluctuations.
The following are taken into account:
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•
•
1544
Tool type
Transformations for tool components
Assignment of tool length components to geometry axes independently of tool type
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Basic Functions