Siemens SINUMERIK 840Di sl Programming Manual page 404

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Tool offsets

8.17 Special handling of tool offsets

Inclusion of wear values in calculation

The setting data SD 42935 WEAR_TRANSFORM defines, which of the following three wear

2. Total offsets fine

3. Total offsets coarse

are to be made subject to a rotation by way of an adapter transformation or orientable

toolholder if one of the following G codes is active.

• TOWSTD Initial setting

• TOWMCS Wear values

• TOWWCS Wear values

• TOWBCS Wear values (BCS)

• TOWTCS Wear values in tool coordinate system at the toolholder (T toolholder reference)

• TOWKCS Wear values in coordinate system of tool head with kinematic transformation

Evaluation of individual wear components (assignment to geometry axes, sign evaluation)

is influenced by the

Active plane

Adapter transformation and

- The following setting data:

SD 42910: MIRROW_TOOL_WEAR

SD 42920: WEAR_SIGN_CUTPOS

SD 42930: WEAR_SIGN

SD 42940: TOOL_LENGTH_CONST

SD 42950: TOOL_LENGTH_TYPE

for offsets in tool length

in the machine coordinate system (MCS)

in workpiece coordinate system (WCS)

in basic coordinate system

Programming Manual, 11/2006, 6FC5398-1BP10-2BA0

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