No kinematic transformation and no orientable tool carrier
If neither a kinematic transformation nor an orientable tool carrier is active, then all the other
four coordinate systems (except for the WCS) are combined. It is then only the WCS, which is
different to the other systems. Since only tool lengths need to be evaluated, translations
between the coordinate systems are irrelevant.
Inclusion of wear values in calculation
The setting data SD42935 $SC_WEAR_TRANSFORM defines which of the three wear
components:
● Wear
● Total offsets fine
● Total offsets coarse
should be subject to a rotation using adapter transformation or a tool carrier that can be
orientated if one of the following G commands is active:
● TOWSTD
Basic position. For corrections in the tool length.
● TOWMCS
Wear values in the machine coordinate system (MCS).
● TOWWCS
Wear values in the workpiece coordinate system (WCS).
● TOWBCS
Wear values in the basic coordinate system (BCS).
● TOWTCS
Wear values in the tool coordinate system at the tool carrier fixture (T tool carrier reference).
● TOWKCS
Wear values in the coordinate system of the tool head for kinematic transformation.
Note
Evaluation of individual wear components (assignment to geometry axes, sign evaluation)
is influenced by the following factors:
● Active plane
● Adapter transformation
● Setting data:
– SD42910 $SC_MIRROR_TOOL_WEAR
– SD42920 $SC_WEAR_SIGN_CUTPOS
– SD42930 $SC_WEAR_SIGN
– SD42940 $SC_TOOL_LENGTH_CONST
– SD42950 $SC_TOOL_LENGTH_TYPE
Work preparation
3.13 Tool offsets
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 749
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