Special Handling Of Tool Offsets - Siemens SINUMERIK 840Di sl Programming Manual

Tool offsets

8.17 Special handling of tool offsets

8.17 Special handling of tool offsets
Function
Setting data SD 42900 - SD 42960 can be used to control the evaluation of the sign for tool
length and wear.
The same applies to the behavior of the wear components when mirroring geometry axes or
changing the machining plane, and also to temperature compensation in tool direction.
Parameter
Where reference is made below to wear values, this means in each case the sum of the
actual wear values ($TC_DP12 to $TC_DP20) and the total offsets with the wear ($SCPX3
to $SCPX11) and setup values ($ECPX3 to $ECPX11).
For more details on total offsets, see:
References: /FBW/Description of Functions, Tool Management
SD42900
MIRROR_TOOL_LENGTH
D42910 MIRROR_TOOL_WEAR
SD42920 WEAR_SIGN_CUTPOS
SD42930 WEAR_SIGN
SD42935 WEAR_TRANSFORM
SD42940
TOOL_LENGTH_CONST
SD42950 TOOL_LENGTH_TYPE
SD42960 TOOL_TEMP_COMP
References:
/PGA/Programming Manual, Advanced, "Tool Offsets"
/FB1/Function Manual Basic Functions; Tool Offset (W1)
Description
Activation of modified setting data
When the setting data described above are modified, the tool components are not
reevaluated until the next time a tool edge is selected. If a tool is already active and the data
of this tool are to be reevaluated, the tool must be selected again.
The same applies in the event that the resulting tool length is modified due to a change in
the mirroring status of an axis. The tool must be selected again after the mirror command, in
order to activate the modified tool-length components.
398
Mirroring of tool-length components and components of the tool base
dimension
Mirroring of wear values of the tool-length components
Sign evaluation of the wear components depending on the tool point
direction
Inverts the sign of the wear dimensions
Transformation of wear values
Assignment of tool-length components to geometry axes
Assignment of the tool-length components independent of tool type
Temperature compensation value in tool direction. Also operative
when tool orientation is programmed.
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals