Coordinate System Of The Active Machining Operation (Towstd, Towmcs, Towwcs, Towbcs, Towtcs, Towkcs) - Siemens SINUMERIK 828D Programming Manual

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Tool offsets

7.3 Special handling of tool offsets

Coordinate system of the active machining operation (TOWSTD, TOWMCS,

TOWWCS, TOWBCS, TOWTCS, TOWKCS)

Depending on the kinematics of the machine or the availability of an orientable toolholder,

the wear values measured in one of these coordinate systems are converted or transformed

to a suitable coordinate system.

Coordinate systems of active machining operation

The following coordinate systems can produce tool length offsets that can be used to

incorporate the tool length component "wear" into an active tool via the corresponding G

code of Group 56.

● Machine coordinate system (MCS)

● Basic coordinate system (BCS)

● Workpiece coordinate system (WCS)

● Tool coordinate system (TCS)

● Tool coordinate system of kinematic transformation (KCS)

Significance

Initial setting value for offsets in tool length wear value

Offsets in tool length in MCS

Offsets in tool length in WCS

Offsets in tool length in BCS

Offsets of tool length at toolholder reference point (orientable toolholder)

Offsets of tool length at tool head (kinematic transformation)

Programming Manual, 07/2010, 6FC5398-2BP40-0BA0

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