Programming manual
CNC 8055
CNC 8055i
COORDINATE TRANSFORMATION
15.
·M· & ·EN· MODELS
SOFT: V02.2X
·437·
TCP Transformation (G48)
15.3 TCP Transformation (G48)
In order to use this feature, the spindle articulations must have encoders and they must be controlled
by the CNC.
When working with TCP transformation, Tool Center Point, the tool orientation may be modified
without changing the position of its tip (part coordinates).
Obviously, the spindle must be swivel or angled and general machine parameter "XFORM (P93)"
set to a value other than "0".
To orient the tool without changing its tip position, the CNC must move several axes of the machine.
TCP transformation is activated and deactivated by function G48:
G48 S1 Turn TCP transformation on
G48 S0 Turn TCP transformation off
TCP transformation is also turned off by programming G48 without parameters.
Function G48 is modal and it must be programmed alone in the block.
Once TCP transformation is active, spindle positioning may be combined with linear and circular
interpolations.
To orient the spindle, one must program the target angular position for the main rotary axis and for
the secondary axis of the spindle.
The following examples use a double swivel rectangular spindle head:
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