Detailed Description
2.5 Toolholder with orientation capability
Basic logic functions: Tool Offset (W1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
97
Orientation in Z direction
The G function TOFRAME defines a frame such that the Z direction in this frame is the same
as the current tool orientation.
If no tool carrier or a tool carrier without change in orientation is active, then the Z direction is
in the new frame:
• The same as the old Z direction with G17
• The same as the old Y direction with G18
• The same as the old X direction with G19.
TCOABS for active frame
The absolute toolholder orientation is set using:
TCOABS (Tool Carrier Orientation ABSolute)
The orientation taken into account for the tool length compensation is independent of the
orientation of the active frame.
Only one of the instructions TCOABS or TCOFR can be valid.
Frame change
The user can change the frame following selection of the tool. This does not have any effect
on the tool length compensation components.
Angles in the toolholder data:
The programmed angles of rotation stored in the toolholder data are not affected by the
angle of rotation defined by the frames. When changing from TCOFR to TCOABS, the original
(programmed) angles of rotation in the toolholder data are reactivated.
Tool compensation types
TRC takes account of the current tool orientation when CUT2D or CUT3DFS is active.
All other tool compensation types
These are all the compensation types of G-code group 22, with the exception of CUT3DC and
CUT3DF. The response remains the same with respect to the plane used for compensation.
This is determined independent of the tool orientation from the active frame.
For CUT2DF and CUT3DFF, the compensation plane used for TRC is determined from the
frame independently of the current tool orientation. The active plane (G17/G18/G19) is
considered.
CUT3DC and CUT3DF
3D tool compensation for circumferential milling
3D tool compensations for face milling with active 5-axis transformation are not affected by
the "Toolholder with orientation capability" function.
The orientation information is determined by the active kinematic 5-axis transformation.
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