
B-63943EN-1/02 12.TOOL FUNCTIONS
- 1669 -
- Rotation axis offset
Set offsets relative to the rotation angles of the rotation axes in
parameter No. 19659. The compensation vector calculation formula is
the same as that used for rotation axis origin compensation, except
that Bp and Cp are changed to rotation axis offsets.
When rotation axis origin compensation and rotation offsetting are set
at the same time, both compensations are performed.
When the tool axis is on the Z-axis, and the rotation axes are the
B-axis
and C-axis, compensation vector calculation is performed as follows :
Xp = Lc * sin(B-(Bz+Bo)) * cos(C-(Cz+Co))
Yp = Lc * sin(B-(Bz+Bo)) * sin(C-(Cz+Co))
Zp = Lc * cos(B-(Bz+Bo))
Bz,Cz : B-axis and C-axis origin compensation values
Bo,Co : B-axis and C-axis rotation axis offset values