Siemens SINUMERIK 840Di Function Manual page 834

Detailed Description
2.4 Frames
If one of the G codes TOFRAMEX, TOFRAMEY, TOROTX, TOROTY is programmed in place of
TOFRAME(Z) or TOROT(Z), the descriptions for adapting the axis directions perpendicular to
the main direction are also valid for the cyclically exchanged axes. The assignments in the
table below are then valid:
Tool direction
(vertical axis)
Secondary axis
(horizontal axis)
Secondary axis
(ordinate)
Example:
...
...
N90 $SC_TOFRAME_MODE=1
N100 ROT Z45
N110 TCARR=1 TCOABS T1 D1
N120 TOROT
...
...
N100 describes a rotation by 45 degrees in the X-Y plane. It is assumed that the toolholder
activated in N110 rotates the tool by 30 degrees around the X axis, i.e., the tool lies in the
Y-Z plane and is rotated by 30 degrees relative to the Z axis. As a result the Z axis of the
frame newly defined in N120 also points in this direction (independently of the value in
setting data SD42980 $SC_TOFRAME_MODE in N90).
In the figure below, the situation for setting data setting
SD42980 $SC_TOFRAME_MODE=1
is shown:
2-104
TOFRAME, TOFRAMEZ
TOROT, TOROTZ
Z
X
Y
TOFRAMEY
TOROTY
Y
Z
X
Axis Types, Coordinate Systems, Frames (K2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
TOFRAMEX
TOROTX
X
Y
Z