Siemens SINUMERIK 840Di sl - Page 32

Fundamental Geometrical Principles
1.3 Position of coordinate systems
Fundamentals
32 Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Mirroring of the Z axis
;
=
0
:
=HURRIIVHW
;
=
0
:
=HURRIIVHW
Shifting and turning the workpiece coordinate system
One way of machining inclined contours is to use appropriate fixtures to align the workpiece
parallel to the machine axes.
<
;
=
<
;
=
... Another way is to generate a coordinate system, which is oriented to the workpiece. The
coordinate system can be moved and/or rotated with programmable frames.
This enables you to
• move the zero point to any position on the workpiece
• align the coordinate axes parallel to the desired working plane by rotation
• and thus machine surfaces clamped in inclined positions, produce drill holes at different
angles.