Siemens SINUMERIK 840D sl Operating Manual page 345

Parameter Description
Face C:
center/ Position circle center on the face surface
off-center Position circle off-center on the face surface
Z0 Z coordinate of the reference point (abs)
X0 X coordinate of the reference point (abs) – (only for off-center)
Y0 Y coordinate of the reference point (abs) – (only for off-center)
α0 Starting angle for first position referred to the X axis.
Positive angle: Circle is rotated counter-clockwise.
Negative angle: Circle is rotated clockwise.
α1 Incrementing angle
R Radius
N Number of positions
Positioning
● Straight line: Next position is approached linearly in rapid traverse.
(only for Shop‐
● Circular: Next position is approached along a circular path at the feedrate defined in
Turn)
the machine data.
Face Y:
center/ Position circle center on the face surface
off-center Position circle off-center on the face surface
Z0 Z coordinate of the reference point (abs)
CP Positioning angle for machining area
The CP angle does not have any effect on the machining position in relation to the work‐
piece. It is only used to position the workpiece with the rotary axis C in such a way that
machining is possible on the machine.
X0 or L0 X coordinate of the reference point (abs) or reference point length, polar
– (only for off-center)
Y coordinate of the reference point (abs) or
Y0 or C0
reference point angle, polar – (only for off-center)
Starting angle for first position referred to the X axis.
α0
Positive angle: Circle is rotated counter-clockwise.
Negative angle: Circle is rotated clockwise.
α1 Incrementing angle
R Radius
N Number of positions
Positioning
● Straight line: Next position is approached linearly in rapid traverse.
(only for Shop‐
● Circular: Next position is approached along a circular path at the feedrate defined in
Turn)
the machine data.
Turning
Operating Manual, 05/2017, A5E40868721
Programming technology functions (cycles)
10.1 Drilling
Unit
mm
mm
mm
Degrees
Degrees
mm
mm
Degrees
mm
mm
Degrees
Degrees
Degrees
mm
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