Siemens SINUMERIK 840D sl Operating Manual page 339

Parameter Description
Peripheral surface Y:
X0 X coordinate of the reference point (abs)
C0 Positioning angle for machining surface
Y0 Y coordinate of the reference point – first position (abs)
Z0 Z coordinate of the reference point – first position (abs)
α0 Angle of rotation of line with reference to Y axis
(only for Shop‐
Positive angle: Line is rotated counter-clockwise.
Turn)
Negative angle: Line is rotated clockwise.
αX Shear angle X
αY Shear angle Y
L1 Distance between columns
L2 Distance between rows
N1 Number of columns
N2 Number of rows
Parameter Description
LAB Repeat jump label for position
(only for G code)
PL Machining plane
(only for G code)
Machining
● Face C
surface
● Face Y
● Peripheral surface C
(only for Shop‐
Turn)
● Peripheral surface Y
Position
● At the front (face)
(only for Shop‐
● At the rear (face)
Turn)
● Outside (peripheral surface)
● Inside (peripheral surface)
X0 X coordinate of the reference point X (abs)
In the 1st call this position must be programmed absolutely.
Y0
Y coordinate of the reference point Y (abs)
α0
In the 1st call this position must be programmed absolutely.
(only for G Code)
Angle of rotation of the line referred to the X axis
Positive angle: Line is rotated counter-clockwise.
Negative angle: Line is rotated clockwise.
Face C:
Z0 Z coordinate of the reference point (abs)
X0 X coordinate of the reference point – first position (abs)
Y0 Y coordinate of the reference point – first position (abs)
α0 Angle of rotation of line in relation to the X axis
(only for Shop‐
Positive angle: Line is rotated counter-clockwise.
Turn)
Negative angle: Line is rotated clockwise.
Turning
Operating Manual, 05/2017, A5E40868721
Programming technology functions (cycles)
10.1 Drilling
Unit
mm
Degrees
mm
mm
Degrees
Degrees
Degrees
mm
mm
Unit
mm
mm
Degrees
mm
mm
mm
Degrees
339