Siemens SINUMERIK 840D sl Turning - Page 401

Parameter Description Unit
X0
Y0
α0
α1
R
N
Positioning
(only for G code)
Axes XY (at right angles)
X coordinate of the reference point (abs)
Y coordinate of the reference point (abs)
Starting angle for first position referred to the X axis.
Positive angle: Circle is rotated counter-clockwise.
Negative angle: Circle is rotated clockwise.
Incrementing angle
Radius
Number of positions
● Straight line: Next position is approached linearly in rapid traverse.
● Circular: Next position is approached along a circular path at the feedrate defined in
the machine data.
mm
mm
Degrees
Degrees
mm
Z0
C0
N
(only for G code)
Axes ZC (with G19)
Z coordinate of the reference point (abs)
Start angle of the C axis (abs)
Number of positions
mm
Degrees
Machining
surface
(only for Shop‐
Turn)
● Face C
● Face Y
● Peripheral surface C
● Peripheral surface Y
Position
(only for Shop‐
Turn)
● At the front (face)
● At the rear (face)
● Outside (peripheral surface)
● Inside (peripheral surface)
Position
(only for Shop‐
Turn)
Selection options for the following positions - (only for face C/Y)
● center
● off-center
center/
off-center
Z0
X0
Y0
α0
α1
R
N
Positioning
(only for Shop‐
Turn)
Face C:
Position circle center on the face surface
Position circle off-center on the face surface
Z coordinate of the reference point (abs)
X coordinate of the reference point (abs) – (only for off-center)
Y coordinate of the reference point (abs) – (only for off-center)
Starting angle for first position referred to the X axis.
Positive angle: Circle is rotated counter-clockwise.
Negative angle: Circle is rotated clockwise.
Incrementing angle
Radius
Number of positions
● Straight line: Next position is approached linearly in rapid traverse.
● Circular: Next position is approached along a circular path at the feedrate defined in
the machine data.
mm
mm
mm
Degrees
Degrees
mm
Programming technology functions (cycles)
10.1 Drilling
Turning
Operating Manual, 06/2019, A5E44903486B AB 401