Siemens SINUMERIK 840D sl Operating Manual page 392

Programming technology functions (cycles)
10.3 Contour turning
Contour element "Straight line e.g. ZX"
Parameters
Z
X
α1
α2
Transition to next ele‐
ment
Radius
Chamfer
CA
Additional commands
Contour element "Circle"
Parameters
Direction of rotation
Z
X
K
I
α1
β1
β2
Transition to next ele‐
ment
Radius
Chamfer
CA
Additional commands
392
Description
End point Z (abs or inc)
End point X ∅ (abs) or end point X (inc)
Starting angle to Z axis
Angle to the preceding element
Type of transition
● Radius
● Chamfer
R Transition to following element - radius
FS Transition to following element - chamfer
Grinding allowance
● Grinding allowance to right of contour
● Grinding allowance to left of contour
Additional G code commands
Description
● Clockwise direction of rotation
● Counterclockwise direction of rotation
End point Z (abs or inc)
End point X ∅ (abs) or end point X (inc)
Circle center point K (abs or inc)
Circle center point I ∅ (abs or circle center point I (inc)
Starting angle to Z axis
End angle to Z axis
Opening angle
Type of transition
● Radius
● Chamfer
R Transition to following element - radius
FS Transition to following element - chamfer
Grinding allowance
● Grinding allowance to right of contour
● Grinding allowance to left of contour
Additional G code commands
Unit
mm
mm
Degrees
Degrees
mm
mm
mm
Unit
mm
mm
mm
mm
Degrees
Degrees
Degrees
mm
mm
mm
Operating Manual, 05/2017, A5E40868721
Turning