Siemens SINUMERIK 840D sl Operating Manual page 450

Programming technology functions (cycles)
8.5 Contour milling
Contour element "Straight line e.g. XY"
Parameters
Machining
surface
(only for ShopTurn)
X
Y
L
α1
α2
Transition to next
element
Radius
Chamfer
Additional commands
Contour element "Circle"
Parameters
Machining
surface
(only for ShopTurn)
Direction of rotation
R
e.g. X
e.g. Y
e.g. I
e.g. J
α1
α2
450
Description
Face C

Face Y

Face B

Peripheral surface C

Peripheral surface Y

End point X (abs or inc)
End point Y (abs or inc)
Length
Starting angle e.g. to the X axis
Angle to the preceding element
Type of transition
Radius

Chamfer

R Transition to following element - radius
FS Transition to following element - chamfer
Additional G code commands
Description
Face C

Face Y

Face B

Peripheral surface C

Peripheral surface Y

Clockwise direction of rotation

Counterclockwise direction of rotation

Radius
End point X (abs or inc)
End point Y (abs or inc)
Circle center point I (abs or inc)
Circle center point J (abs or inc)
Starting angle to X axis
Angle to the preceding element
Operating Manual, 02/2012, 6FC5398-8CP40-3BA0
Unit
mm
mm
mm
Degrees
Degrees
mm
mm
Unit
mm
mm
mm
mm
mm
Degrees
Degrees
Turning