Siemens SINUMERIK 840D

Programming technological functions (cycles)
8.3 Contour milling
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
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Contour element "straight line, e.g. Y"
Parameter Description Unit
Y End point Y (abs or inc) mm
α1 Starting angle to X axis Degrees
Transition to next
element
Type of transition
 Radius
 Chamfer
Radius R Transition to following element - radius mm
Chamfer FS Transition to following element - chamfer mm
Additional commands Additional G code commands
Contour element "Straight line, e.g. XY"
Parameter Description Unit
X End point X (abs or inc) mm
Y End point Y (abs or inc) mm
L Length mm
α1 Starting angle e.g. to the X axis Degrees
α2 Angle to the preceding element Degrees
Transition to next
element
Type of transition
 Radius
 Chamfer
Radius R Transition to following element - radius mm
Chamfer FS Transition to following element - chamfer mm
Additional commands Additional G code commands
Contour element "Circle"
Parameter Description Unit
Direction of rotation
 Clockwise direction of rotation
 Counterclockwise direction of rotation
R Radius mm
e.g. X End point X (abs or inc) mm
e.g. Y End point Y (abs or inc) mm
e.g. I Circle center point I (abs or inc) mm
e.g. J Circle center point J (abs or inc) mm
α1 Starting angle to X axis Degrees