Siemens SINUMERIK 840D

Programming technological functions (cycles)
8.5 Contour turning - only for G code programs
Milling
386 Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
Parameters Description Unit
Thread Z1
Z2
R1
R2
T
Length Z1
Length Z2
Radius R1
Radius R2
Insertion depth
mm
mm
mm
mm
mm
Chamfer FS Transition to following element - chamfer mm
CA Grinding allowance

Grinding allowance to right of contour

Grinding allowance to left of contour
mm
Additional commands Additional G code commands
Contour element "Straight line e.g. ZX"
Parameters Description Unit
Z End point Z (abs or inc) mm
X End point X ∅ (abs) or end point X (inc) mm
α1 Starting angle to Z 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
CA Grinding allowance

Grinding allowance to right of contour

Grinding allowance to left of contour
mm
Additional commands Additional G code commands
Contour element "Circle"
Parameters Description Unit
Direction of rotation
 Clockwise direction of rotation
 Counterclockwise direction of rotation
Z End point Z (abs or inc) mm
X End point X ∅ (abs) or end point X (inc) mm
K Circle center point K (abs or inc) mm
I Circle center point I ∅ (abs or circle center point I (inc) mm
α1 Starting angle to Z axis Degrees