Siemens SINUMERIK 840D

Programming technological functions (cycles)
8.5 Contour turning - only for G code programs
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
385
Contour element "Straight line e.g. Z"
Parameters Description Unit
Z End point Z (abs or inc) mm
α1 Starting angle to Z axis Degrees
α2 Angle to the preceding element Degrees
Transition to next
element
Type of transition
 Radius
 Undercut
 Chamfer
Radius R Transition to following element - radius mm
Form E Undercut size
e.g. E1.0x0.4
Form F Undercut size
e.g. F0.6x0.3
DIN thread P
α
Thread pitch
Insertion angle
mm/rev
Degrees
Undercut
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. X"
Parameters Description Unit
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
 Undercut
 Chamfer
Radius R Transition to following element - radius mm
Form E Undercut size
e.g. E1.0x0.4
Form F Undercut size
e.g. F0.6x0.3
Undercut
DIN thread P
α
Thread pitch
Insertion angle
mm/rev
Degrees