Siemens SINUMERIK 840D

Programming technological functions (cycles)
8.4 Turning - only for G code programs
Milling
364 Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
Parameters Description Unit
VX Cross feed ∅ (abs) or cross feed (inc) - (only for ∇∇∇ and ∇ + ∇∇∇) mm
D Maximum depth infeed – (only for ∇ and ∇ + ∇∇∇) mm
U or UX Finishing allowance in X or finishing allowance in X and Z – (only for ∇ and ∇ +
∇∇∇)
mm
UZ Finishing allowance in Z – (only for UX, ∇ and ∇ + ∇∇∇) mm
Parameters, G code program (undercut, thread)
PL Machining plane
SC Safety clearance mm
F Feedrate mm/min
Parameters Description Unit
Machining
 ∇ (roughing)
 ∇∇∇ (finishing)
 ∇ + ∇∇∇ (roughing and finishing)
Machining
direction
 Longitudinal
 Parallel to the contour
Position
Machining position:
X0 Reference point X ∅ mm
Z0 Reference point Z mm
X1 Undercut depth referred to X ∅ (abs) or undercut depth referred to X (inc)
Z1 Allowance Z (abs or inc)
R1 Rounding radius 1 mm
R2 Rounding radius 2 mm
α Insertion angle Degrees
VX Cross feed ∅ (abs) or cross feed (inc) - (only for ∇∇∇ and ∇ + ∇∇∇)
D Maximum depth infeed – (only for ∇ and ∇ + ∇∇∇) mm
U or UX Finishing allowance in X or finishing allowance in X and Z – (only for ∇ and ∇ +
∇∇∇)
mm
UZ Finishing allowance in Z – (only for UZ, ∇ and ∇ + ∇∇∇) mm