Thread Turning (Cycle99), Only For G Code - Siemens SINUMERIK 840D sl Operating Manual

Parameter
Preferred direction (for
ShopMill program)
Machining
Machining
direction
Position
X0
Z0
X1
Z1
R1
R2
α
VX
D
U or UX
UZ
* Unit of feedrate as programmed before the cycle call
10.4.6

Thread turning (CYCLE99), only for G code

Function
The "Longitudinal thread", "Tapered thread" or "Face thread" cycle is used to turn external or
internal threads with a constant or variable pitch.
There may be single or multiple threads.
Milling
Operating Manual, 05/2017, A5E40868956
Description
Preferred direction of the swivel axis for several possible alignments of the machine
● ∇ (roughing)
● ∇∇∇ (finishing)
● ∇ + ∇∇∇ (roughing and finishing)
● Longitudinal
● Parallel to the contour
Machining position:
Reference point X ∅
Reference point Z
Undercut depth referred to X ∅ (abs) or undercut depth referred to X (inc)
Allowance Z (abs or inc)
Rounding radius 1
Rounding radius 2
Insertion angle
Cross feed ∅ (abs) or cross feed (inc) - (only for ∇∇∇ and ∇ + ∇∇∇)
Maximum depth infeed – (only for ∇ and ∇ + ∇∇∇)
Finishing allowance in X or finishing allowance in X and Z – (only for ∇ and ∇ +
∇∇∇)
Finishing allowance in Z – (only for UZ, ∇ and ∇ + ∇∇∇)
Programming technological functions (cycles)
10.4 Turning - milling/turning machine
Unit
mm
mm
mm
mm
Degrees
mm
mm
mm
481