Parameter Description Unit
Reference point Position of the reference point:
Machining posi‐
tion
● Single position
An elongated hole is machined at the programmed position (X0, Y0, Z0).
● Position pattern
Several elongated holes are machined in the programmed position pattern (e.g. pitch
circle, grid, line).
X0
Y0
Z0
The positions refer to the reference point:
Reference point X – (for single position only)
Reference point Y – (for single position only)
Reference point Z
mm
mm
mm
L Elongated hole length mm
α0 Angle of rotation Degrees
Z1 Elongated hole depth (abs) or depth in relation to Z0 (inc) mm
DZ Maximum depth infeed mm
FZ Depth infeed rate *
* Unit of feedrate as programmed before the cycle call
10.4.11 Thread milling (CYCLE70)
Function
Using a thread cutter, internal or external threads can be machined with the same pitch.
Threads can be machined as right-hand or left-hand threads and from top to bottom or vice
versa.
For metric threads (thread pitch P in mm/rev), the cycle assigns a value (calculated on the basis
of the thread pitch) to the thread depth H1 parameter. You can change this value. The default
selection must be activated via a machine data code.
Machine manufacturer
Please refer to the machine manufacturer's specifications.
The entered feedrate acts on the workpiece contour, i.e. it refers to the thread diameter.
However the feedrate of the cutter center point is displayed. That is why a smaller value is
displayed for internal threads and a larger value is displayed for external threads than was
entered.
Programming technology functions (cycles)
10.4 Milling
Turning
Operating Manual, 06/2019, A5E44903486B AB 553
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