HEIDENHAIN 548431-05, User Manual, Page: 357 / 722

Teach-in | Drilling cycles
5
HEIDENHAIN | MANUALplus 620 | User's Manual | 12/2017
357
Axial thread milling
Select
Drilling
Select Axial thread milling
The cycle mills a thread in existing holes.
Use threading tools for this cycle.
Cycle parameters:
X , Z : Start point
C : Spindle angle – C-axis position (default: current spindle
angle)
Z1 : Start point drill (default: drilling starts from Z )
Z2
:
End point drill
F1 : Thread pitch (= feed rate)
J : Direction of thread:
0: Right-hand thread
1: Left-hand thread
I
:
Thread diameter
R : Approach radius (default: ( I – milling diameter)/2)
H : Mill cutting direction
0: Up-cut
1: Climb
V : Milling method
0: One revolution
– the thread is milled in a 360-degree
helix
1: Two or more revolutions – the thread is milled in several
helix paths (single-point tool)
SCK
:
Safety clearance
Further information: "Safety clearances SCI and SCK",
Page 180
T : Tool number – turret pocket number
G14 : Tool change point
Further information:
"Tool change point G14", Page 180
ID
:
ID no.
S : Cutting speed or Constant speed
MT : M after T : M function that is executed after the tool call T
MFS
:
M at beginning
:
M
function that is executed at the
beginning of the machining step
MFE : M at end : M function that is executed at the end of the
machining step