Api Thread Unit - HEIDENHAIN CNC PILOT 640 User Manual

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API thread unit

This unit cuts a single or multi-start API thread. The Thread depth
decreases at the overrun at the end of thread.
Unit name: G352_API / cycle: G352
Further information:
Thread form:
O: Thread location:
0: Internal thread (infeed in +X)
1: External thread (infeed in -X)
X1, Z1: Start point thread
X2, Z2: End point thread
W: Taper angle (range: –45° < W < 45°)
WE: Run-out angle (reference: Z axis; 0° < WE < 90°; default:
12°)
F1: Thread pitch
U: Thread depth
Cycle form:
I: Max. approach
H: Type of offset – offset between the individual infeeds in the
cutting direction
0: Without offset
1: From left
2: From right
3: Alternating left/right
V: Type of infeed
0: Const. mach. X-section
1: Const. infeed
2: EPL with distrib. of cuts
3: EPL w/o distrib. of cuts
4: MANUALplus 4110
5: Constant infeed (4290)
6: Const. w/ distrib. (4290)
A: Approach ang. (range: –60° < A < 60°; default: 30°)
R: Remaining cut depth (V=4)
C: Start angle
D: No.gears
Q: Number no-load.
Further forms:
Further information:
Access to the technology database:
Machining operation: Thread cutting
Affected parameters: F, S
166
"Tapered API thread G352", Page 357
"smart.Turn unit", Page 78
smart.Turn units | Units – Threads
HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017