106 smart.Turn Units
2.8 Units—Threads
"API thread" unit
This unit cuts a single or multi-start API thread. The depth of thread
decreases at the overrun at the end of thread.
Unit name: G352_API / Cycle: G352 (see page 281)
Access to the technology database:
Machining operation: Thread cutting
Affected parameters: F, S
Thread form
O Thread location
0: Internal thread (infeed in +X)
1: External thread (infeed in –X)
APP Approach see page 51
X1, Z1 Starting point of thread (X1: diameter value)
X2, Z2 End point of thread (X2: diameter value)
W Taper angle (reference: Z axis: –45°<W<45°)
WE Run-out angle (reference: Z axis: 0°<WE<90°, default: 12°)
F1 Thread pitch
U Thread depth (automatically for metric ISO threads)
Cycle form
I Maximum approach (radius)
H Kind of displacement (type of offset; offset between the
individual infeeds in cutting direction)
0: Without offset
1: From left
2: From right
3: Alternately left/right
V Approach (type of infeed)
0: Constant mach. X-section
1: Constant infeed
2: W/ remaining cutting (with distribution of remaining
cuts)
3: W/o remaining cutting (without distribution of
remaining cuts)
4: Same as MANUALplus 4110
A Approach angle (angle of infeed; reference in X axis
0°>A>60°, default 30°)
R Remaining cut depth (only with V=4)
C Start angle
D No. of gears (threads per unit)
Q No. no load (number of dry runs)
DEP Departure see page 51
Further forms: see page 46
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