Operating manual
CNC 8055
CNC 8055i
WORKING WITH OPERATIONS OR CYCLES
3.
·TC· OPTION
SOFT: V02.2X
·131·
Threading cycle
API compliant thread
The window for standard threads includes the API standard thread; a special standard for pipes of
the oil sector. Once this standard is selected, a new window will appear for configuring the thread
according to that standard.
These standards are not applicable to face threading, for level 4, selecting face threading disables
all standards.
The following table shows the values for the API standard:
TPI
(Thread per inch)
TPF
(taper per foot)
Depth
(H)
Pitch
(-P negative)
API 5
CR 08 8 ¾ 1.810 -3.175
CR 10 10 ¾ 1.412 -2.54
CB 05 5 ¾ 1.575 -5.08
API 7
V38 4-2 4 2 3.095 -6.35
V38 4-3 4 3 3.083 -6.35
V40 5-3 5 3 2.993 -5.08
V50 4-2 4 2 3.741 -6.35
V50 4-3 4 3 3.754 -6.35
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