Общий каталог TooTool - страница 34

Technical Information for XN Type Threading Technical Information forXN Type Threading

Insert vs. Toolholder Orientation
API Thread Forms •Insert Applications Chart for API Rotary Shouldered Connections chuck chuck
anti-clockwise rotation anti-clockwise rotation externalinternal
Thread form cresting non - cresting tool joint application minimum box size *
2 - 3 / 8 API internal flush feed r
7°
V - . 038 R
2 - 7 / 8 API internal flush
3 - 1 / 2 API internal flush
4 API internal flush
4 -1 / 2 API internal flush
_ _
7° pressure flank
of the thread being
XNTB-2LA
XNTB- 3LA
IT XNTB-2RA
XNTB-3RA
i
i
i
i
seating
surface
in bar
2 " TPF
4 TPI
XNDC - 4038 R / L 2
4 - E / IR4API 382
XND - 3038 R / L 5 -1 / 2 API internal flush
6 - 5 / 8 API internal flush
API # 31
2 - 7 / 8 IF
the leading flank '
-
7° l
XNTB-4LA
XNTB-4RA
I/
feei seating surfac
4 API full hole insert
~ "
^ irTtoolholder notch
’
API # 23 , API # 26 , API # 31 , 7° pressure flank
API # 35 , API # 38 , API # 40, XNTB-2RA
API # 44 , API # 46 , API # 50 of the thread being
XNTB-3RA
the leading flank insert
XNTB-4RA NTB-2LA
API # 56
notch
V - . 038 R NTB- 3LA
XNDC - 4038 R / L 3 API # 61
3 " TPF XND - 3038 R / L API # 56
4 - E / IR4API 383 API # 70 NTB-4LA
4 TPI
API # 77
External Buttress Internal Buttress
7° pressure flank leading 7° pressure flank leading
V- . 050 5 - 1 / 2 API full hole
XNDC - 4050 R / L 2
2 " TPF XND - 4050 R / L 6 - 5 / 8 API regular 5 - 1 / 2 API full hole
4 - E /IRAPI 502
4 TPI 6 - 5 / 8 API full hole

Reference Dimensions Infeed Angle vs. Chip Load: 7° Pressure Flank Leading
V-. 050 5 - 1 / 2 API regular
XNDC - 4050 R / L 3 .010" infeed
3 " TPF XND - 4050 R / L 7 - 5 / 8 API regular 5 - 1 / 2 API regular
4 TPI
4 - E / IR4API 503 h— A
8 - 5 / 8 API regular . 010" infeed
i
.007" chip load
nose radius .0039" .0052" T
2 - 3 / 8 API regular
V- . 040 XNDC - 3040 R / L 3
XND - 3040 R / L 2 - 7 / 8 API regular chip loac chip load .0012"-
3 " TPF XNDC - 4040 R / L 3 3 - 1 / 2 API regular D chip load
XND - 4040 R / L 3 - 1 / 2 API regular
5 TPI 4 - E / IR 5 API 403
4 - 1 / 2 API regular
maximum depth with
A -style insert
* Minimum box size that can be threaded with a standard Top Notch insert due to minimum bore equipment.
15° infeed angle XNTB-A insert 0° infeed angle
feed direction feed direction
API Thread Forms •Product Thread Dimensions • Rotary Shouldered Connections ( Inch )
063 064
thread D A nose radius pitch based on
thread root width of flat radius at Insert
height , crest root ( inch ) ( inch ) ( inch ) maximum radius
Thread taper inch height , truncation thread pitch
not truncation radius XNTB - 2 0.133 0.024 0.002 - 0.004 16 - 20 TPI
form per ft truncated Sm — Srs corners P
truncated fcn= fcs crest crest rm= rs
hn= hs fm — frs r XNTB - 3 0.171 0.031 0.005 - 0.008 8 - 16 TPI
H fen — fes fm = frs
XNTB - 4 0.218 0.049 0.008 - 0.012 4 - 6 TPI
V- 0.38 R 2 0.216005 0.121844 0.038000 0.056161 0.065 0.038 0.015
0.250 NOTE : For balanced chip load , 15 ° infeed angle is suggested.
V - 0.38 R 3 0.215379 0.121381 0.380000 0.055998 0.065 0.038 0.015
V - 0.40 3 0.172303 0.117842 0.200000 0.034461 0.040 0.020 0.015
0.250
V - 0.50 3 0.215379 0.147303 0.250000 0.043076 0.050 0.025 0.015 Internal Threading Limitations
V - 0.50 2 0.216005 0.147804 0.250000 0.043201 0.050 0.025 0.015 0.250 internal threading limitations internal threading limitations
XNTB - 2 A Buttress threading inserts XNTB - 3 and XNTB - 4 A Buttress threading inserts
NOTE : All dimensions in inches .
minimum minor minimum minor
TPI nominal thread size TPI nominal thread size
diameter ( inch ) diameter ( inch )
8 1 - 3/ 4 1.600 4* 2- 1 / 2 2.200
10 1 -5/8 1.505 5 2- 1 / 4 2.010
V-. 040 and V- . 050 Product Thread Form Casing and Tubing Round Thread
(Height Dimensions ) 12 1 -1 / 2 1.400 6 2 1.800
P 16 1 -1 / 4 1.175 8 1- 3 / 4 1.600
box 10 TPI 8 TPI
thread element
\ p = . 1000 p=.1250 1- 1/ 16 1- 5 / 8
i >\ ^CS
20 1.002 10
1- 1 / 2
1.505

, H = .866 p 0.08660 0.10825 12 ** 1.400
H tv
, r
^ CS
Hs = hs
= .626 p - . 007 0.05560 0.07125 * NTB - 4A insert only.
I —
Srs Sm
= . 120 p +. 002 0.01400 0.01700
* * Can cut 16 or 20 threads per inch provided minor diameter is 1.375 "
or larger.
Scs — Sen
f,
1 =.120 p + .005 0.17000 0.02000
Threads per Inch vs. Maximum Root Radius Chart ( Inch )
cn
axis of thread pin
/
90°
i TPI
maximum root
20
0.0036
16
0.0045
12
0.0059
10
0.0071
8
0.0089
6
0.1190
5
0.0143
4
0.0179
3
0.0238
2- 1 / 2
0.0286
2.0
0.3750
1 - 1 /2
0.0476
1-1 /4
0.0572 0.0714
1

radius
NOTE : Special Buttress forms are available upon request .