鉆桿接頭粗細(xì)扣規(guī)范
|
類 型 |
公稱直徑 |
數(shù)字型 |
接頭外徑 |
水 眼 |
螺紋種類 |
每寸牙數(shù) |
錐 度 |
基面螺紋均直徑 |
|
公接頭 |
|
母接頭 |
||||||
|
扣 型 |
螺紋小端外徑 |
螺紋大端外徑 |
扣 長 |
|
扣 型 |
螺紋始端外徑 |
擴孔 直徑 |
扣 長 |
||||||||||
|
|
英寸 |
|
D |
d |
|
|
2tgФ |
C |
|
|
Ds |
Dl |
Lpc |
|
|
|
Qc |
Lbc |
|
數(shù) 字 型 |
|
NC23 |
|
|
|
4 |
1:6 |
59.817 |
|
|
52.400 |
65.100 |
76.2 |
|
|
59.83 |
66.7 |
92.1 |
|
|
NC35 |
|
|
|
89.687 |
|
|
79.096 |
94.971 |
95.2 |
|
|
89.69 |
96.8 |
111.11 |
|||
|
|
NC44 |
|
|
|
112.192 |
|
|
98.425 |
117.475 |
114.3 |
|
|
112.2 |
119.1 |
130.2 |
|||
|
|
NC56 |
|
|
|
1:4 |
142.646 |
|
|
117.500 |
149.250 |
127.0 |
|
|
143.98 |
150.8 |
142.9 |
||
|
|
NC61 |
|
|
|
156.921 |
|
|
128.600 |
163.525 |
139.7 |
|
|
158.25 |
165.1 |
155.6 |
|||
|
|
NC70 |
|
|
|
179.146 |
|
|
147.650 |
185.750 |
152.4 |
|
|
180.48 |
187.3 |
168.3 |
|||
|
|
NC77 |
|
|
|
196.621 |
|
|
161.950 |
203.200 |
165.1 |
|
|
197.93 |
204.8 |
181.0 |
|||
|
正規(guī) |
2 3/8 |
|
80 |
25.4 |
甲種 |
5 |
1:4 7°7´30″ |
60.080 |
|
2A31 |
47.625 |
66.675 |
76.2 |
|
2A30 |
61.423 |
68.3 |
92.1 |
|
2 7/8 |
|
95 |
32 |
69.605 |
|
231 |
53.975 |
76.200 |
88.9 |
|
230 |
70.948 |
77.8 |
104.8 |
||||
|
3 1/2 |
|
108 |
38 |
82.293 |
|
331 |
65.075 |
88.900 |
95.3 |
|
330 |
83.635 |
90.5 |
110.1 |
||||
|
4 1/2 |
|
140 |
58 |
113.800 |
|
431 |
90.475 |
117.475 |
108.0 |
|
430 |
112.211 |
119.1 |
123.8 |
||||
|
5 1/2 |
|
172 |
70 |
乙種 |
4 |
1:4 |
132.944 |
|
531 |
110.058 |
140.208 |
120.7 |
|
530 |
133.630 |
141.7 |
136.5 |
|
|
6 5/8 |
|
197 |
89 |
丙種 |
1:6 |
146.248 |
|
631 |
131.030 |
152.197 |
127.0 |
|
630 |
145.601 |
154.0 |
142.9 |
||
|
7 5/8 |
|
225 |
102 |
乙種 |
1:4 |
170.549 |
|
731 |
144.475 |
177.800 |
133.4 |
|
730 |
171.235 |
180.2 |
149.2 |
||
|
8 5/8 |
|
254 |
131 |
194.731 |
|
831 |
167.843 |
201.982 |
136.6 |
|
830 |
195.417 |
204.4 |
152.4 |
||||
|
貫眼 |
2 3/8 |
|
64 |
36.5 |
甲種 |
5 |
1:4 |
64.059 |
|
2A21 |
51.604 |
70.654 |
76.2 |
|
2A20 |
65.402 |
72.3 |
92.1 |
|
2 7/8 |
|
108 |
54 |
85.480 |
|
221 |
69.850 |
92.075 |
88.9 |
|
220 |
86.823 |
94.5 |
104.8 |
||||
|
3 1/2 |
|
113 |
62 |
94.844 |
|
321 |
77.622 |
101.443 |
95.3 |
|
320 |
96.187 |
102.8 |
111.1 |
||||
|
4 |
NC40 |
133 |
71 |
丁種 |
4 |
1:6 |
103.429 |
|
4A21 |
89.662 |
108.712 |
114.4 |
|
4A20 |
103.440 |
120.3 |
130.1 |
|
|
4 1/2 |
|
146 |
80 |
甲種 |
5 |
1:4 |
115.113 |
|
421 |
96.317 |
121.717 |
101.6 |
|
420 |
116.456 |
123.8 |
117.5 |
|
|
5 1/2 |
|
178 |
101 |
丙種 |
4 |
1:6 |
142.011 |
|
521 |
126.797 |
147.955 |
127.0 |
|
520 |
141.364 |
150.0 |
142.9 |
|
|
6 5/8 |
|
203 |
127 |
165.598 |
|
621 |
150.368 |
171.526 |
127.0 |
|
620 |
164.950 |
173.8 |
142.9 |
||||
|
內(nèi)平 |
2 3/8 |
NC26 |
86 |
44.5 |
丁種 |
4 |
1:6 4°45´48″ |
67.767 |
|
2A11 |
60.350 |
73.050 |
76.2 |
|
2A10 |
67.778 |
74.6 |
92.1 |
|
2 7/8 |
NC31 |
105 |
54 |
80.848 |
|
211 |
71.323 |
86.131 |
88.9 |
|
210 |
80.860 |
87.7 |
140.8 |
||||
|
3 1/2 |
NC38 |
121 |
68.3 |
96.723 |
|
311 |
85.065 |
102.006 |
101.6 |
|
310 |
96.734 |
103.6 |
117.5 |
||||
|
4 |
NC46 |
146 |
82.6 |
117.500 |
|
4A11 |
103.734 |
122.734 |
114.4 |
|
4A10 |
117.511 |
124.6 |
130.2 |
||||
|
4 1/2 |
NC50 |
155 |
95.3 |
128.059 |
|
411 |
114.300 |
133.350 |
114.4 |
|
410 |
128.070 |
134.9 |
130.2 |
||||
|
5 1/2 |
|
185 |
122 |
157.201 |
|
511 |
141.326 |
162.484 |
127.0 |
|
510 |
137.212 |
163.9 |
142.9 |
||||
|
6 5/8 |
|
212 |
145 |
184.173 |
|
611 |
168.260 |
189.456 |
127.0 |
|
610 |
184.186 |
192.0 |
142.9 |
||||