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国外图纸上螺纹0.25 taper per inch等技术要求含义，见附件6 b( B& x" g, G) [# \" b
1 lead tolerance ,
: U0 d, C! M% v$ y0 S cumulative lead tolerance
0 V+ p4 y) S* v: R+ d
0 ^- `1 |, a- W! A: g& q2 all shoulder contact faces shall be square with the thread axis and flat within 0.002 inches9 a! c4 U3 W$ ^5 |. d1 I
l8 w8 u) P) R9 a. m
3 break all sharp edges 0.005 max+ `* b2 A" F% H$ }! |* t1 p; Y
6 w# G- h2 M1 P+ r G& o5 ]4 3/4'' male beco thread form
- |- p6 L* B, J1 D% d" R
& k5 l" Q4 @; H# T; w8 u) y% U5 0.25 taper per inch
9 `2 y9 J0 S& i7 o2 P
7 M! Q% ^- `7 Z [% O' Q3 p8 C6 3/4'' beco pin thread for 1/8TH scale |
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发表于 2008-7-26 11:42:49
