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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
3 ~- o# i4 g4 A- ^: Q1 lead tolerance ,. z' f" d* E5 `9 i8 J
cumulative lead tolerance3 e" ~9 |& T& v, v9 n' g
8 q4 h& V2 ?$ C" \7 A4 W. F' B L2 all shoulder contact faces shall be square with the thread axis and flat within 0.002 inches
% ?4 H* ?, i2 h- j
- s# }, T: o; e3 break all sharp edges 0.005 max2 W) ?* U0 A5 r+ [! ?6 b6 Z" `
- Q* X% k7 ~8 h+ x. p$ L7 j& f v5 `
4 3/4'' male beco thread form
5 O4 {' ?( C, g3 \2 ?4 B. {7 B$ ] D w* I( {; h$ D) s c/ S+ o
5 0.25 taper per inch
( n- g$ Y G" X) L# H. t) ^2 {) X2 m* s: k! I) ^
6 3/4'' beco pin thread for 1/8TH scale |
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发表于 2008-7-26 11:42:49
