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本帖最后由 seekfor 于 2015-5-17 12:42 編輯 / ]5 Z6 f, U' a
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以下翻譯僅供參考。。6 O0 ~7 M3 I- z' ~. Y* g
machined by threaded; Q& j1 W! L# P
(不好翻譯,銑螺紋?攻螺紋?)4 J& X. s5 [+ h7 G; s' C8 p
value prior to threading數值(螺紋大小還是切削進給?)參照車螺紋;3 c" a2 c/ L. K3 f3 n, |# D! Q! z5 f
unless otherwise specified all dimensions are in inches and
6 z# Q4 _8 f/ K未注尺寸為英寸,并且; I; f. p# l# p' k
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1.overall length is minimum and longer needed to meet customer requirements are always allowed wothout engingeering approval# ^$ A6 ]% S4 E2 c% K8 i4 @
螺紋有效長度為最小;具體長度在滿足客戶的要求情況下通常不需要工程批準;9 t$ r8 ~4 }( {! J+ K
2.machined supfaces 250 rms max,thd surfaces 125 rms max機加工面粗糙度250 RMS max(相當于Ra6.3 max左右 【轉換關系除以40】) ;螺紋表面粗糙度125 rms max (Ra3.2 max)+6 o' v3 A- t$ P, K
機加工面 g9 j& Q" b9 ]6 j& T+ x0 K7 ?2 E, v9 h
3.inside raoius 0.30-0.60 max未注內圓角 0.3-0.6 max 【不知道產品是啥樣子的,按英制算這倒角是不是有點大?】
) M; {7 G7 W* D8 Y6 W; Q6 C% U$ @- r6 i?】未注內. Z: u* E, p0 P, A: E3 G
Q5 q! x8 z* d) U3 I- y% Z4.corner breaks 0.15X45 棱邊倒角0.15X45
% }+ f( ~4 U2 R6 F8 z6 o5.concentricity between 2mach.surf.within 0.15 t.i.r 兩機加面同軸度 0.15 . @' G( W9 n/ H2 K( Q% C( }) I5 {& J4 ~; G$ S1 P& u% i
6.normality,squareness,parallelism of machined surfaces .005per ingh to a max.of.030for a single surface 機加工表面的垂直度和平行度.005/1 ,對單個表面.030MAX( @6 K& w7 k: k5 I; k4 T4 L
7.all thread entry&exit angles to be 25-45 off of thread axis 螺紋孔兩端倒角25-45° (又或者是銑螺紋時導入導出過渡角度為25-45°)
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