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發(fā)表于 2015-5-17 12:39:46
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本帖最后由 seekfor 于 2015-5-17 12:42 編輯 . F3 Q. K9 C6 J" E/ Z4 u
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以下翻譯僅供參考。。2 Y( K8 t- m L5 O) d/ L
machined by threaded( u5 b Z' h; ]9 D; a
(不好翻譯,銑螺紋?攻螺紋?)
& _$ X) O W1 |- N* a# Tvalue prior to threading數(shù)值(螺紋大小還是切削進(jìn)給?)參照車螺紋;: ?- D8 g! w |. ]% ^5 \ O
unless otherwise specified all dimensions are in inches and
, U) H& j3 T+ |. T, Y1 s未注尺寸為英寸,并且/ U- D! o1 t O( U& O# |8 S& W
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+ u* i# A7 o- [" t1.overall length is minimum and longer needed to meet customer requirements are always allowed wothout engingeering approval# r- V! P2 ?% V; U
螺紋有效長(zhǎng)度為最小;具體長(zhǎng)度在滿足客戶的要求情況下通常不需要工程批準(zhǔn);" z2 `8 }: i O3 q% u0 q" m" I
2.machined supfaces 250 rms max,thd surfaces 125 rms max機(jī)加工面粗糙度250 RMS max(相當(dāng)于Ra6.3 max左右 【轉(zhuǎn)換關(guān)系除以40】) ;螺紋表面粗糙度125 rms max (Ra3.2 max)+0 E; j3 U4 f" b, Z
機(jī)加工面 g9 j& Q" b9 ]6 j& T
2 [6 {7 Z5 c! Y( p- s3.inside raoius 0.30-0.60 max未注內(nèi)圓角 0.3-0.6 max 【不知道產(chǎn)品是啥樣子的,按英制算這倒角是不是有點(diǎn)大?】* _# P8 |+ B+ G4 R* U0 V3 k
?】未注內(nèi). Z: u* E, p0 P, A: E3 G
8 j7 I# Y9 W8 V/ y8 K( y4.corner breaks 0.15X45 棱邊倒角0.15X45
$ v8 d6 y7 u1 N, a0 @" J* V5.concentricity between 2mach.surf.within 0.15 t.i.r 兩機(jī)加面同軸度 0.15 . @' G( W9 n/ H2 K( Q% C( }
! H9 m' d' ]3 H5 a# S" t6.normality,squareness,parallelism of machined surfaces .005per ingh to a max.of.030for a single surface 機(jī)加工表面的垂直度和平行度.005/1 ,對(duì)單個(gè)表面.030MAX5 w# R, b' V' _/ ?7 b
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(shí)導(dǎo)入導(dǎo)出過渡角度為25-45°): {6 b& b& I, `! B' f
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