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发表于 2015-5-17 12:39:46
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本帖最后由 seekfor 于 2015-5-17 12:42 编辑 " v: \0 L/ H5 A$ C5 o! Y
( V. |% v3 F3 Y; e* j% k" `5 Q' t以下翻译仅供参考。。 T. u3 ]) z2 _* m
machined by threaded
$ k7 X B8 X; b) H' C(不好翻译,铣螺纹?攻螺纹?)
) z# s3 |* k& C! f* f: ]! ^value prior to threading数值(螺纹大小还是切削进给?)参照车螺纹;
6 V/ W1 H1 j- B/ `) K9 iunless otherwise specified all dimensions are in inches and
! B, P! h& ~2 j& J未注尺寸为英寸,并且
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* g+ e2 P+ o( a( r' Q1.overall length is minimum and longer needed to meet customer requirements are always allowed wothout engingeering approval
; b0 d$ K) r+ j0 r3 A螺纹有效长度为最小;具体长度在满足客户的要求情况下通常不需要工程批准;
' Z% P* t$ ~ P' M* [( E2 _2.machined supfaces 250 rms max,thd surfaces 125 rms max机加工面粗糙度250 RMS max(相当于Ra6.3 max左右 【转换关系除以40】) ;螺纹表面粗糙度125 rms max (Ra3.2 max)+
. a! Z) y) _9 f2 v& w& q5 x; `机加工面 g9 j& Q" b9 ]6 j& T3 C. S# z8 y; R$ Z$ C/ l* l) \
3.inside raoius 0.30-0.60 max未注内圆角 0.3-0.6 max 【不知道产品是啥样子的,按英制算这倒角是不是有点大?】1 K7 }# g. B2 E: \$ g
?】未注内. Z: u* E, p0 P, A: E3 G$ V$ p. ]- A# ~! r [& ?4 k1 l3 J3 R9 f
4.corner breaks 0.15X45 棱边倒角0.15X45+ Z4 j! A- [. L! `
5.concentricity between 2mach.surf.within 0.15 t.i.r 两机加面同轴度 0.15 . @' G( W9 n/ H2 K( Q% C( }
% n l3 E0 R- l& w# x. A6.normality,squareness,parallelism of machined surfaces .005per ingh to a max.of.030for a single surface 机加工表面的垂直度和平行度.005/1 ,对单个表面.030MAX8 K0 E- g1 I% t, H& g+ Y- @
7.all thread entry&exit angles to be 25-45 off of thread axis 螺纹孔两端倒角25-45° (又或者是铣螺纹时导入导出过渡角度为25-45°)6 v0 R0 L; p$ a+ @- O8 c5 j( H
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