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2#
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
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以下翻譯僅供參考,。。% E& l9 ?4 p9 ~2 x9 g: e [# a6 M
machined by threaded
* o# y( s% q# F8 M; K(不好翻譯,,銑螺紋,?攻螺紋?)
. `* Y$ E; {0 hvalue prior to threading數(shù)值(螺紋大小還是切削進(jìn)給,?)參照車螺紋,;
( w/ \5 B% G' D/ T+ o+ N# tunless otherwise specified all dimensions are in inches and
, r0 `' l; w$ ~% c未注尺寸為英寸,并且
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1.overall length is minimum and longer needed to meet customer requirements are always allowed wothout engingeering approval
$ `+ {/ M4 [2 ]2 u螺紋有效長度為最�,�,;具體長度在滿足客戶的要求情況下通常不需要工程批準(zhǔn);
; x( A" S" a( g( G0 j" J4 b( q2.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)+$ I! ]! s3 a9 t+ t% e' H {& d
機(jī)加工面 g9 j& Q" b9 ]6 j& T
8 j6 K2 u3 _/ J0 v" |3.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?】0 R j3 y8 x( ]3 U3 A9 h2 d. n1 K) h: P0 d
,?】未注內(nèi). Z: u* E, p0 P, A: E3 G# S) T9 r4 ~9 I; ]. @
4.corner breaks 0.15X45 棱邊倒角0.15X45
4 v' b! c0 }9 I1 z. I5.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( }
8 G# h+ B7 K7 v0 R8 E6.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 ,,對單個表面.030MAX
* F6 y3 M0 C$ y" I3 \. i7.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(dǎo)入導(dǎo)出過渡角度為25-45°)
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