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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 5 ^+ p; z6 H l/ V
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以下翻譯僅供參考。,。! b& `/ \4 D% c3 Q% i
machined by threaded
/ d. v$ M' ]# Q% }(不好翻譯,,銑螺紋?攻螺紋,?)" Q( v0 @0 p7 s% {8 }
value prior to threading數(shù)值(螺紋大小還是切削進(jìn)給,?)參照車螺紋;
0 c) m, Z: ^- K8 V% wunless otherwise specified all dimensions are in inches and) B: \5 s8 k+ h9 g5 j6 e
未注尺寸為英寸,,并且
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6 d0 q3 B5 g* l1.overall length is minimum and longer needed to meet customer requirements are always allowed wothout engingeering approval2 ^5 l3 j5 o5 i6 y# N, c Z
螺紋有效長(zhǎng)度為最�,。痪唧w長(zhǎng)度在滿足客戶的要求情況下通常不需要工程批準(zhǔn),;
3 V# U! {6 f( h2.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)+
3 F$ c# ^" q5 q! Z' D6 v L) Q機(jī)加工面 g9 j& Q" b9 ]6 j& T; _: Y& Y, u1 Z" B% t1 K
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,?】" T3 m5 |/ o j7 |* [' x
,?】未注內(nèi). Z: u* E, p0 P, A: E3 G- Z: R4 N# ?" A5 p& h
4.corner breaks 0.15X45 棱邊倒角0.15X45# F6 D+ f8 G ]4 C* z; R2 o
5.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( }
# L; c) I4 t0 K2 ?# n: x6.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.030MAX
% Y6 p! j4 {0 m- T7 ?5 I+ t: ?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(guò)渡角度為25-45°)
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