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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
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# q7 C1 n* _, a: h* V3 D- l: e/ T( P以下翻譯僅供參考。。
+ F7 e2 P# {, [- u! h3 ~6 b4 c) nmachined by threaded- l+ B/ S# h+ U# T5 f+ Q
(不好翻譯,銑螺紋?攻螺紋?)
( S3 b7 O# C: |( {value prior to threading數(shù)值(螺紋大小還是切削進(jìn)給?)參照車螺紋;* w6 R. P& E, W: Z( E
unless otherwise specified all dimensions are in inches and
" H d8 u! M. I+ f% B/ B+ _未注尺寸為英寸,并且. N3 j' r5 v- z6 v2 f8 F, ?
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1.overall length is minimum and longer needed to meet customer requirements are always allowed wothout engingeering approval
+ z: s9 X1 n9 F. @+ M. b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);
0 i# a1 |- n4 X& L) T) z+ E% _' b Q+ U2.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)+& }9 K5 D) Z/ I5 c( ^8 s6 c8 P
機(jī)加工面 g9 j& Q" b9 ]6 j& T
7 U* N3 e, A @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?】
] `3 W; H$ o+ b3 H7 R?】未注內(nèi). Z: u* E, p0 P, A: E3 G N9 y" r- C- m) T" ~2 d
4.corner breaks 0.15X45 棱邊倒角0.15X45% K) ^5 m. N ^8 ?% I2 c
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( }3 c' _0 Y2 A8 X% V: L
6.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# T0 b7 _6 l. p$ c+ ]" s7 r
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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