螺纹大径:Major Diam; D! c( h) v, b, l& `1 i: } 螺纹 中径:Pitch diam* R2 T; ^; u: B2 [" L* n" s 螺纹 底径:Minor diam # R% |! v! j1 x1 v通止规:Go/No go gage ! i, H2 p9 k" \3 q1 r) L机械性能:mechanical and physical properties- i+ E! @2 g4 v unified thread 统一英制螺纹 + t y9 T6 J- `9 _ R8 lLustrate hydrogen after galvanizing to avoid hydrogen embrittlement 镀后去氢,防止氢脆! I. K, F' @: g: w! O Case carburization 表面渗碳* C* `4 Y O- X P2 B& ] With across flats 对边 8 {4 k; N' y' ]8 Q5 HWith across corners 对角 3 v5 N; W; Q2 _/ A' V2 e8 ~, jRadius of fillet:头下圆角6 l I8 t1 U6 M$ N4 i Transition thread length 过度螺纹 8 w: n2 x% q1 T4 H0 J+ U' tWrenching height 扳拧高度 0 T3 D4 J; \+ H/ P0 x" y, HRockwell 铬氏硬度 & A$ p/ J8 }9 c% K' xVickers 维氏硬度" f( e3 ^) X+ h% @: b x% I Brinell 布氏硬度1 T: G) e& H# _9 _, Y Metallography microscope 金相显微镜, `* R# R; q9 O% q/ ] Salt spray device 盐雾试验箱5 l! ~5 X8 n9 ?* l# ?- a5 q- z% C Tensile testing machine 拉力试验机( x! ^+ i; i( i2 V3 x Cold forming 冷打 " M3 s1 q: {. E3 h7 z# T. I4 {Hot forging 红镦 5 ` e# ]( r* Z6 R1 KP C 8 = property class 8 机械性能8级9 b( J$ i8 h0 P& K: g! v
" o5 @6 A7 Q9 m原材料:Raw material ) X4 P" M; e$ _3 p球化退火:Annealing$ s9 o9 I0 K; M$ e/ [! u& D; v 冷拔:Drawing ! x: K& C- M* N: C+ C! Y冷镦:Forming- ]" d2 x: h) E" Q# g 机加工:MachiningA4 X& F% i; { 螺纹成型:Roll Threading4 d& I8 k1 k+ o. t( O) ?0 f ] 热处理:heat-treatment / H d, S& T; p1 r$ |* f% f/ Z9 w表面处理:finish! A, a, R7 L* B8 u) t. n. p 去氢:Lustrating hydrogenF' Q! Y2 w. c# ] 检验:Inspection & k4 ~* W) }4 h% D: {& R: S- e包装:Packing & Y- X9 k2 i7 S# D; |) o, F入库:Stocking , k6 ~5 J+ J# `' E% B' c: a车床:lathe/ x0 B1 O2 G: D 磨制:grindingk) c+ v. g) y8 N' l: [, y- ~7 n: E 红打:hot forging9 n7 p' a0 h8 _" J& g7 \ 冲压:punching' W9 Z( J* P; ~3 } Diameter 直径 . ]) T* R8 `/ }8 p+ [9 e1 R- |Length 长度 7 _; C8 m$ l& W% l. I9 t1 标准 ( s2 A4 m; e& a+ QGB (国标)ISO(国际标准) ! X1 ^* O/ x4 {DIN (德制) 2 }; Z# i7 R; z1 w' XJIS (日标) 9 Y1 ~% o0 b( K) nANSI /ASME (美标) ! l8 T( i1 J. j6 u+ d$ P. M xBA (英制) / Z9 j; Z* v+ B* A% a: b: A8 d3 M& [0 L" E 2 螺纹) ^) m1 E- l; z! c$ K% [1 ~ M. MF (公制牙) . i! @- j9 P' C( w( ]$ GUNC.UNF (美制牙)8 c4 e$ [* c- F1 z' f BSW.BSF (英制牙). a% {! @8 U, Y3 b 3 海关编码 3 U. T* R/ R7 p3 e73181500 螺栓 + C) G; L/ n% X/ w: Q73181600 螺帽$ s' ~0 s. i) i) h2 ]7 D 73182100 垫圈 ' {3 E9 r- l: h2 I G. y6 M; |. {/ M1 o5 k* l BO=black oxide 氧化发黑 . y8 |9 @0 u. RIHH=ind hex head 锯 六角头 1 `* u6 o5 p6 g2 `+ @7 sPH=phillips 十字槽" |; Y7 X* ^: f v: P9 P1 _ sw/fw=split washer/flatwasher 弹垫 平垫 * Y" B. ^ X+ m4 W! J7 S, Wkep nut 锁紧螺母# E! }3 E# X: ? M cementation 渗碳( P D" w' X9 Y ~/ Y acorn nut 盖形螺母& w& ]4 f/ o7 X5 C
) O6 e# Q3 F4 @+ o: ^ p C- H螺丝头型 ( y4 T$ v- M9 v) a- F" ]( r4 U; U( PPan 圆头(盘头)* v# C" ^) C$ I: A' q1 }$ F$ K Oval 半沉头 0 H1 F# q* y; p) k/ u/ B/ L( YH.W.H.. 六角小法兰 7 V+ A2 B5 }0 ~ CH.W.F. 六角大法兰 2 a6 l- x6 O% J/ P$ V y0 R0 h2 jCSK 沙拉头(沉头)3 e0 ^0 w" v' W, z# J7 G" B Large wafer 大扁平头1 L( E! @( H$ F0 N Bugle 喇叭头 3 p0 d0 h) Y0 O3 g) x2 o/ nTruss 盘头带垫$ m2 o8 F4 n7 h( H! d- Q/ }3 T Pozi 米制槽 / z* L7 P1 a- w, E8 zPhill 十字槽 * o; ~. p; {, P) i, {Serra-tion 垫下带花 9 C$ U: _; s, y/ T g7 EFlower Head 开花头: B, d( R9 z! q/ B" j' ^! @& t! Y9 ? 6-bobes recess 内梅花 ! t% X8 U/ Z8 D/ gPiston bolt 活塞螺钉 3 p9 `9 R. C9 R! eWinding bolt 线圈螺钉 4 A8 N' C1 b1 K2 j8 D! [: cHexagon head bolts-full thread 六角头螺栓 全螺纹4 w% R% U) R' K3 B* K, g% J Carriage bolt 马车螺栓 1 k& W3 i' p( C0 W) YSquare head bolt-product grade C 方头螺栓 C级 2 t7 i5 \ }; L5 P7 n4 hFlat counter sunk square neck bolts 沉头方颈螺栓; N, d" W4 ^# ?9 u% X" w8 a p Flat counter sunk nib bolts 沉头带榫螺栓 ) z: U, Z( O% m% ]2 r. J. sCup head square neck bolts 半圆头方螺栓7 J+ @" O2 L7 Y8 e3 m3 d Cup head nib bolts 半圆头带榫螺栓 , M B9 Z9 [& L. D9 @Cup head square neck bolts with large head –product grade C大半圆头方颈螺栓 C级 / e9 D% m( G4 v4 P T- u" e0 d6 g0 w: {" B5 n Hexagon head bolts-product grade C六角头螺栓 C级, F) M0 K8 h6 R( h# T$ S Hexagon head bolts-full thread –product grade C 六角头螺栓 全螺纹 C级. o( C; L* }+ W6 [ Hexagon head bolts 六角头螺栓 q& y/ w7 x8 }- L8 bHexagon head bolts –full thread 六角头螺栓 全螺纹 , p& P$ z# W" a: \Hexagon head bolts-reduced shank-product grade B六角头螺栓 细杆菌B级 i1 Y' J A J+ }& Z; \Hexagon head bolts with fine pitch thread 六角头螺栓 细牙 0 x( {/ x/ z- v/ a) `' AHexagon head bolts with fine pitch thread full thread六角头螺栓 细牙 全螺纹 1 U( i( P- ?5 B }3 h7 jHexagon flange bolts –heavy series-product grade B 六角法兰面螺栓 加大系列车员 B级. b, k1 k/ h7 Q$ Y Cross recessed pan head tapping screws 十字槽盘头自攻螺钉7 f! V- W0 [; ^( v! [ Hexagon flange drilling screw with tapping screw thread 六角法兰面自钻自攻螺钉 |