螺纹大径:Major Diam
* N) O+ d v, c' k( o5 e( P螺纹 中径:Pitch diam: O1 m6 F: `$ b7 _1 K6 C: b
螺纹 底径:Minor diam
5 Y9 E' l5 i5 ]2 P2 |9 y通止规:Go/No go gage# `& m. L; }$ P8 O# H; e$ u; N. C
机械性能:mechanical and physical properties
) S6 A8 Y- [# W" F7 s& K# Yunified thread 统一英制螺纹
. c% s6 j* R+ M5 Q# ^# v0 z0 C3 g. \Lustrate hydrogen after galvanizing to avoid hydrogen embrittlement 镀后去氢,防止氢脆; B, o! w& }- O2 U& v* \5 R9 a
Case carburization 表面渗碳
7 K0 i- ^: u' S% o' VWith across flats 对边
$ u% m; Y! a2 _4 uWith across corners 对角+ @) z6 P: [1 L) A& F7 a2 Q' l) |
Radius of fillet:头下圆角7 g/ a9 t1 S* A2 g, ?
Transition thread length 过度螺纹
/ t' W: O$ v3 GWrenching height 扳拧高度3 m4 m; `- |, X% U( o
Rockwell 铬氏硬度3 @) R0 A. s: U% u+ j! Z
Vickers 维氏硬度( j2 ~' l; K, S+ U
Brinell 布氏硬度) s8 | {5 Y8 B
Metallography microscope 金相显微镜# [ T: @( F, n0 [0 ~. j
Salt spray device 盐雾试验箱
- ]& e6 `. F! E: T# z- R. D |$ qTensile testing machine 拉力试验机
2 C# `# m5 E j+ ICold forming 冷打
/ @# x M, r* qHot forging 红镦* \3 k3 ?5 N, V* t; k8 d8 [
P C 8 = property class 8 机械性能8级
/ } F* i# ^( j2 ?5 P- k1 H2 t6 Y1 q
原材料:Raw material 3 {) G# V5 E. Y
球化退火:Annealing7 f0 Q5 _9 W: x; g* O9 d5 B& h
冷拔:Drawing
+ a; A& m$ @* `0 j! e冷镦:Forming
; {* |/ e o6 }0 u0 {/ j; L机加工:Machining
- i. ~0 E; X/ ?! m+ |螺纹成型:Roll Threading
' Q/ C# S9 m; I d7 Y热处理:heat-treatment
( D" e. V$ \8 M表面处理:finish1 t# c- T% W! n3 L: d
去氢:Lustrating hydrogen
0 s1 i; p6 ?/ {- z% z检验:Inspection
& D+ n/ S( y4 f" a包装:Packing
- x" r4 W1 i$ e入库:Stocking9 P, O0 C' i @
车床:lathe+ ~, F2 R$ V% Q
磨制:grinding3 w! Y8 f) p9 V h+ m- a
红打:hot forging, ~4 L, A$ F3 c$ }: m7 [( _
冲压:punching+ j4 G, b6 S; K) ]
Diameter 直径9 _- P$ o8 o/ i M0 {. P
Length 长度. n# v$ ]1 _; c
1 标准
7 L: _& R: r3 m6 y O' E8 l/ g9 lGB (国标)ISO(国际标准)
$ ]4 y0 j. }! Q9 b. C9 T" v. j4 ?DIN (德制)$ y$ o: Y w, R) k, E; O# x
JIS (日标). a5 i& z0 {- a6 q' x
ANSI /ASME (美标)2 B7 r* @4 T( t( ~6 @8 X6 ]4 F0 W% |
BA (英制) Y; y9 d* _1 z" Z7 b+ Y% [% Z1 `! b# _
* {. m( K; y4 V3 l3 E9 P8 A m% a2 螺纹
( R9 X& H+ W' A: e7 [! k- d, {M. MF (公制牙)
% P/ c3 Y# m! g( mUNC.UNF (美制牙)" u. _! y& F2 @# K( r0 f
BSW.BSF (英制牙)' A4 Y2 m! Y$ m0 p1 r
3 海关编码( z" M+ @# r) U; h7 C4 ]$ |
73181500 螺栓
% y& y1 j$ m" w9 h; n7 l4 q) J7 |73181600 螺帽
?" L1 G; v) x7 ? b1 j73182100 垫圈& J! b1 [( B" d! W% v
) p- y U& B; l. P! P7 r- _& c& TBO=black oxide 氧化发黑
4 U2 y4 T5 o1 G9 KIHH=ind hex head 锯 六角头" P4 j+ K+ n1 a% N/ L
PH=phillips 十字槽6 s% F& k% f' h, e* O
sw/fw=split washer/flatwasher 弹垫 平垫. q+ E" D6 G" q
kep nut 锁紧螺母
6 @/ @" J- \. _cementation 渗碳2 ?; Q. Q1 s6 I
acorn nut 盖形螺母
1 E2 J& x" y5 n5 g' i
2 r4 W7 ^! T& D/ E/ P0 X螺丝头型
8 L- Y* x7 a$ ]" D, l8 F- T7 ]3 r2 YPan 圆头(盘头) w- s7 j O5 K6 }6 u9 R- l1 c; N
Oval 半沉头
# L7 j8 E/ p) @+ O- B# t' a/ C4 xH.W.H.. 六角小法兰
8 ]$ r7 [ V) W% r9 YH.W.F. 六角大法兰+ U1 m# _3 h, \/ Y
CSK 沙拉头(沉头)
6 @" I# w+ S8 H7 zLarge wafer 大扁平头
4 U7 A0 V( F& a- ?1 I! f8 l) WBugle 喇叭头
$ a& \' v1 t, LTruss 盘头带垫
7 P6 n. W& o5 a) jPozi 米制槽! L# o- S: | N; ~
Phill 十字槽8 v+ ]+ o* q, x, D& g! M X4 T
Serra-tion 垫下带花
. R3 V+ m. ^ o1 p! s" ?0 W2 A6 BFlower Head 开花头
' Q" ?8 Q* H9 F! O3 I; C. q1 i6-bobes recess 内梅花4 g2 F! l) h/ u: ` ?% X+ b2 C
Piston bolt 活塞螺钉2 H1 L: k Z4 n3 _
Winding bolt 线圈螺钉3 ?9 o; f1 T& N3 G6 b/ b" V3 G; a
Hexagon head bolts-full thread 六角头螺栓 全螺纹
/ I- _ R# v5 l3 T2 K7 k+ F8 dCarriage bolt 马车螺栓
) T' C: c9 f! m4 w8 KSquare head bolt-product grade C 方头螺栓 C级
5 V0 z' n& N( F" J9 IFlat counter sunk square neck bolts 沉头方颈螺栓# x2 c( H" l. {4 `: D3 U
Flat counter sunk nib bolts 沉头带榫螺栓
. @& N" n0 J2 O7 [6 J6 u: z* VCup head square neck bolts 半圆头方螺栓0 g5 w2 H0 j F# k: i2 O
Cup head nib bolts 半圆头带榫螺栓
9 [! w( e. {+ K7 X% ~; p' ]; c8 ?Cup head square neck bolts with large head –product grade C大半圆头方颈螺栓 C级8 B' a( H/ g2 c" C% D* B: B$ M( C
& w c/ N4 j) O( F5 q4 {Hexagon head bolts-product grade C六角头螺栓 C级
. Z; ]! f) i4 F; L" @) jHexagon head bolts-full thread –product grade C 六角头螺栓 全螺纹 C级
/ m' P: j4 N j& i& KHexagon head bolts 六角头螺栓 % g# t) q- C. g" J! a
Hexagon head bolts –full thread 六角头螺栓 全螺纹- Y6 i8 S( L+ X* Y: S
Hexagon head bolts-reduced shank-product grade B六角头螺栓 细杆菌B级
0 K1 G, \% ?0 v/ r( m% THexagon head bolts with fine pitch thread 六角头螺栓 细牙
|, j, m! ^% Y1 x% tHexagon head bolts with fine pitch thread full thread六角头螺栓 细牙 全螺纹# {& v" G/ \9 [- |) L+ l0 M! u
Hexagon flange bolts –heavy series-product grade B 六角法兰面螺栓 加大系列车员 B级
- Z& b) t0 x7 C* ~Cross recessed pan head tapping screws 十字槽盘头自攻螺钉
$ i; y4 F% S# ~Hexagon flange drilling screw with tapping screw thread 六角法兰面自钻自攻螺钉 |