螺纹大径:Major Diam3 Z7 z V1 n3 c( n; h8 l! V
螺纹 中径:Pitch diam) t. u6 o- R+ c" m' w ~
螺纹 底径:Minor diam
@9 J; n( v) ?% f J! x3 y! D8 x通止规:Go/No go gage7 m7 w' E% ?# E; l
机械性能:mechanical and physical properties
) p4 y( x# u1 \1 Tunified thread 统一英制螺纹$ w) U; ^ q! P% E" {
Lustrate hydrogen after galvanizing to avoid hydrogen embrittlement 镀后去氢,防止氢脆
3 g- Q2 I! f, Y! r0 v- sCase carburization 表面渗碳- M6 K6 J7 a/ w* H9 f0 {" r/ P6 c
With across flats 对边: I3 a H/ F- x8 }( _& U! }
With across corners 对角' G! ] Q4 q8 ^' m& d( z b& p
Radius of fillet:头下圆角
& F2 J! H5 a5 \Transition thread length 过度螺纹) h: A$ X9 l2 n& o3 I% o# [; k4 b
Wrenching height 扳拧高度
7 e7 N! x# X+ `( XRockwell 铬氏硬度) e6 l* G# Q* y t- H: Z
Vickers 维氏硬度
1 U, v1 }+ j; Z/ S. }' FBrinell 布氏硬度
/ f. v! x7 H3 W _Metallography microscope 金相显微镜* Q! P" d- d/ O: f8 t$ X( K
Salt spray device 盐雾试验箱! e3 m( j. F, K5 J( `; ^
Tensile testing machine 拉力试验机
$ q: N1 k g4 XCold forming 冷打 l: X7 @# L9 ?- e) S
Hot forging 红镦
4 I, n% e- T' e9 T- d7 E8 RP C 8 = property class 8 机械性能8级! f# Y7 s1 j7 ~, h" D5 ^# p
1 S9 w H% s: |6 g* h _# G原材料:Raw material
, |. I* T( I. _球化退火:Annealing- C/ T2 |* U3 K
冷拔:Drawing6 E. x) O! o- H0 w( e$ n( K
冷镦:Forming
' J3 [0 T7 @. N1 A机加工:Machining6 F( o: F5 Q) q- [- {
螺纹成型:Roll Threading
4 ~* H! u) F# Q c1 m* Y5 l热处理:heat-treatment
0 J5 C# A: H) p) s+ @& |! \表面处理:finish9 h& ]3 B+ x1 ^% e6 }
去氢:Lustrating hydrogen0 J' n0 \6 _, x, ^3 h, q
检验:Inspection
2 H! O) L8 M) Q- H! s包装:Packing2 f) U. Q/ `- h- Q' `
入库:Stocking
# ?+ l" H& Z) m* I$ ~% B车床:lathe
9 z' i$ L; b1 I4 u磨制:grinding
3 Z' a8 U3 r1 C: @" z1 n5 \红打:hot forging
% j8 U$ w8 L' Y1 h5 _冲压:punching- J/ P0 N+ c( `% J: h# |
Diameter 直径6 W: z9 L4 T/ r( x$ p
Length 长度
9 \, d4 g+ I5 W' k3 _6 E1 标准0 p; n' O0 J6 x; w) J L5 y( y
GB (国标)ISO(国际标准)
. _/ g* L, c5 c0 e9 E! g# u/ }DIN (德制)7 Q5 q" o* L [2 @' I1 w) Y2 F% U l: [2 q
JIS (日标)/ g8 p) ^/ ^( W$ I0 ]0 b
ANSI /ASME (美标)% i1 `7 L6 m/ |9 n" I
BA (英制)
7 [& |+ `" v. ~$ l& L4 L7 \+ E9 l- \- N: i l
2 螺纹
6 o# Y4 @, a$ x" [- D' b; [M. MF (公制牙)* D5 o J1 [) r/ W5 M1 o$ \
UNC.UNF (美制牙)" Y/ w/ V) U6 F
BSW.BSF (英制牙)
8 x1 M9 M" |4 v' A; B$ s: `3 海关编码- [0 q0 m- H6 n% l6 A5 F
73181500 螺栓5 A& X2 _9 A, a- m
73181600 螺帽+ d+ x1 G; X, u& J* B6 e
73182100 垫圈% q& O3 V; J7 U, M
$ [% {2 ]8 w; P* Y5 E/ o' o6 bBO=black oxide 氧化发黑
% b; X. w$ h" ~$ X2 j3 F* JIHH=ind hex head 锯 六角头
- j6 O$ f: @& M* OPH=phillips 十字槽 l' b$ h; c3 `
sw/fw=split washer/flatwasher 弹垫 平垫$ Z! ~! R: {' O* C
kep nut 锁紧螺母0 o0 A: w9 f, ]5 i& r3 `
cementation 渗碳
/ L& |7 R% O; O% T) E( r6 u, sacorn nut 盖形螺母
8 r2 f3 t' n' m! f+ u4 G( z( X6 R! o2 v5 Y6 }
螺丝头型
* e7 l2 u7 y6 O! u6 T GPan 圆头(盘头)
- h4 _6 U9 W9 q( e& oOval 半沉头( a" f! C' \6 `; ~ B
H.W.H.. 六角小法兰: Z* N0 Z* I5 T& C. J
H.W.F. 六角大法兰
6 Z& b5 K! I4 u; BCSK 沙拉头(沉头)' }4 a1 w& m! ^$ o U$ Y- i
Large wafer 大扁平头
4 s I K" Y. D% q4 E. |9 WBugle 喇叭头! \: J. z( V0 z. x0 `% { H! |8 B
Truss 盘头带垫" u# `9 v, k, T4 c$ e# @4 k
Pozi 米制槽
" o" j/ S8 I* r! b4 yPhill 十字槽
6 @" ~; I( K4 A O V W4 aSerra-tion 垫下带花
3 I! H) Y' ]5 u& d- IFlower Head 开花头
& C6 d5 Y5 F7 K2 v6-bobes recess 内梅花' c# a7 c$ ~. ^9 c0 T
Piston bolt 活塞螺钉
% m4 |$ E. [* TWinding bolt 线圈螺钉" @8 u1 o' e. w, o% @
Hexagon head bolts-full thread 六角头螺栓 全螺纹
$ H) v; U) p& x- GCarriage bolt 马车螺栓
9 w2 f y k3 j+ r3 b6 qSquare head bolt-product grade C 方头螺栓 C级
* `/ e7 I. b. e# z2 _6 U# ?/ WFlat counter sunk square neck bolts 沉头方颈螺栓 q& Q% T1 J( U) t- a
Flat counter sunk nib bolts 沉头带榫螺栓" r# k% O2 T _+ Z
Cup head square neck bolts 半圆头方螺栓" [* Q, ~& @8 S. Q" m' }6 S
Cup head nib bolts 半圆头带榫螺栓
2 R6 M3 _5 I1 t/ E0 g# gCup head square neck bolts with large head –product grade C大半圆头方颈螺栓 C级/ q" h$ K$ V/ j3 D, R
$ f0 V. V- L( M% N' GHexagon head bolts-product grade C六角头螺栓 C级
% D( | m$ H j& q% }) ?2 D" b2 u6 zHexagon head bolts-full thread –product grade C 六角头螺栓 全螺纹 C级) t6 k# s, t$ G3 ?; K# O
Hexagon head bolts 六角头螺栓
+ e# _# c* q4 V) _8 zHexagon head bolts –full thread 六角头螺栓 全螺纹
; `, z I2 ~% ]$ W" R5 }Hexagon head bolts-reduced shank-product grade B六角头螺栓 细杆菌B级
8 D0 y6 b3 |1 l) E" d& `Hexagon head bolts with fine pitch thread 六角头螺栓 细牙" r- p# h0 V/ R: l) q
Hexagon head bolts with fine pitch thread full thread六角头螺栓 细牙 全螺纹0 Y5 |1 h* m4 G0 g
Hexagon flange bolts –heavy series-product grade B 六角法兰面螺栓 加大系列车员 B级
* A- l) q# m. |# ~Cross recessed pan head tapping screws 十字槽盘头自攻螺钉
9 l) r L. m9 X0 {7 AHexagon flange drilling screw with tapping screw thread 六角法兰面自钻自攻螺钉 |