螺紋大徑:Major Diam
: J; R2 K0 a5 a8 d! \& A6 v螺紋 中徑:Pitch diam
- [+ }6 F3 I; S/ \8 u螺紋 底徑:Minor diam1 L) }5 Y6 t3 [6 q
通止規(guī):Go/No go gage
) @2 ^9 q; z5 l+ n% t, @; @$ i' j機械性能:mechanical and physical properties
' w" | ~* m, \( N/ r4 g4 dunified thread 統(tǒng)一英制螺紋& w2 W' k2 N, `4 \0 U/ A
Lustrate hydrogen after galvanizing to avoid hydrogen embrittlement 鍍后去氫,防止氫脆. ~2 \& k& J9 W$ ~ r' d
Case carburization 表面滲碳8 c: r4 C6 w8 `
With across flats 對邊3 @& c8 R7 Q: Q. q1 `& i
With across corners 對角4 i$ [7 w/ C$ [
Radius of fillet:頭下圓角1 |! r' ^2 Z8 G0 u3 y0 }, x
Transition thread length 過度螺紋
4 p7 q( H1 d/ n; V: C# ?1 PWrenching height 扳擰高度; [1 Y! b- E/ X1 f1 ^, B8 u: }, Y
Rockwell 鉻氏硬度8 o6 u, w, ?& U8 T! O
Vickers 維氏硬度1 t2 }# W# ^, B5 r2 e
Brinell 布氏硬度
% P& x& w/ e! F, z% s; g+ ^' z. ]Metallography microscope 金相顯微鏡
" G( x% ^7 |, W; r3 P, qSalt spray device 鹽霧試驗箱
2 @2 U/ G5 c4 i7 W+ wTensile testing machine 拉力試驗機8 H) \* _1 D2 p! n8 c V3 d0 b
Cold forming 冷打
: g, h( x( W ?% O1 rHot forging 紅鐓6 H$ [- M7 i# n- O5 A
P C 8 = property class 8 機械性能8級
4 [$ ~/ Q' d# {6 Q1 x2 g
! _ a; r, l5 R6 r/ p9 H3 b原材料:Raw material ' M1 p, `1 T4 x. o# w# E. C
球化退火:Annealing. m* ]1 j& B! V( R$ W6 f. J
冷拔:Drawing" }1 o n# l {: y# W1 i" |) x
冷鐓:Forming
' K+ c+ }5 j7 M3 d: @% V機加工:Machining4 H: D% R f/ o
螺紋成型:Roll Threading
9 y( H6 ? I0 Y熱處理:heat-treatment( ?6 ^# Y( j: P3 Z2 Q9 O
表面處理:finish
6 y1 E5 A- A& Q$ _8 y3 ?. q) y去氫:Lustrating hydrogen1 s+ i6 K# v8 _) n1 t. s
檢驗:Inspection
* P; k6 t3 _3 W6 P/ ^包裝:Packing
% b: M3 f9 T P% Z% H# K% Z入庫:Stocking
$ w' o) E4 R5 _: v0 U車床:lathe, M) }7 u) |2 Y& b4 S
磨制:grinding
: W. E: T( T* B8 k# u L+ s9 L6 \紅打:hot forging" h# w8 c* Z8 T! w* |2 f O9 n
沖壓:punching
/ l, Q, V2 x, J/ cDiameter 直徑
' q( o; G" G3 {6 QLength 長度2 r2 [) l1 q, \% K. L0 P1 Q- v
1 標(biāo)準(zhǔn)& X2 H' t& V) D O7 P" C
GB (國標(biāo))ISO(國際標(biāo)準(zhǔn))) w9 X. X7 u1 g5 `
DIN (德制)/ [4 V! ~5 |9 d/ A+ T, @/ H1 R+ [
JIS (日標(biāo))0 {" f3 g$ k( @; y) ?
ANSI /ASME (美標(biāo))0 g5 \ Z6 m6 }" K( M, \
BA (英制)8 P* L1 m0 \' a5 L
8 B, q' H& P' t3 T
2 螺紋
* p: v4 y6 r- U$ aM. MF (公制牙)
" K; A/ f. x) [5 UUNC.UNF (美制牙)3 ?4 [" V3 i2 J, |% X
BSW.BSF (英制牙)4 c8 B' V4 H4 z
3 海關(guān)編碼
% t* ?1 s' {% e9 _8 d. ?73181500 螺栓
! O6 A3 M' f5 v( T V73181600 螺帽: f/ u5 @. l/ x% |: k! R, G
73182100 墊圈, | f: X" s- d. z
1 i9 }! x) T( q5 K
BO=black oxide 氧化發(fā)黑, t$ X% [4 d) L: d& P! D4 u
IHH=ind hex head 鋸 六角頭0 C! K) b8 d( o+ O' n1 T
PH=phillips 十字槽
- C2 @7 r n# ~0 @3 {8 Isw/fw=split washer/flatwasher 彈墊 平墊
( A7 d) c* b: b% R+ E. h- E: Lkep nut 鎖緊螺母
, d8 H3 K( T5 Z3 A& qcementation 滲碳+ s! Z2 M! x) |3 N2 V
acorn nut 蓋形螺母
2 r" V1 W# \5 Y2 G* W+ ]; n3 w9 c9 x' d: @: h0 d! {
螺絲頭型
' c" k- i( Q: F$ b& P, o$ Z- a0 tPan 圓頭(盤頭)2 V! {2 Z3 c2 Q7 V' a
Oval 半沉頭
/ f* n* C1 h" d7 B# ]H.W.H.. 六角小法蘭
7 W3 m/ x( J# t; t1 y4 l5 l3 LH.W.F. 六角大法蘭
: ]* z* N. B, x% P' t rCSK 沙拉頭(沉頭)% P8 g+ q; b, b- c0 {
Large wafer 大扁平頭+ P' x2 q* X2 u+ d) A8 z/ X4 {9 Q
Bugle 喇叭頭
" E; K: W+ ]* ]. B, e: B6 fTruss 盤頭帶墊
) v+ k& j+ I" F+ J+ o) CPozi 米制槽- n& {- r# H$ P( T5 H7 u. W
Phill 十字槽" b+ J, h% m( |4 E7 z, ?% W
Serra-tion 墊下帶花
1 c$ I; F/ K0 l+ A: v7 B; |Flower Head 開花頭 $ ]6 \+ e a; l; l9 m5 m# b: w4 H
6-bobes recess 內(nèi)梅花. k8 O+ i, K1 r0 g) }3 I
Piston bolt 活塞螺釘
' J. o# c8 } ZWinding bolt 線圈螺釘) @9 o6 ]! v: ~* }5 f) [# ^' i
Hexagon head bolts-full thread 六角頭螺栓 全螺紋2 Z) y; G9 e3 Y6 S0 [" P
Carriage bolt 馬車螺栓% F+ W* H, S& w, u4 D4 L
Square head bolt-product grade C 方頭螺栓 C級- U F8 [2 f" A$ O6 z$ ?4 D5 ]
Flat counter sunk square neck bolts 沉頭方頸螺栓
% u# ~! X" g- {8 O1 k$ {9 LFlat counter sunk nib bolts 沉頭帶榫螺栓
t3 W9 M, }8 V/ y3 u) JCup head square neck bolts 半圓頭方螺栓
7 J9 w F8 w1 i2 Q$ b3 w( n- D# I1 l9 MCup head nib bolts 半圓頭帶榫螺栓5 r# x* y* b& ~# N- J- V# X3 T
Cup head square neck bolts with large head –product grade C大半圓頭方頸螺栓 C級% I8 b+ O( C/ H' \ P7 [* E# w1 l
: Y$ W) n! _, d1 y/ o
Hexagon head bolts-product grade C六角頭螺栓 C級
- K2 y/ `! u( a/ pHexagon head bolts-full thread –product grade C 六角頭螺栓 全螺紋 C級
' v1 a5 i* Z: ^+ @" A" GHexagon head bolts 六角頭螺栓
; T! G. @5 g' a vHexagon head bolts –full thread 六角頭螺栓 全螺紋) `9 c+ A- I5 r% i
Hexagon head bolts-reduced shank-product grade B六角頭螺栓 細(xì)桿菌B級
$ j- n4 _" h' B0 j+ aHexagon head bolts with fine pitch thread 六角頭螺栓 細(xì)牙
( y& j- T1 v) [$ I1 P: fHexagon head bolts with fine pitch thread full thread六角頭螺栓 細(xì)牙 全螺紋
5 l, h/ D: @3 S( \7 W i+ dHexagon flange bolts –heavy series-product grade B 六角法蘭面螺栓 加大系列車員 B級
* H! G1 D0 ? Z5 v+ u+ _% \Cross recessed pan head tapping screws 十字槽盤頭自攻螺釘! }& Y3 G0 n4 q+ M' u9 V
Hexagon flange drilling screw with tapping screw thread 六角法蘭面自鉆自攻螺釘 |