|
|
发表于 2007-8-6 14:32:49
|
显示全部楼层
来自: 中国河北石家庄
内容很清晰,发个概况:4 q, [9 H+ S$ T. d) U- z0 X, F$ [4 u
第一个文件 :
, e9 r7 [* x A( |NAME: WELDING SPECIFICATION, FUSION WELDING
! U; E2 E8 \4 `# h; j4 k! c- f. C1. GENERAL 7 w7 c; S$ C- `2 N
The purpose of this specification is to define the physical and structural characteristics for
: g8 ]3 U5 F* p5 Y/ A. \) f- E8 k4 Q fusion welding. The following welding methods may be used to produce fusion welds to
9 k' J @% o- C0 P, c7 p this specification: % g' v" X3 l. Q5 F) H
· Manual metal arc · Plasma arc
) C$ j/ |4 k$ w · Submerged arc Gas · Tungsten arc (TIG) ( S/ w& X- N& ^) [" ]; j
· Gas metal arc (MIG, MAG) · Oxy-Fuel gas / v& y) O, T2 r
· Arc Plug Welding
1 W( O1 O6 p: I K5 I0 a! ?第2 个文件
M% X- L6 O! O) }
( M, y0 k3 c- s( [/ C- ANAME: WELDING SPECIFICATION, RESISTANCE WELDS, SPOT WELDING AND 5 c6 q& F/ {% r% C) X
PROJECTION WELDING . O1 [' v: ?: v6 F4 q C
RESISTANCE WELDS -SPOT WELDING
" ?) M: v! v4 F1. GENERAL
- H$ ?) z5 U2 M HN 2278 is mainly derived from General Motors standards GM 4488-M and “GM 4 o! J/ `! q4 `+ i
Common Welding Principles WS-1, Section A: Resistance Spot Welding”. ) S6 f; R1 J& C8 X: E# g7 }2 E
This standard defines the physical and structural characteristics of resistance spot welds ) |$ H6 A: [: N7 I8 d
that will enable manufacturing to produce vehicle structures that will uniformly and
1 ]( R6 O# I2 c7 r consistently achieve the minimum quality requirements for welds in all areas of the % O* n9 [+ q3 f9 l4 s
vehicle. " t1 {) \4 H; G3 W4 W6 n
It is the intent of this specification to provide the technical details necessary to achieve a ' \5 u7 f' ~3 |7 S8 N
uniformly high level of weld quality throughout the vehicle structure and in this way ensure 1 r) K( x( Y, t% m W
that the majority of welds exceed the strength and quality levels warranted by normal
M1 v2 }# | k( n$ L service loading. However, in order to deal with the wide variations in severity of service
! G6 O2 N, o1 d# X# t/ K4 Y loading of different components and assemblies, and compliance with Australian Design 9 C8 ]* R" p& O6 W" H
Rule and other regional legislative (eg. FMVSS) requirements, the structural
' Q+ p% v4 o" H3 S M classifications outlined in Section 3 apply. |
|