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发表于 2007-8-6 14:32:49
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来自： 中国河北石家庄
内容很清晰，发个概况：
% l7 \9 {& T% ^ @第一个文件 ：
! p& o3 }) ~8 L* W JNAME: WELDING SPECIFICATION, FUSION WELDING $ P" ?; Q- U& R7 q) U1 u3 [* j% i
1. GENERAL ' V1 T0 q8 ~3 i- I& r! P- O& R! v
The purpose of this specification is to define the physical and structural characteristics for 9 i2 P/ U2 S% t1 k, X4 A
fusion welding. The following welding methods may be used to produce fusion welds to 1 e+ Z# Q: j! m
this specification:
6 a/ q& m' X0 r. B% j9 N · Manual metal arc · Plasma arc
% V6 x9 O2 P' } u5 f5 i · Submerged arc Gas · Tungsten arc (TIG)
- E6 [! O0 ~2 @" h3 e: H) Y: @ · Gas metal arc (MIG, MAG) · Oxy-Fuel gas , z- M, A, o8 L0 A) H8 ~
· Arc Plug Welding
" N8 g w& [7 \第2 个文件: z* \$ b9 K6 z
6 `3 V- I. P9 R6 Z7 J: `0 PNAME: WELDING SPECIFICATION, RESISTANCE WELDS, SPOT WELDING AND
" r3 g0 A0 P% g+ xPROJECTION WELDING % K- a7 U. j* S' C% n$ t. S# ~$ y
RESISTANCE WELDS -SPOT WELDING
. d: J1 |: S4 {1. GENERAL
+ M& k: C# k) E5 J$ r0 \- o HN 2278 is mainly derived from General Motors standards GM 4488-M and “GM ' g2 y( Z" u* A1 f, c. A
Common Welding Principles WS-1, Section A: Resistance Spot Welding”.
% c: [! B! Z8 j This standard defines the physical and structural characteristics of resistance spot welds A- [. c5 }+ J4 t& Q* S/ y
that will enable manufacturing to produce vehicle structures that will uniformly and 6 C- n" E7 W) M$ u
consistently achieve the minimum quality requirements for welds in all areas of the
+ z8 y* u2 ` R5 i! _/ l vehicle. ! c4 x6 i1 W n. |$ e }% T& D
It is the intent of this specification to provide the technical details necessary to achieve a / q5 N3 S+ N& T: r
uniformly high level of weld quality throughout the vehicle structure and in this way ensure # j8 b/ b" V5 q5 V$ |
that the majority of welds exceed the strength and quality levels warranted by normal
8 \0 a: E) h0 v' O- ?4 @ service loading. However, in order to deal with the wide variations in severity of service 6 y# t+ E) J% E1 r, h1 h; @
loading of different components and assemblies, and compliance with Australian Design 1 |9 U4 a5 ^. o4 R
Rule and other regional legislative (eg. FMVSS) requirements, the structural ) z5 k- K8 a) g
classifications outlined in Section 3 apply. |
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