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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：
o9 { o' T9 e第一个文件 ：# X( a% {. O: k2 K. a+ y/ j
NAME: WELDING SPECIFICATION, FUSION WELDING % S6 k z7 R4 S' f1 d9 `( t" V
1. GENERAL
9 t. d" d. J) L The purpose of this specification is to define the physical and structural characteristics for
4 U+ N! s3 V/ g: |' P5 C fusion welding. The following welding methods may be used to produce fusion welds to - ^. h, L. ?' ^2 p3 g4 X
this specification:
7 Z5 J1 d4 m4 t2 {: L8 r · Manual metal arc · Plasma arc 4 ?! f! R6 |$ |2 q! f6 f, G
· Submerged arc Gas · Tungsten arc (TIG)
. l& t p: r2 O: V2 W · Gas metal arc (MIG, MAG) · Oxy-Fuel gas
9 R3 S2 k! |% x( o% D7 i · Arc Plug Welding
6 _/ U/ h% B: C9 v0 d& _$ i9 `第2 个文件: m+ U5 j S0 I' Z
} p. x$ O* }, ~NAME: WELDING SPECIFICATION, RESISTANCE WELDS, SPOT WELDING AND - |1 }( p" O; @* s2 ?! I
PROJECTION WELDING
8 \7 k: F; N; s3 c1 n8 k RESISTANCE WELDS -SPOT WELDING
& F4 d$ {/ P0 p$ o, Y' `1. GENERAL
3 e- A. n" V* r! M! Y. `, D( L HN 2278 is mainly derived from General Motors standards GM 4488-M and “GM
# `; @& v# S7 b) k; D3 `. [. j! S Common Welding Principles WS-1, Section A: Resistance Spot Welding”.
7 V, ]4 R( u) l: w0 K V This standard defines the physical and structural characteristics of resistance spot welds 1 d9 h% {8 G2 I) [2 s, v
that will enable manufacturing to produce vehicle structures that will uniformly and * S) \; \% g# b3 B% F- r
consistently achieve the minimum quality requirements for welds in all areas of the
A' l0 K3 ?# a4 \* N, R+ u$ U0 A vehicle.
. z4 P& s# s5 Z d2 S2 X4 E/ x0 J" g It is the intent of this specification to provide the technical details necessary to achieve a
0 L0 E: ~3 @$ i7 {7 m u uniformly high level of weld quality throughout the vehicle structure and in this way ensure 0 ^! _0 K! e* v9 p3 M9 r; r. B& }
that the majority of welds exceed the strength and quality levels warranted by normal
- w: w3 T; |& F; z3 x0 _ service loading. However, in order to deal with the wide variations in severity of service
) P* d3 D% K4 a loading of different components and assemblies, and compliance with Australian Design / G0 X( E$ t( T) w* F
Rule and other regional legislative (eg. FMVSS) requirements, the structural 9 ?. a9 x9 ^2 O
classifications outlined in Section 3 apply. |
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