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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：6 B' n3 f& M0 _0 l+ g8 [
第一个文件 ：+ K$ y9 _) {- B* u' t- W/ X0 Y
NAME: WELDING SPECIFICATION, FUSION WELDING
5 r; p {" U: Q+ ?" o1. GENERAL 1 s3 ]& T5 [* P. D+ f
The purpose of this specification is to define the physical and structural characteristics for $ _4 Q; X h1 W2 Q
fusion welding. The following welding methods may be used to produce fusion welds to ( g; s7 Y t9 y; A5 ?6 M
this specification:
) ^2 m" l9 \% A2 v/ g · Manual metal arc · Plasma arc
+ j( _( j9 d6 o4 L8 w1 j · Submerged arc Gas · Tungsten arc (TIG)
/ m/ L) B" b7 g! |( x1 n · Gas metal arc (MIG, MAG) · Oxy-Fuel gas
4 h- G0 Y8 |. n0 } · Arc Plug Welding
4 W# r/ r5 f, V6 b: A- F第2 个文件
: l4 _% q% k+ y5 @7 T+ }! @# C0 \; \& {. \; v
NAME: WELDING SPECIFICATION, RESISTANCE WELDS, SPOT WELDING AND * `8 Z; e# d) P# h/ y0 x* h
PROJECTION WELDING ! }- v. h5 O9 h u+ P
RESISTANCE WELDS -SPOT WELDING & c6 h' ]% d0 h1 U
1. GENERAL ( I( l1 j) _; h# H0 L- D
HN 2278 is mainly derived from General Motors standards GM 4488-M and “GM 8 ^+ S& A' g- O" v& @8 b: G
Common Welding Principles WS-1, Section A: Resistance Spot Welding”. ; M: B- {: e" L( r9 N
This standard defines the physical and structural characteristics of resistance spot welds
4 _: B) Q |2 r9 j) W( z" v2 Y that will enable manufacturing to produce vehicle structures that will uniformly and : U2 V( \" Q( [) l+ Z5 ~
consistently achieve the minimum quality requirements for welds in all areas of the # t N1 o& u8 V) O0 I8 T: H" \: S
vehicle. # D' h5 p2 G) e3 ?9 f6 g9 U6 O$ p
It is the intent of this specification to provide the technical details necessary to achieve a
+ k5 n5 [* V/ `+ P% R uniformly high level of weld quality throughout the vehicle structure and in this way ensure
6 j$ ]( G% B5 W; g1 B that the majority of welds exceed the strength and quality levels warranted by normal + ]; {9 g. \9 `
service loading. However, in order to deal with the wide variations in severity of service . l( h/ z+ }+ j
loading of different components and assemblies, and compliance with Australian Design i0 f9 F- [5 d: ~; K4 C/ a
Rule and other regional legislative (eg. FMVSS) requirements, the structural
5 b% j5 G8 D2 F" k; }, v) u classifications outlined in Section 3 apply. |
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