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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：
7 F/ J& o ~- f' f第一个文件 ：
$ n/ z ^- Q F ?( d2 V9 wNAME: WELDING SPECIFICATION, FUSION WELDING
: @% F7 ?- E+ \1. GENERAL * [' v& F/ ^+ L3 k3 k8 b @, `
The purpose of this specification is to define the physical and structural characteristics for
k4 ^! C: P9 }8 e) m fusion welding. The following welding methods may be used to produce fusion welds to
- I1 v% l5 |% p X" _* i this specification:
& l% Q7 E( ?' b2 k( @, |6 d · Manual metal arc · Plasma arc 1 B0 b1 P# J4 s2 |( S
· Submerged arc Gas · Tungsten arc (TIG)
' J- |; k2 N: W7 }/ i" Z- E · Gas metal arc (MIG, MAG) · Oxy-Fuel gas 7 l2 W% ?: W8 ~4 W" R
· Arc Plug Welding : w1 x4 n! G( \/ |9 r: s/ S
第2 个文件3 |. X S# D( |8 Q1 w0 w% |* _
6 l9 s7 J; I2 b& ANAME: WELDING SPECIFICATION, RESISTANCE WELDS, SPOT WELDING AND
4 _9 N/ e4 C4 E1 zPROJECTION WELDING
! t& A: d$ z4 y3 H; U( e8 r! n; v) E# Z RESISTANCE WELDS -SPOT WELDING
1 n: Q9 L7 ? ^7 h$ m4 _1. GENERAL : @ w' \& L, @+ t3 e( D
HN 2278 is mainly derived from General Motors standards GM 4488-M and “GM + x; d: C& z* S v$ n/ e: E
Common Welding Principles WS-1, Section A: Resistance Spot Welding”.
, @, ~( @4 h# q) s: w- M+ @ This standard defines the physical and structural characteristics of resistance spot welds # b) e$ @) V; i+ j4 {' z* r7 x
that will enable manufacturing to produce vehicle structures that will uniformly and ' y2 e: x5 Z# P2 \# c
consistently achieve the minimum quality requirements for welds in all areas of the
! x3 C/ D) G! j vehicle.
9 j0 w& G. [7 M2 v* _ It is the intent of this specification to provide the technical details necessary to achieve a % Z# d$ C( M! H# T# N
uniformly high level of weld quality throughout the vehicle structure and in this way ensure ; B8 T/ H% r6 U/ s6 D
that the majority of welds exceed the strength and quality levels warranted by normal / K$ K) u( ?6 W7 d1 g
service loading. However, in order to deal with the wide variations in severity of service , V# g" G& S6 u5 n# c& i
loading of different components and assemblies, and compliance with Australian Design
8 W* v5 J/ C3 G' Q' n7 g3 z) m Rule and other regional legislative (eg. FMVSS) requirements, the structural 1 w8 `0 i4 B7 y1 c
classifications outlined in Section 3 apply. |
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