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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:
+ ? W" r; y! T/ b" M# ]第一个文件 :2 x# }- n, X+ {7 a' L6 U
NAME: WELDING SPECIFICATION, FUSION WELDING
* O- B, h. }. Z/ p" Y2 u1. GENERAL 2 a$ `) W5 @7 j; N
The purpose of this specification is to define the physical and structural characteristics for
9 M6 x$ \4 l3 O fusion welding. The following welding methods may be used to produce fusion welds to
* z* y( z. l. ]. [. H& E this specification:
; @2 m x% K) x B+ R, i/ N* R · Manual metal arc · Plasma arc
6 P0 J" Q! Z5 A3 t · Submerged arc Gas · Tungsten arc (TIG) " a5 c' F7 E: r5 S5 f# g X! A
· Gas metal arc (MIG, MAG) · Oxy-Fuel gas . {% k0 U+ d e( \
· Arc Plug Welding & m$ m- g$ _3 L/ w& d) q
第2 个文件4 W6 C/ l8 f( t- W; P( w
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NAME: WELDING SPECIFICATION, RESISTANCE WELDS, SPOT WELDING AND
( w$ P2 |" w9 XPROJECTION WELDING
. U% r& T) J2 k! [1 y4 g; i1 Y RESISTANCE WELDS -SPOT WELDING # J# S, s3 ?+ {* {
1. GENERAL
+ W* ~: @: l4 Z8 O HN 2278 is mainly derived from General Motors standards GM 4488-M and “GM " A% x% `/ O% x
Common Welding Principles WS-1, Section A: Resistance Spot Welding”.
3 }, r* T$ J! b4 R+ j3 M This standard defines the physical and structural characteristics of resistance spot welds
! s; K- i- X9 `/ C2 s; K" n+ R that will enable manufacturing to produce vehicle structures that will uniformly and
7 I% n$ [) u8 z2 W& O consistently achieve the minimum quality requirements for welds in all areas of the
4 g8 c8 T7 @+ j vehicle. ) e: j0 P, @) y: M6 ?8 z2 J6 p
It is the intent of this specification to provide the technical details necessary to achieve a ! a2 r& E- @4 Y O* }2 Z" C: K% L* v
uniformly high level of weld quality throughout the vehicle structure and in this way ensure & k! D8 v$ \0 p& {' \
that the majority of welds exceed the strength and quality levels warranted by normal
3 T# L- j7 A* ^' X# i service loading. However, in order to deal with the wide variations in severity of service
+ f( V! l% Z4 o* ?$ e" h loading of different components and assemblies, and compliance with Australian Design
& L) b5 o: h1 |% [% l/ u Rule and other regional legislative (eg. FMVSS) requirements, the structural
- Y' s6 x4 Q# R5 m% Z* D: y; t classifications outlined in Section 3 apply. |
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