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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:" ^$ A* N) B4 D$ t4 v' g
第一个文件 :
, \, D* |' E" u7 s+ Z. m6 }1 oNAME: WELDING SPECIFICATION, FUSION WELDING 0 x8 D- R+ c6 R2 U: e
1. GENERAL ; |) ~( M0 s; N- K( O W4 Z
The purpose of this specification is to define the physical and structural characteristics for
; P; x; B/ r( S( a& ~7 R& b fusion welding. The following welding methods may be used to produce fusion welds to 2 H) E. B4 \* S, ~; P! {
this specification: 4 _+ F+ f) z1 T
· Manual metal arc · Plasma arc # P, A* s' n3 `3 K( l* [
· Submerged arc Gas · Tungsten arc (TIG) ( G& R0 W X9 e' W' d, v( v
· Gas metal arc (MIG, MAG) · Oxy-Fuel gas 5 d: H/ k! }3 _- x4 f
· Arc Plug Welding . I$ |! z9 y7 P4 I% K4 J
第2 个文件
9 ~. g4 w" \1 i* n. x& E8 Q: `% U |( Z3 K' B- Q1 C, |1 e8 C8 r
NAME: WELDING SPECIFICATION, RESISTANCE WELDS, SPOT WELDING AND
9 I. d7 T" H1 D* y3 u" dPROJECTION WELDING / ^: W8 ?' ~0 Y- o8 @
RESISTANCE WELDS -SPOT WELDING
) }- H& N% k) L9 `3 k1. GENERAL ' f7 t: r5 |8 N8 t* F" Y. n6 }
HN 2278 is mainly derived from General Motors standards GM 4488-M and “GM
. `- e3 N' b# [ Common Welding Principles WS-1, Section A: Resistance Spot Welding”.
! t. B$ o6 X$ ^9 _) T This standard defines the physical and structural characteristics of resistance spot welds
O; F# C& \* X% ]( Y5 g that will enable manufacturing to produce vehicle structures that will uniformly and 5 u4 A# H1 m0 S' E( P q
consistently achieve the minimum quality requirements for welds in all areas of the ~3 H1 k( F; Z8 @
vehicle. # f/ }. _; S5 |) ~) z( p- M/ L
It is the intent of this specification to provide the technical details necessary to achieve a + O4 ?% C8 ^2 n
uniformly high level of weld quality throughout the vehicle structure and in this way ensure
" }1 y5 w. G3 f2 a7 j% }+ L that the majority of welds exceed the strength and quality levels warranted by normal , z! y0 O8 j! H! V4 A, t
service loading. However, in order to deal with the wide variations in severity of service 4 N0 k3 F$ y" y4 \8 _! v B Q
loading of different components and assemblies, and compliance with Australian Design 7 j& G$ |. }% e
Rule and other regional legislative (eg. FMVSS) requirements, the structural
$ ^5 T Z+ ^3 l6 S classifications outlined in Section 3 apply. |
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