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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 v4 O$ P8 K7 ?( N$ J* ?0 Q
第一个文件 :
7 i' P. J; w8 w5 M$ I1 w3 g0 tNAME: WELDING SPECIFICATION, FUSION WELDING & G! I6 @3 j+ G! K9 F/ {9 e( V
1. GENERAL
' E' z: S' [7 Y* s8 h3 ]3 t The purpose of this specification is to define the physical and structural characteristics for 4 @& R$ j) v. ]8 y# {4 Q, p! o$ T: O
fusion welding. The following welding methods may be used to produce fusion welds to 8 t: z1 U% G4 d7 R2 Q& E
this specification:
* X8 a$ T/ H3 ?4 | · Manual metal arc · Plasma arc
* \# u ^) J# W- }! T" x · Submerged arc Gas · Tungsten arc (TIG)
; F& o& E3 V( o- W · Gas metal arc (MIG, MAG) · Oxy-Fuel gas ) w" I/ R$ f, ]' i" N. S7 t- o& F# \
· Arc Plug Welding
8 c1 G q2 I/ _/ M5 P: R1 ^! Z第2 个文件
: |7 X, |; g# f- N. z. \6 M. n0 s/ u+ P
NAME: WELDING SPECIFICATION, RESISTANCE WELDS, SPOT WELDING AND
4 U/ l9 k4 g: Q$ a# X" gPROJECTION WELDING 4 E# h3 a4 d. L& d. i, a/ N& d
RESISTANCE WELDS -SPOT WELDING 4 ^6 S, E# {* y- x+ e/ V. g9 W9 W
1. GENERAL ) k0 s8 k \! ?1 w6 b, O; D
HN 2278 is mainly derived from General Motors standards GM 4488-M and “GM : J( [. ]. S. @0 Q7 n; g+ O
Common Welding Principles WS-1, Section A: Resistance Spot Welding”.
. S2 K8 u; h) U1 B9 M& D. V0 G This standard defines the physical and structural characteristics of resistance spot welds ! w' F2 Z1 f6 i2 r
that will enable manufacturing to produce vehicle structures that will uniformly and
- v5 C, {3 O+ y6 g: T consistently achieve the minimum quality requirements for welds in all areas of the " H6 N' ?: N, p+ C
vehicle. 9 h# R+ E8 K: M$ l5 W! |/ ^. j
It is the intent of this specification to provide the technical details necessary to achieve a 7 p5 v1 P) F7 v; {+ U
uniformly high level of weld quality throughout the vehicle structure and in this way ensure % ~! d; t4 ^+ W4 E
that the majority of welds exceed the strength and quality levels warranted by normal 8 _$ v- e% X& M/ ~2 Y" l
service loading. However, in order to deal with the wide variations in severity of service
% ?" `0 e$ K2 |9 y loading of different components and assemblies, and compliance with Australian Design ' x! P, [( M. F% S% Q3 `
Rule and other regional legislative (eg. FMVSS) requirements, the structural
9 u. O" k5 |+ Y" s/ T' }. t" R7 F classifications outlined in Section 3 apply. |
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