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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：% f* A/ q+ z1 ?& D$ @+ D, V; N$ k
第一个文件 ：
& e& x& `7 \5 B0 t8 d$ ]) A( Y5 ^NAME: WELDING SPECIFICATION, FUSION WELDING
. N0 z% p4 c- q3 b" E: C1. GENERAL 4 r; i: } s( ^. r6 A$ r, S
The purpose of this specification is to define the physical and structural characteristics for
! w, J% ], V% t5 L' w fusion welding. The following welding methods may be used to produce fusion welds to
- l7 s0 u7 A" Z1 I this specification: - {! I) X$ [0 I3 v8 m+ v" z5 z
· Manual metal arc · Plasma arc
; ^% H3 F0 T( z · Submerged arc Gas · Tungsten arc (TIG) T# I: `( n8 Y( D; K
· Gas metal arc (MIG, MAG) · Oxy-Fuel gas
/ Q( @3 A0 f# T# G+ n · Arc Plug Welding
' n( q" \) r: j% B9 W第2 个文件. J0 _3 V5 Y. _+ K. m- o- [
7 _0 I2 N+ g. T5 w; u* H- b
NAME: WELDING SPECIFICATION, RESISTANCE WELDS, SPOT WELDING AND " c* X! x/ M- U5 Q% I K, E; w
PROJECTION WELDING 3 F* Z. z7 c7 k: r( ^" @2 ^5 N, C
RESISTANCE WELDS -SPOT WELDING
5 h) O& E7 r% i1. GENERAL 3 ~( k2 v2 ]' N5 Z) W# P+ l
HN 2278 is mainly derived from General Motors standards GM 4488-M and “GM ! {( G! e2 x' C: W
Common Welding Principles WS-1, Section A: Resistance Spot Welding”. 1 |6 j7 a! i i& h1 ?, E
This standard defines the physical and structural characteristics of resistance spot welds
! Y0 F) L% \* z" ~: s8 c9 e, X% t that will enable manufacturing to produce vehicle structures that will uniformly and , m- y9 f) B# r. O5 ]# L: W
consistently achieve the minimum quality requirements for welds in all areas of the 0 ?5 P7 j! h' \8 ^3 `% k3 \
vehicle. + B/ i _% j3 r' j% a0 l2 W
It is the intent of this specification to provide the technical details necessary to achieve a 6 ?) i9 M4 w0 H# ^& i% s6 w: w
uniformly high level of weld quality throughout the vehicle structure and in this way ensure
9 [. |/ N3 f2 w/ x: n+ | that the majority of welds exceed the strength and quality levels warranted by normal
$ e# R7 s: c, G$ ~0 Q service loading. However, in order to deal with the wide variations in severity of service " h6 \5 L* F% _* Z
loading of different components and assemblies, and compliance with Australian Design
3 K' _4 K! L5 |6 v& C. h Rule and other regional legislative (eg. FMVSS) requirements, the structural 0 _) e+ F/ p! I
classifications outlined in Section 3 apply. |
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