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resistance projection welding

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Published: 30 September 2015
Fig. 2 Resistance projection welding application joining an intermediate-density powder metallurgy spur gear to a low-carbon wrought steel stamping More
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Published: 31 October 2011
Fig. 10 Interfacial structure on resistance-projection-welded mild steel More
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Published: 01 June 2012
Fig. 6 Resistance welding processes. (a) Projection welding for sheet welding. (b) Resistance butt welding. (c) Resistance seam welding More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005593
EISBN: 978-1-62708-174-0
... Abstract This article provides a fundamentals-based description of solid-state resistance projection welding. It details simple analytical tools to understand the variety of mechanisms that occur during resistance projection welding. Factors relating to the quality of solid projection...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003207
EISBN: 978-1-62708-199-3
... projection welding, and flash welding. flash welding process variables resistance projection welding resistance seam welding resistance spot welding welding equipment welding machine welding parameters Resistance Spot Welding RESISTANCE SPOT WELDING (RSW) is a process in which faying...
Image
Published: 31 October 2011
Fig. 1 Typical example of equipment and schematic for resistance projection welding. Tooling is platen mounted and consists of water-cooled copper blocks, welding die inserts, and locators. Courtesy of Taylor-Winfield Technologies, Inc. More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005626
EISBN: 978-1-62708-174-0
... Abstract Projection welding is a variation of resistance welding in which current flow is concentrated at the point of contact with a local geometric extension of one (or both) of the parts being welded. This article focuses on the process fundamentals, advantages, and limitations of projection...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001364
EISBN: 978-1-62708-173-3
... Abstract Projection welding (PW) is a variation of resistance welding in which current flow is concentrated at the point of contact with a local geometric extension of one (or both) of the parts being welded. This article discusses the applications of PW generally categorized as either embossed...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006108
EISBN: 978-1-62708-175-7
... of fused metal, such as resistance projection welding, high-speed pulse welding, and friction welding, enjoy the highest success rates. Parts exhibiting higher densities (>7.0 g/cm 3 ) typically have the same weldability as wrought materials and can be joined using fusion processes that include gas...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001443
EISBN: 978-1-62708-173-3
... welding (RSEW), and projection welding (PW). This article addresses the considerations for using these processes to join specific types of materials. It discusses the process variations, applicability, advantages, and limitations of these resistance welding processes. The article provides information...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006119
EISBN: 978-1-62708-175-7
... to a wrought stainless steel exhaust pipe. Fig. 4 Transition zone between the filler metal and a PM 304L sensor boss (7.0 g/cm 3 density) welded to a wrought stainless steel exhaust pipe. Etched Resistance projection welding, such as HEIW, uses powerful capacitors to store energy so...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.9781627081757
EISBN: 978-1-62708-175-7
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001365
EISBN: 978-1-62708-173-3
..., reinforced roll spot welding, and leak-tight seam welding. It provides information on the applications of lap seam weld, mash seam weld, and butt seam weld. The article reviews the advantages and limitations of seam welding compared to resistance spot welding, projection welding, and laser welding...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005625
EISBN: 978-1-62708-174-0
... resistance-welded joints. The various resistance-welded joints include spot welds, projection welds, seam welds, and butt welds. The article explains the relative contributions of the Joule, Peltier, and Thomson effects for typical RW scenarios. It concludes with information on the electrode “follow...
Image
Published: 31 October 2011
Fig. 13 Schematic illustration comparing the (a) resistance seam welding and (b) projection welding processes. Source: Ref 2 More
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005680
EISBN: 978-1-62708-198-6
... electrode force can result in excessive indentation in work in the workpiece. Resistance Welding Processes Figure 6 shows the different types of resistance welding processes, including projection, butt, and seam welding. In projection welding, the current is concentrated at specific points...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006514
EISBN: 978-1-62708-207-5
... typical applications are listed in Table 1 . Resistance spot and seam welding are commonly used to weld two overlapping sheets, and resistance spot and seam welding of aluminum alloys are used in a variety of applications. Projection welding is another method of resistance welding. However, aluminum...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005646
EISBN: 978-1-62708-174-0
...- added during welding. ing leads in which the workpiece is the posi- des in making spot, seam, or projection deposition ef ciency (arc welding) The ratio tive pole and the electrode is the negative welds by resistance welding. of the weight of deposited metal to the net pole of the welding arc. electrode...
Image
Published: 31 October 2011
Fig. 6 Schematic representation of the power circuit for a capacitive discharge projection welding system. V c , charge voltage; C, capacitance; N, windings ratio in the transformer; L s , inductance in the secondary; R s , resistance in the secondary More
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Published: 31 October 2011
Fig. 7 Current waveform for a capacitive discharge projection welding system. Plot is generated using Eq 6 to 8 , with a capacitance of 2400 μFd, a charge voltage of 2000 V, a transformer windings ratio of 100:1, a secondary inductance of 0.27 μH, and a secondary resistance of 175 μΩ. More