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resistance seam weld machines

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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
.... It describes the four basic types of resistance seam weld machines: circular, longitudinal, universal, and portable. The article concludes with a discussion on weld quality and process control for seam welding. butt seam welds lap seam welds laser welding leak-tight seam welding mash seam welds...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005608
EISBN: 978-1-62708-174-0
... required to make finished automotive subassemblies. Because of their narrow plastic range, nonferrous metals generally cannot be mash seam welded. In general, seam welding is done in a press-type resistance welding machine. Most seam welding machines are powered by alternating current, either three...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005640
EISBN: 978-1-62708-174-0
... Diagrams of seam and mash seam welding Abstract Abstract This article describes the significance of the three variables that affect the resistance spot welding process: welding current, electrode force, and welding time. It presents the effects of weld spacing and surface preparation on weld...
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
... Fig. 3 Typical spot weld nugget in a heat treated alclad aluminum alloy. Made with a three-phase direct-energy resistance welding machine, using forging pressure and postheating Fig. 5 Seam welding with single wheel and lower electrode Fig. 13 Effect of frequency on depth...
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
...Common sizes of electrode wheels used for resistance seam welding applications Table 2 Common sizes of electrode wheels used for resistance seam welding applications Machine size Wheel diameter Wheel width (a) mm in. mm in. Small 18 7 9.5 3 8 Medium 20 8...
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
... alloys cross-wire welding flash welding high-frequency resistance welding projection welding resistance seam welding resistance spot welding resistance welding seam welding machines stainless steels upset welding welding electrodes RESISTANCE WELDING (RW) encompasses a group of processes...
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 (RSW) is a process in which faying surfaces...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003425
EISBN: 978-1-62708-195-5
... Osprey door Fig. 12 Co-consolidated cockpit floor Fig. 13 Schematic for ultrasonic welder and multiunit weld machine. Source: Ref 30 , 31 Fig. 14 Schematic for resistance weld of rib to spar Fig. 15 Resistance welding wing substructure using copper foil...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005631
EISBN: 978-1-62708-174-0
... welding (CAW) X X X X X X X Resistance Resistance spot welding (RSW) X (a) … X X … … X Resistance seam welding (RSEW) X (a) … X X … … X Projection welding (PW) … … X X … … X Flash welding (FW) … … X X … … X Upset welding (UW) … … X X … … X...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005129
EISBN: 978-1-62708-186-3
... Guidelines Drawing Dies Forming Dies Trim Dies Flanging Dies Hemming Dies and Hemming Machines Laser Welding with Fixed Optics Laser Welding with Moving Optics Resistance mash-seam welding is a roller seam resistance-welding process that requires a small overlap (approximately 3 mm...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001472
EISBN: 978-1-62708-173-3
... with manual contact of the transducer to the outside surface of the tube. The transducer contacts the tube so that the sound propagates along the longitudinal axis of the tube through the weldment. Resistance welding encompasses spot, seam, and projection welding, each of which involves the joining...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.9781627081740
EISBN: 978-1-62708-174-0
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
... distance is normally equal to between 0.5 to 2 times the thickness of the thinner sheet. Typically, flat bar-shaped electrodes cover the length of the overlapped joint. This is similar to mash seam welding which involves electrode wheels with flat or radiused profiles (see the article “Resistance Seam...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005126
EISBN: 978-1-62708-186-3
... the seam welding operations of pipe and tubing. The article discusses cross-sectional tolerances, the reshaping of round tubing, and factors that affect the quality, accuracy, and surface finish. Inboard-Type Machines Outboard-Type Machines Material Shape Complexity Horizontal Center...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005607
EISBN: 978-1-62708-174-0
... = 0.1) joined by resistance welding (RSW), self-piercing rivets (SPR), gas metal arc welding (GMAW), adhesive, ultrasonic welding (USW), and combined USW and adhesive Fig. 16 Nondestructive testing using magnitude of ultrasound interface echo to measure weld contact area as an indication...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005846
EISBN: 978-1-62708-167-2
... the tube ID. Source: Ref 16 Fig. 23 Cluster impeder (multiple impeders assembled together) for large diameter pipe welding. Courtesy of Electronic Heating Equipment, Inc. Fig. 21 Schematic of a continuous high-frequency induction longitudinal seam tube-welding system. Source: Ref 13...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005583
EISBN: 978-1-62708-174-0
... resistance welding is an automated process and is not adaptable to manual welding. High-frequency resistance welding was developed during the late 1940s and early 1950s to fill the need for high-integrity butt joints and seam welds in pipe and tubing. The progressive development of this technology...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001441
EISBN: 978-1-62708-173-3
... (GMAW), plasma arc welding (PAW), electron-beam welding (EBW), laser-beam welding (LBW), friction welding (FRW), resistance welding (RW), resistance spot welding (RSW), and resistance seam welding (RSEW). The article reviews the selection of shielding gases and filler metals for welding zirconium alloys...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005800
EISBN: 978-1-62708-165-8
... the parameters associated with resistance spot welding, laser welding, and metal active gas welding. It also provides useful information of retained austenite volume fraction measured by x-ray diffraction and electron backscatter diffraction. The article also examines microstructure evolution during tensile...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005135
EISBN: 978-1-62708-186-3
... a mandrel that fits closer. If the bends are in one plane, the body and the ball of the mandrel can be grooved to clear weld flash or seams. More commonly, a mandrel is made undersize to clear the obstruction. When the workpiece must be bent in several planes, it can be reinserted with the seam...