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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001362
EISBN: 978-1-62708-173-3
... Fig. 1 Schematic of plasma-MIG welding equipment. Source: Ref 1 Abstract Abstract Plasma-metal inert gas (MIG) welding can be defined as a combination of plasma arc welding (PAW) and gas-metal arc welding (GMAW) within a single torch, where a filler wire is fed through the plasma nozzle...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005582
EISBN: 978-1-62708-174-0
... the personnel and equipment requirements, as well as the joints used in the process. The power source, plasma control console, water cooler, welding torch, and gas supply system for the plasma and shielding gases are also reviewed. Current and Operating Modes Principles of Operation Advantages...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001357
EISBN: 978-1-62708-173-3
... of a basic PAW system, namely the power source, plasma control console, water cooler, welding torch, and gas supply system for the plasma and shielding gases. The article provides information on the applications of the PAW process and discusses the typical components and joints used. It concludes...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001356
EISBN: 978-1-62708-173-3
... 65 65 75 75 TorchWeld travel speed, mm/min 405 (16) 405 (16) 405 (16) 380 (15) 380 (15)  Welding cycle time, s 8.0 4.5 6.5 6.0 10.0 Shielding gas  Flow rate, L/min (ft 3 h) 8.5 (18) 8.5 (18) 8.5 (18) 7.1 (15) 7.1 (15) Filler metal  Diameter, mm...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001372
EISBN: 978-1-62708-173-3
... mixer. (1) Welding torch head. (2) Oxygen tube from torch head. (3) Acetylene (fuel gas) passages from torch head. (4) Nozzle nut. (5) Welding nozzle cone end. (6) Spiral in welding nozzle. (7) Mixer orifice and mixing chamber Fig. 3 Schematic showing cross-sectional views of gas passages...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005598
EISBN: 978-1-62708-174-0
... Source: Ref 3 Fig. 1 Schematic of plasma gas metal arc welding equipment. Source: Ref 1 Fig. 2 Schematic of modern plasma gas metal arc welding torch with annular plasma arc welding electrode and additional (focusing) gas stream. Source: Ref 2 Abstract Abstract Plasma...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005590
EISBN: 978-1-62708-174-0
... welding (GTAW) with hot wire feed. ac, alternating current; dc, direct current Fig. 1 Gas tungsten arc welding schematic Fig. 2 Gas tungsten arc welding water-cooled torch Fig. 3 Gas tungsten arc manual welding. Courtesy of Lynn Welding Fig. 5 Robotic welding. Note...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
... progressively by heat from a gas flame, with or without filler metal, and are caused to flow together and solidify without the application of pressure to the parts being joined. The most important source of heat for OFW is the oxyacetylene welding (OAW) torch. The simplest and most frequently used OFW...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
... by heat from a gas flame, with or without filler metal, and are caused to flow together and solidify without the application of pressure to the parts being joined. The most important source of heat for OFW is the oxyacetylene welding (OAW) torch. The simplest and most frequently used OFW system...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001470
EISBN: 978-1-62708-173-3
... adjustments quickly to account for penetration variations. The outer loop would accept input from sensors, such as a laser scanner joint profiler, and make changes to the weld deposit size and shape inputs to the inner loop. The torch manipulation system must be capable of positioning the torch correctly...
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: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001338
EISBN: 978-1-62708-173-3
... 13) Q = f E I / V where f is the efficiency of the welding process, E is the arc voltage, I is the arc current, and V is the welding torch velocity. Thus, G can be increased by decreasing either the arc voltage or arc current, or by increasing the torch velocity. The influence...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001345
EISBN: 978-1-62708-173-3
... are generally kept at a minimum, consistent with good quality, where diffusion is not required. Manual torch brazing is the method most frequently used for repairs, one-of-a-kind brazing jobs, and short production runs, as an alternative to fusion welding. Any joint that can be accessed by a torch...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006515
EISBN: 978-1-62708-207-5
... is withdrawn from welded stud, and ferrule is removed. Fig. 19 Comparative geometry of welds made with argon and mixtures of argon and helium Fig. 14 Schematic showing exploded view of key components comprising a typical gas tungsten arc manual welding torch Fig. 17 Typical air...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003205
EISBN: 978-1-62708-199-3
... to melt the base metal. The fuel gas and oxygen are mixed in the proper proportions in a chamber that is generally a part of the welding torch assembly. The torch is designed to give the welder complete control of the welding flame to melt the base metal and the filler metal in the joint. Oxyfuel gas...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003205
EISBN: 978-1-62708-199-3
... arc welding Flux-cored arc welding Gas tungsten arc welding Plasma arc welding Electroslag welding Electrogas welding Resistance welding Flash welding Oxyfuel welding Diffusion welding Friction welding Electron beam welding Laser beam welding Torch brazing Furnace brazing Induction...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001435
EISBN: 978-1-62708-173-3
... 7 . The coverings developed for these copper-base electrodes perform satisfactorily on cast iron. Limitations of braze welding include: The equipment used for braze welding consists of a welding torch and associated components. Braze welding can be used to join castings to other castings...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005553
EISBN: 978-1-62708-174-0
... the research and development activities that attempt to extend the commercial, welding process controllers, namely, adaptive control, intelligent control, multivariable control, and distributed, hierarchical control. References References 1. Madigan R.B. , Ways to Keep Torches in Seams , Weld...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006725
EISBN: 978-1-62708-210-5
.... Torch welding is accomplished using oxyacetylene or oxyhydrogen on butt, lap, and filler welds in thicknesses from 1 to 25 mm (0.040 to 1 in.). Arc welding is suitable particularly for thick material; welds in 65-mm (2.5 in.) thick plate have been satisfactorily joined. Gas metal-arc welding (GMAW...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005600
EISBN: 978-1-62708-174-0
... Arc Welding Consumables Porosity Undercut and Concavity Root Humping Incomplete Fusion Incomplete Penetration Stabilization-Mode HLAW Penetration-Mode HLAW Laser-Focusing Optics Gas Metal Arc Welding Torch Training Electrical Hazards Eye Hazards Skin Hazards...