Welding
Welding Welding is a fabrication process that joins materials ... between them, without melting the workpieces. Arc welding Many different energy sources can be used for welding, including a gas flame, an electric arc ... and ultrasound. While often an industrial process, welding can be done in many different ...
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Arc welding
Arc welding Gas metal arc welding Arc welding refers to a group of welding processes that use a welding power supply to create an electric ...
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Electrogas welding
Electrogas welding Electrogas welding (EGW) is a continuous vertical position arc welding process developed in 1961, in which an ... difference between EGW and its cousin electroslag welding is that the arc in EGW is ... not extinguished, instead remaining struck throughout the welding process. It is used to make ...
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Robot welding
Robot welding Robot welding is the use of mechanized programmable tools (robots), which completely automate a welding process by both performing the weld and ... the part. Processes like gas metal arc welding, while often automated, are not necessarily equivalent to robot welding, since a human operator sometimes prepares ...
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Underwater welding
Underwater welding Underwater welding Underwater welding refers to a number of distinct welding processes that are performed underwater. The two main categories of underwater welding techniques are wet underwater welding and ...
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Resistance welding
Resistance welding Resistance welding refers to a group of welding processes that produce coalescence of the faying ... the workpieces to the flow of the welding current in a circuit of which the ... passed through the metal. In general, resistance welding methods are efficient and cause little ...
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Ultrasonic welding
Ultrasonic welding Generalities In ultrasonic welding, energy is delivered to the joint area ... of high-power ultrasound. This type of welding is used to build assemblies that are ... small, complex, or delicate for more common welding techniques. It is mostly used to weld ... ferrous metal parts of small sizes. Ultrasonic welding of plastics causes local melting of ...
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Forge welding
Forge welding Forge welding is a welding process of heating two or more pieces ... Until the invention of electical and gas welding methods during the Industrial Revolution, it was ... a flux is used to keep the welding surfaces from oxidizing and producing a ...
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Spot welding
Spot welding A miller spot welder Spot welding is a type of resistance welding used to weld various sheet metals. Typically ... two shaped copper alloy electrodes to concentrate welding current and force between the materials to ... right through the materials being welded. Spot welding is typically used when welding steel ...
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Carbon arc welding
Carbon arc welding Carbon Arc Welding (CAW) is a process which produces coalescence ... work-piece. It was the first arc-welding process ever developed but is not used ... having been replaced by twin carbon arc welding and other variations. Development Main article: Arc welding#Development CAW could not have been ...
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