A definition of welding

Welding comes under joining process.

A definition of welding

Solidified Slag Gas metal arc welding GMAWalso known as metal inert gas or MIG welding, is a semi-automatic or automatic process that uses a continuous wire feed as an electrode and an inert or semi-inert gas mixture to protect the weld from contamination.

It is often used when quality welds are extremely important, such as in bicycleaircraft and naval applications. The arc is more concentrated A definition of welding the GTAW arc, making transverse control more critical and thus generally restricting the technique to a mechanized process.

Because of its stable current, the method can be used on a wider range of material thicknesses than can the GTAW process and it is much faster.

It can be applied to all of the same materials as GTAW except magnesium, and automated welding of stainless steel is one important application of the process. A variation of the process is plasma cuttingan efficient steel cutting process.

A definition of welding

This increases arc quality, since contaminants in the atmosphere are blocked by the flux. The slag that forms on the weld generally comes off by itself, and combined with the use of a continuous wire feed, the weld deposition rate is high.

Working conditions are much improved over other arc welding processes, since the flux hides the arc and almost no smoke is produced. The process is commonly used in industry, especially for large products and in the manufacture of welded pressure vessels.

A definition of welding

Oxy-fuel welding and cutting The most common gas welding process is oxyfuel welding, [17] also known as oxyacetylene welding. It is one of the oldest and most versatile welding processes, but in recent years it has become less popular in industrial applications.

It is still widely used for welding pipes and tubes, as well as repair work.

Welding | Define Welding at leslutinsduphoenix.com

A similar process, generally called oxyfuel cutting, is used to cut metals. Resistance welding Resistance welding involves the generation of heat by passing current through the resistance caused by the contact between two or more metal surfaces.

Small pools of molten metal are formed at the weld area as high current —, A is passed through the metal.

The advantages of the method include efficient energy uselimited workpiece deformation, high production rates, easy automation, and no required filler materials. Weld strength is significantly lower than with other welding methods, making the process suitable for only certain applications.

It is used extensively in the automotive industry—ordinary cars can have several thousand spot welds made by industrial robots. A specialized process, called shot weldingcan be used to spot weld stainless steel.

However, instead of pointed electrodes, wheel-shaped electrodes roll along and often feed the workpiece, making it possible to make long continuous welds.

In the past, this process was used in the manufacture of beverage cans, but now its uses are more limited.Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by using high heat to melt the parts together and allowing them to cool causing fusion.

Welding is distinct from lower temperature metal-joining techniques such as . Welding Terms Glossary Abrasive – Slag used for cleaning or surface roughening. Active Flux – Submerged-arc welding flux from which the amount of elements deposited in the weld metal is dependent upon welding conditions, primarily arc voltage.

Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.

In today's educational and economic environment, where the skills gap is increasing and welding education budgets are decreasing, the gap between the need for welders and the willingness to fund welding programs is getting larger.

In today's educational and economic environment, where the skills gap is increasing and welding education budgets are decreasing, the gap between the need for welders and the willingness to fund welding programs is getting larger.

Definition Of Welding: Welding Is. Welding is one of the methods to join two pieces (sometimes more) of metal together. Basically, there are 3 methods of joining metal, by mechanical fastening, adhesive bonding, and welding/5.

Welding - Wikipedia