The bottomline is, welding is really a metal fabrication process by which two bits of metal is connected in a huge structure. The positioning to get joined is heated to melting using torch or electrical arc and further metal material available as welding rod or welding wire is employed to fill the visible difference. The welded connections are as stronger since the base material or higher.
There are three basic types of welding. These are the Gas welding, Arc welding and Spot welding. In the gas welding, a gas torch can be used to heat and melt the bottom metal. Often a combination of oxygen and acetylene is the gas combination used for gas welding. They are generally useful for welding pipes. The gas welding can be used for brazing, cutting and heating metal for bending since the temperature with the torch flame could be varied.
The Arc welding uses electricity to melt the beds base metal. There are various types of arc welding available for handling different metals, equipment and types of conditions. Every type will be suitable for welding a particular metal. For joining thin sheets of metals, the spot welding is utilized where electricity is used to produce a weld with a single location. Such a welding is basically employed for robotic processes. The robots are designed for performing large number of spot welds in automobile assemblies. There's also more modern innovations in welding like beam welding which can be employed for specific applications.
In nearly every industry from automobiles to electronics, the welding has used. Welding can be even performed underwater or even in the vacuum space if your welder is given the correct equipment. However the welding is mostly performed on steel parts, the aluminum parts can also be welded together. Some aluminum alloys are particularly easy to weld.
As the welding involves high numbers of household current, gases and temperature, you will need to take certain health concerns while performing welding. The welders are advised to take extreme caution for protecting themselves. Some safety equipments like welding masks, gloves, aprons and coveralls.
The welding masks are shields that go over the top and neck and also have darkened glass to safeguard eyes from high intensity of lights from the welding spark. The masks would be hinged so that the welders can readily take away the mask to guage his work without fully taking out the mask. During welding, sparks are thrown off and also this would heat and burn the welder's hands. So for safeguarding welder's hands, the gloves must be used. It will always be suggested how the welders should wear leather aprons and coveralls to protect themselves in the heat and gases. Sometimes the welders have emerged to get operating behind tinted shields. That is in order to avoid passersby from seeing the welding sparks directly.
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