Welding is the process of joining metals together; there are many forms in doing welding. There are many things that have been created that have a welding process somewhere in the making for example these are a couple of things that have had welding done to be made, cars, planes, trailers, and many more things that are smaller like: metal chairs and metal tables. It was a long time before ancients had discovered a method that was made for joining metals. Workers in the ages of iron and Bronze Age began to solve the problems of forming, casting, and alloying metals (Larry Jeffus).
The welding method was basically just a localized fusion that is growing on together to gain structure of the mechanical being welded. Welding was defined as a joining process that produces fusion of metal by heating it to the welding temperature, with or without the use of the filler metal (Larry Jeffus). Welding on metal surface was a problem that long puzzled metal-workers of the period early metal joining methods included processes such as riveting, bolting, and screwing, even an early type of welding in which sand formed a mold on top of the piece of metal and the desired shape was cast directly on the metal. So both pieces are fused, formed a single piece of metal (Larry Jeffus). In the industrial revolution, from 1750 to 1850 there was a method that was introduced of joining pieces of iron together and it was known as a forge welding or hammer welding. Welding is what moves the world in many ways because of the fact that the transportation and technology we have today had welding done somewhere in the process of making.
With all that said safety is a big factor that a welder has to take into place. With any trade there is cert...
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...here are other ways of cutting metal. Cold metal may be cut with a cutoff saw; hacksaw, a bolt utter and even a cold chisel will cut. Most metal is cut with power tools. Shielded metal-arc welding is also known as stick welding or just arc welding. It is a process where coalescence is achieved by generating an electric arc between a coated metallic electrode and the work piece (Giachino, Weeks, Johnson) When welding in shielded way the equipment that you will need is a shielded metal-arc welding system that consists of a power supply, an electrode and its holder, a ground clamp, and a protective shield (Giachino, Weeks, Johnson). Selecting the right electrode for the job is important. The type of electrode for shielded metal-arc welding is categorized by the quality of weld required; weld position, joint design and the speed of welding (Giachino, Weeks, and Johnson).
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