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All about Metal Fabrication
Working with metals have been done since the ancient times and this discover has held an important place in human society. The emergence of rudimentary metalworking came out during the earliest civilization with the discovery of the seven primary metals. These primary metals include gold, silver, mercury, copper, lead, tin, and iron. Decorative pieces such as jewelry and religious relics made use of these metals, and they were also used for more functional uses like tools, currency, and weapons. Crafting objects that are very useful for us today began a lot time ago when men using heat and their tools did metalworking. As the years drew on, metal working become much more advanced and became more valuable to society.
Today metals and metal alloys, which is a combination of two or more metals, are fabricated for use in virtually every commercial industry. Advancements of technology, transportation, agriculture, and construction rely in a great part to metal fabrication. The basic definition of metal fabrication is the activity of constructing machines and equipment from raw materials. Fabrication businesses or fab shops typically perform metal preparation, welding, and assembly. The terms machine shop refers to a business that specializes more specifically in cutting, shaping, and assembly of machine parts. Today you can find businesses falling under both categories offering fabrication and machining services.
Examples of works done by fab shops and machine shops include the construction of structural frames, miscellaneous metals for building finishes such as stair railings, and ornamental pieces such as iron driveway gates. Metal fabrication generally go through a bidding process for large construction projects, and they are awarded the job by contractors. The six primary steps for metal fabrication projects are as follows: engineering, cutting and burning, forming, machining, welding, and assembly.
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Metal fabrication will either outsource of have in-house manufacturing engineers and steel detailers, for the arrangement of shop drawings and the programming of equipment. When raw materials are sized in a fab shop they have the numerical control (NC) and computer numerical control (CNC) machine tools. Various methods and equipment such as hydraulic brake presses are used when the metal is cut to size and is formed to the desired shape. In order to produce the specific parts of the project the metal is subjected to turning, drilling, and milling which is in strict attention to the engineering drawings; this is the process of machining. During this step they also use NC and CNC machine tools. As specified in the instructions, the pieces are welded together after they are machined. The welding process is a highly specialized skill particularly with sensitive material. Metal fabrication ends with assembly and this includes finishing details such as painting and inspection.Interesting Research on Welding – What No One Ever Told You