Used Fabrication Equipment

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Metal fabrication equipment is used to build everything from buildings to parts of machines. It works by cutting or forming sheet metal or heavy metal plate and then assembling it. Many metal fabrication businesses focus solely on the preparation of the metal and its welding and assembly while a machine shop, which also uses fabrication equipment, focuses more on cutting, drilling and milling parts. Most fabrication equipment is used with sheet metal, heavy metal plate, expanded metal, welding wire and sectional metals (like I beams, L and T beams), although some other raw materials may be used.

Because there is such a wide variety of fabrication processes, there is an equally wide variety of equipment required for a metal fabrication shop. Determining the specific processes required to make the products you want to make will determine the type of fabricating machinery you will require for your application.

Shearing is often the first step in fabricating. Shears cut large sheets or plates of metal into smaller ones of the desired size. The size requirements you need to consider before purchasing a shear is the thickness of the metal to be cut and the size of the plates or sheets you will be starting with.

Cutting and Burning: One popular fabrication process is that of cutting or burning. Instead of shearing, metal plate or sheets can be cut with a plasma cutter or a torch. This can be done with a hand-held cutter or on a machine driven by a computer. Other kinds of cutting type fabrication equipment include water jet cutters and lasers - both are typically computer controlled. These will allow exceptional big and thick metal, even stainless steel, to be cut with great accuracy and little effort.

Finish Work: Completed and assembled work pieces are not finished until the finish work is completed. This part of the fabrication process may involve sanding, priming and paint. Sand blasters and advanced paint sprayers are all usually required equipment for finishing fabricated parts.

Forming: Forming, in which metal is bent or otherwise deformed until it attains a predetermined shape is another important fabrication process. Equipment that is available to facilitate this includes hydraulic press brakes, tube bending machines and bending rolls. Each of these different fabrication machines will produce a different effect. For example, the press brake will produce a straight angular bend and a bending roll will bend flat metal sheets into cylinders.

Welding: Arguably the biggest fabrication process, welding is the process by which the preformed pieces are welded together. This process is typically completed by the use of MIG and TIG electric arc welders. MIG for steel and TIG for aluminum.

Some fabrication shops add value by doing additional processes, such as machine design, machining, adding hydraulics, powder coating and other non-typical fabrication processes. Again, these specialties may require additional specialized equipment.

As technology has changed, so has the fabrication industry. More and more of the machines used are being computerized. Some of the fabrication equipment, especially welders, even use robotics to ensure accuracy and precision. Buying used equipment does not mean you need to forgo these advancements. You can purchase used equipment with these advanced features or upgrade older used equipment, through a qualified vendor, to the latest technology.

Article Source: http://depositarticles.com/

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