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الخميس، 2 مارس 2017

Metal Fabrication And The Construction Processes

By Gregory Johnson


There are many different processes that are involved in a construction of structures and some of these are assembling, cutting, and bending the metals. And one very common process used is metal fabrication. Fabricating the metals would involve processes that make use of different raw materials for constructing a machine or a structure.

The processes are carried out more often in the fab shops. People who are going to do the projects or other tasks are called the fabricators. Fab shops will be bidding for projects and if they are already awarded, the project will then be started. However, it is very important to make sure you have chosen and hired the right Richmond metal fabrication company for the service.

Just like the other types of projects, before starting to produce an object, providing a drawing or a layout of the object is very important. Through this, doing the next steps can be much easier. The drawings or layouts must be studied carefully by workers in order to ensure that the steps are understood well. They must calculate the sizes carefully for the actual item prior to the fabrication procedures. Lastly, the installation process.

Three common businesses would usually employ these fab shops such as the OEMs, VARs, and contractors. These type of businesses are often engaged into the production of various staircases, loose parts, structural frames in buildings and in heavy tools, and hand railings in buildings. The shops would often undertake different projects, regardless on what size it is. However, some shops are specializing only certain projects.

The most common processes that involved here are assembling, bending, and cutting. Cutting some sub processes such as sawing, chiseling, and shearing methods. These methods may either be done mechanically or manually. Cutting the objects may be used with control cutters or with torches. Torches also have two classifications, the plasma and the oxy fuel.

Hammering method is being done in the bending process. Just like cutting, this may also be done either mechanically or manually. With the use of press brakes in bending, metal sheets are being formed through the use of air bending and coining methods. And in order to position the cut parts, CNC controlled backgauges are being employed, along with the using the hard stops for placing the bed lines in a perfect position.

For the assembling process, the final steps of a project will be involved and to accomplish it, using adhesives, welding, threaded fasteners, and riveting methods are used. Sheet metals and structural steels are common materials for the start of projects. Other important tools include fasteners, flux, and welding wire. Production procedures are either used with human labor or with automation.

Undesirable materials that being seen on metal surfaces will be removed with the use of refinement method or the machining. This would be very necessary in order to attain the desired shape. However, this method may only be specialized to limited extent. Fab shops would often incorporate their services of mills, metal lathes, and magnet based drills with machining.

There are many specializations of areas in this profession. But these will depend upon the needs of customers and the level of expertise in a specialty. These areas may include powder metallurgy, welding, casting, powder coating, and chipping.




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