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Metal Fabrication

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What is Metal Fabrication?

Metal fabrication is the production of customized metal structures via cutting, bending, and assembly operations. It is a value-added process involving the creation of an end product from various raw metals. Common metals used in fabrication include Carbon Steel, Stainless Steel, Aluminum, Copper, Brass, and Bronze.

Cutting is done via numerical control (CNC) cutters, such as a laser or waterjet — and by sawing, shearing, chiselling, or torching. Bending is done via press brake tools or by hammering. Assembly, or joining of metal parts, is done by welding, riveting, threaded fasteners, crimped seams, or binding with adhesives.

How Does Metal Fabrication Work?

Metal fabrication typically occurs in four steps:

1. Cutting

The raw sheet metal can be cut using a combination of laser cutting, turret press punching, mechanical shearing, and waterjet cutting. The cutting method often depends on a project's accuracy, material, and cost requirements.

2. Forming

Forming consists of one or more of the following techniques: folding, bending, stamping, punching holes, or machining. A piece of sheet metal that has been cut can be formed, stamped, or bent into the final shape. If the product requires holes, a drill or a hole punch is often used.

3. Assembly

After the metal parts are formed into shape, they may need to be assembled into a desired configuration for the final product. Separate parts can be joined together by methods such as fastening, riveting, welding, or bonding.

4. Finishing

For the final step, protective coatings such as paint, powder coat, or plating can be applied. The final product may also require cosmetic operations like brushing, polishing, or shining.

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Advantages of Metal Fabrication

Metal fabrication offers many advantages, such as:

  • Part strength

  • Durability

  • Easily Transportable

  • Malleability

  • Repairability

  • Material options and robust supply chain

  • Low tooling costs

  • Fast time to market

  • Versatility of quantity and requirements

  • Variety of fabrication and finishing processes