Sheet metal fabrication is the process of manipulating metal sheets to create greater products and structures. The process encompasses a range of techniques, all resulting in different finishes and outcomes. Sheet metal fabrication offers numerous advantages, including durability, versatility and cost-effectiveness. Have you ever wondered how metal sheets are transformed into complex shapes, components and structures? In this blog post, we'll take a look at the different types of sheet metal fabrication techniques and how they are utilised in various industries.
Cutting and Bending:
Cutting and bending is the most common form of sheet metal fabrication. This process involves the use of specialised machinery, including cutting machines and press brakes, to cut the metal into the desired shapes and bend it to the desired specifications. Cutting machines come in various forms, including shears, lasers and waterjets. The choice of machine depends on the metal's thickness, the cut's complexity and the intended product. Press brakes are used to bend the metal sheet to a particular angle or shape.
Stamping:
Stamping is the process of moulding metal into particular shapes. A die, or mould, is used to force the metal sheet onto the desired shape. The metal can be stamped to produce a single piece or a repeatable pattern, as in the case of perforated metal sheets. Stamping is a cost-effective way to produce high volumes of parts that are of consistent quality and dimensions.
Spinning:
Spinning involves the use of a lathe and a roller to shape metal sheets into cylindrical forms. The metal is clamped to the lathe, and the roller is used to mould the sheet into the desired shape. Spinning is often used to create parts such as containers, cones and funnel-shaped objects with a seamless finish. The process can be automated, making it ideal for high-volume production.
Welding:
Welding involves the joining of two pieces of metal through heat or pressure. The process can be done manually or through automated systems. Welding is ideal for creating complex shapes and structures that cannot be achieved through bending or stamping. Welding can also be used to join dissimilar metals, giving designers greater flexibility in their choices of materials.
Powder coating:
Powder coating involves putting dry powder onto the surface of the metal sheet. The powder is then heated to create a tough, protective layer. Powder coating is highly durable and resistant to scratches, dings and rust. The process can be used to apply custom colours and finishes to metal sheets, making it ideal for industries that require aesthetic appeal, including architecture and interior design.
Sheet metal fabrication is a versatile process that offers a range of options for manufacturers and designers. The different types of sheet metal fabrication techniques can be combined to create complex and unique structures, components and products.
Contact local metal fabricators to learn more.