Types of Metalworking Processes

Main Metalworking Types
CNC turning operation during a metalworking process

Metalworking is a manufacturing process used to shape raw materials, especially metals, into finished components with defined dimensions, geometry and technical properties.

In industrial manufacturing, metalworking includes a wide range of processes such as turning, milling, drilling, grinding, forming, welding and advanced machining technologies.

These processes are essential for producing mechanical components used in machines, equipment, vehicles, hydraulic systems and heavy-duty industrial applications.

Main Types of Metalworking Processes

Metalworking processes can be divided into different families according to how the material is transformed.

Some processes remove material from the workpiece, others deform it, join it, cast it or create complex shapes using advanced technologies.

Material Removal Processes

Material removal processes are among the most common metalworking methods. In these operations, excess material is removed from the workpiece to obtain the required shape, size and surface finish.

Turning

Turning is a machining process in which the workpiece rotates while a cutting tool removes material from its surface.

It is mainly used to produce cylindrical or conical parts such as bushings, pins, shafts, spacers, washers and flanges.

Milling

Milling removes material using a rotating cutting tool. It is one of the most versatile metalworking processes.

Milling can produce flat surfaces, slots, profiles, pockets and complex geometries on mechanical components.

Drilling

Drilling is used to create holes in a workpiece using a rotating tool that advances along its axis.

It is often combined with reaming, tapping or countersinking to obtain more precise holes or prepare the part for assembly.

Grinding

Grinding is a finishing process performed with a rotating abrasive wheel.

It improves dimensional accuracy, surface quality, roundness and cylindricity, especially on components that require precise mechanical coupling.

Cutting

Cutting is used to divide or separate material into one or more parts.

It can be carried out using saws, shears, laser cutting, plasma cutting, oxy-fuel cutting or waterjet cutting. In many production cycles, cutting is the first operation before machining.

Main Metalworking Types
The main metalworking processes used to manufacture industrial components.

Metal Forming Processes

Metal forming processes change the shape of the material without removing it. The workpiece is deformed by pressure, compression, tension or impact, either hot or cold.

Rolling

Rolling passes the material between rollers to reduce thickness or modify its shape.

It is used to produce sheets, plates, strips, bars, profiles and other metal semi-finished products.

Forging

Forging shapes metal through compression, pressure or repeated impact.

It is used to obtain strong components with good mechanical properties and a compact internal structure.

Stamping

Stamping uses dies and presses to deform metal into defined and repeatable shapes.

It is widely used in industrial mass production where speed, repeatability and dimensional control are required.

Metal Manufacturing Processes

In addition to traditional machining and forming, some processes produce metal components from molten metal, powders or semi-finished materials.

Casting

Casting is a manufacturing process in which molten metal is poured into a mold and allowed to solidify.

After casting, the component may require additional machining to achieve precise tolerances, finished surfaces or functional geometries.

Powder Metallurgy

Powder metallurgy produces solid components by compacting and heating metal powders.

The particles are heated below their melting point, allowing them to bond together through sintering. This process is used for sintered bushings, brake pads and other technical components.

Joining Processes

Joining processes are used to connect two or more parts permanently or semi-permanently.

Welding

Welding is a permanent joining process that connects materials through heat, pressure or both.

It is widely used in metal fabrication, structural components, machinery manufacturing and industrial assemblies.

Non-Traditional Metalworking Processes

Non-traditional metalworking processes use physical, thermal, electrical or chemical principles to remove material or create complex geometries.

Electrical Discharge Machining

Electrical Discharge Machining, or EDM, removes material from a conductive workpiece using controlled electrical discharges.

It can be performed as wire EDM or sinker EDM and is often used for hardened steels, molds, dies and components with complex geometries.

Laser Machining

Laser machining uses a high-energy laser beam to cut, engrave, weld or drill metallic and non-metallic materials.

It is a precise and flexible technology used in industrial production, sheet metal work and shaped components.

Additive Manufacturing

Additive manufacturing, also known as 3D printing, creates three-dimensional objects by adding material layer by layer.

In industry, it is used for prototypes, tooling, spare parts and complex components that are difficult to produce with conventional technologies.

Materials Used in Metalworking

Metalworking can be applied to many materials, depending on the required mechanical properties, corrosion resistance, weight and operating conditions.

Common materials include carbon steel, alloy steel, stainless steel, cast iron, aluminium, bronze and brass.

In heavy-duty applications, steel remains one of the most widely used materials because of its strength, wear resistance and ability to be heat treated.

Industrial Applications of Metalworking

Metalworking is used across almost every industrial sector. It makes it possible to produce components for machines, plants, vehicles, equipment and complex mechanical systems.

  • construction equipment;
  • agricultural machinery;
  • mining equipment;
  • lifting and material handling;
  • railway applications;
  • marine equipment;
  • energy systems;
  • industrial machinery;
  • manufacturing plants.

Mechanical Components Produced Through Metalworking

Metalworking processes are used to manufacture many components for machines and industrial systems.

Common examples include bushings, pins, shafts, flanges, spacers, washers, supports, guides, housings, joints and custom machined parts.

These components often need to provide dimensional accuracy, wear resistance, mechanical strength and reliability under demanding operating conditions.

Mechanical Components Produced Through Metalworking

Metalworking processes are used to manufacture many components for machines and industrial systems.

Common examples include bushings, pins, shafts, flanges, spacers, washers, supports, guides, housings, joints and custom machined parts.

These components often need to provide dimensional accuracy, wear resistance, mechanical strength and reliability under demanding operating conditions.

Steel bushing manufactured using CNC metalworking processes

Steel Bushings for Metalworking Applications

In metalworking and mechanical manufacturing, steel bushings are used in joints, pins, hydraulic cylinders and areas subject to sliding, heavy loads and wear.

Sibo manufactures standard and custom steel bushings for demanding industrial applications, using CNC machining, heat treatments, grinding and dedicated surface finishes.

Contact us for quotations, custom projects or more information about our steel bushings. You can also request our technical catalogue using the form below.

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