What is Metal Pressing & Metal Stamping?

Metal pressing and metal stamping is the process of shaping sheet metal using a press machine or press brake. Both terms refer to this same process, and are often used interchangeably across industries. Metal pressing is integral to producing a wide range of components found in everyday items and industrial applications.

The process begins with flat sheets of metal, which are then subjected to high pressure through various dies and tools to achieve specific shapes and dimensions.

One of the key advantages of metal pressing is its efficiency in mass production. By utilising automated press machines, manufacturers can produce large quantities of uniform parts with high precision. This is particularly beneficial for industries such as automotive, aerospace, and consumer electronics, where consistency and accuracy are paramount.

Metal pressing is incredibly versatile in the types of metals that can be used, including steel, aluminium, copper and brass. This adaptability makes it possible to create components ranging from simple brackets to complex structural elements.

Press brake machine being operated
Progression Presswork13

Equipment Used in Metal Pressing

The main piece of equipment used in metal pressing is the pressing machine, also commonly referred to as a press brake or simply presses. There are many different types of pressing machine, each with different advantages. For example, hydraulic presses utilise fluid pressure to exert force, making them ideal for high-capacity operations.

To create the intended part, presses use die sets, which consist of male and female components designed to shape the metal. Dies can be simple or compound, depending on the complexity of the design and the number of operations required. Additionally, coil feeders and straighteners may be used for handling metal coils, feeding metal into the press uniformly and without defects.

Safety mechanisms such as guards and sensors are also integral, preventing accidents and maintaining a safe working environment.

The Metal Pressing Process

Metal pressing begins with placing a prepared metal sheet between two dies within a pressing machine. The press, driven by either mechanical, hydraulic, or servo mechanisms, applies immense force to a ram, which drives the upper half of the die into the metal sheet, pressing it into the lower die.

This action deforms the metal into the desired shape, with the die's contours determining the final form. Depending on the part's complexity, multiple operations such as blanking (cutting the sheet to shape), piercing (creating holes), and bending (forming angles) may be executed in sequence.

Parts may undergo further treatments like quality control, heat treating or coating to enhance their properties. This rigorous attention to detail ensures that each pressed metal part is durable, precise, and ready for its intended application.

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Common Metal Pressing Operations

  • Bending:
    One of the fundamental press operations is bending, which involves deforming the metal to a specific angle or shape. This is vital for creating structural elements and parts with angular designs
  • Flanging:
    Flanging is another essential operation, where edges of a metal piece are bent to form a flange. This is particularly useful in the automotive and aerospace industries for creating reinforced edges and connections.
  • Embossing:
    Embossing, is used to create raised or recessed designs on the metal surface, often for decorative purposes or to improve grip and texture.
  • Blanking:
    Blanking is the process of cutting a flat piece of metal from a larger sheet. This operation is fundamental in manufacturing as it provides the starting material for further pressing operations.
  • Coining:
    Coining involves pressing metal between two dies to achieve precise, intricate details, often used in minting coins or creating fine-detail components.
  • Drawing:
    Drawing is the process of pulling metal through a die to form hollow shapes like tubes and cans, which is essential in packaging and piping applications.
Steel Parts2

What is Progression Presswork?

Ideal for industries requiring high-volume and precision components, progression presswork is a manufacturing process that involves a series of sequential operations within a single die set. This technique utilises a continuous strip of metal, which is fed through a series of stations.

Each section of the die performs a specific operation, such as punching, bending, or coining, progressively shaping the metal into the final part. The process is highly efficient, as it allows multiple operations to be completed in one pass, greatly reducing production time.

Additionally, progression metal presswork guarantees consistent quality and precision, making it ideal for producing complex parts. This method is widely used in the automotive, electronics, and appliance industries, where high-speed production and accuracy are paramount.

Progression Presswork

Advantages of Metal Pressing

Metal pressing offers numerous advantages that make it a preferred manufacturing method in various industries

Cost effective:

One of the primary benefits is its cost-effectiveness for high-volume production. When large quantities of parts are required, metal pressing greatly reduces the per-unit cost, making it an economically viable option for manufacturers.

Precision and consistency:

Metal pressing guarantees that each component meets exact specifications, which is vital for industries like automotive, where parts such as body panels, brackets, and chassis components must adhere to strict quality standards.

Versatility:

Metal presses can handle a wide range of materials, including steel, aluminium, and copper, and are capable of producing intricate shapes and designs. This flexibility allows manufacturers to create a diverse array of products, catering to various market needs.

Minimal waste:

The process generates minimal material waste, compared to other manufacturing methods, contributing to cost savings and environmental sustainability.

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Metal Pressing and its Importance to Industry

Metal pressing remains a cornerstone of modern manufacturing, playing a crucial role in numerous industries from automotive to electronics. Its ability to produce high-quality, precise components at scale makes it indispensable for meeting the demands of today's fast-paced industrial landscape. As technology advances, metal pressing continues to evolve, offering even greater precision, efficiency, and cost-effectiveness.

For any questions about metal pressing or to explore how this versatile process can benefit your manufacturing needs, don't hesitate to contact Kiyokuni. As an experienced metal pressing company, we are well-equipped to provide guidance and solutions tailored to your specific requirements.






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