Die casting is an efficient manufacturing process for producing accurate, high-quality metal parts at high volumes. It forces molten metal under high pressure into a steel mold called a die to form the desired part shape.

How Does Die Casting Work?

The process starts by melting metal ingots or recycled scrap material in a furnace to a molten state. The liquid metal is then injected into the die under extreme pressure supplied by a hydraulic or mechanical piston. Depending on the size and part geometry, this pressure can range from 5,000 to over 40,000 psi.

The metal rapidly cools and solidifies when it hits the walls of the water-cooled die. After solidification, the die opens and automatically ejects the finished cast part in seconds. This allows for a continuous high-volume production cycle.

Benefits of Die Casting

  • High productivity and low labor costs at high volumes

  • Excellent dimensional accuracy and repeatability

  • Smooth cast surfaces that often require no machining

  • The ability to produce complex shapes not possible by other methods

  • Variety of castable metals like aluminum, zinc, copper, steel

  • Less material waste compared to machining processes

Die casting rapidly produces intricate, high-tolerance metal components at a relatively low per-part cost once the initial dies are made. It is commonly used across many industries, such as automotive, aerospace, medical, and consumer products. Die casting OEM Service provided by Fine-precision is very popular among our customers, contact us now!

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