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  • What is a die casting process?

Die casting is a manufacturing process used to produce precise, complex metal parts by injecting molten metal into a reusable steel mold, called a die, under high pressure. The process is widely used for creating high-volume, intricate components with excellent surface finish and dimensional accuracy. Here's a concise overview

Key Steps in the Die Casting Process:

Mold Preparation: A steel mold (die) is designed with the exact shape of the desired part. The die is typically made in two halves, which can be opened and closed.

Melting and Injection: Metal (commonly aluminum, zinc, or magnesium) is melted in a furnace and injected into the die cavity at high pressure (typically 1,000 to 30,000 psi) using a piston or plunger.

Cooling and Solidification: The molten metal cools and solidifies rapidly inside the die, taking on its shape. Cooling time depends on the part's thickness and material.

Ejection: Once solidified, the die is opened, and the part is ejected using ejector pins.

Trimming and Finishing: Excess material (flash) is trimmed, and the part may undergo additional processes like machining, polishing, or coating for enhanced aesthetics or functionality.

Advantages:

High precision and repeatability for complex shapes.

Smooth surface finishes, reducing the need for secondary processing.

Fast production rates, ideal for high-volume manufacturing.

Strong, lightweight parts with consistent quality.