Shenzhen Alu Rapid Prototype Precision Co., Ltd.
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- What is squeezing die casting?
Squeeze die casting is a hybrid manufacturing process that combines elements of die casting and forging to produce high-quality, dense metal parts with enhanced mechanical properties. It involves injecting molten metal (typically aluminum, magnesium, or zinc alloys) into a die cavity under high pressure, similar to traditional die casting. However, in squeeze die casting, the molten metal is subjected to additional controlled pressure (or "squeezing") during solidification, which minimizes defects and improves the part's microstructure.
Key Features of Squeeze Die Casting:
High Pressure Application: After injecting the molten metal, a sustained high pressure (typically 50–150 MPa) is applied to the material as it solidifies. This reduces porosity, gas entrapment, and shrinkage defects.
Improved Density: The squeezing action compacts the metal, resulting in a denser, stronger part with a finer grain structure compared to conventional die casting.
Enhanced Mechanical Properties: Parts exhibit superior strength, ductility, and fatigue resistance, making them suitable for demanding applications.
Complex Geometries: Like die casting, it supports intricate shapes and thin-walled structures while maintaining tight tolerances.
Reduced Waste: The process minimizes material waste and post-processing needs due to its precision and defect reduction.
Types of Squeeze Die Casting:
Direct Squeeze Die Casting: Pressure is applied directly to the molten metal via a punch or secondary ram during solidification.
Indirect Squeeze Die Casting: Pressure is applied through the injection system, typically using a modified die casting machine.
Produces near-net-shape parts with excellent surface finish.
Eliminates or reduces porosity and shrinkage defects.
Suitable for high-performance components in industries like aerospace, automotive (e.g., engine blocks, suspension components), and electronics.
Improved material properties allow for thinner, lighter designs without sacrificing strength.
Higher equipment and operational costs compared to traditional die casting due to specialized machinery.
Longer cycle times because of the controlled solidification process.
Limited to certain alloys with suitable fluidity and solidification characteristics.
Shenzhen Alu Rapid Prototype Precision Co., Ltd., with its expertise in advanced manufacturing, may offer squeeze die casting as part of its service portfolio, especially for clients needing high-precision, high-strength aluminum or magnesium parts.