Industry News

What are the advantages of aluminum casting?

2025-09-05


Ningbo Yinzhou Xuxing Machinery Co., Ltd. has established a significant position in the field of precision metal parts manufacturing with 15 years of professional knowledge in aluminum die casting and metal mold casting. Aluminum casting is an efficient manufacturing process that involves injecting molten aluminum alloy into precisely machined, reusable steel molds under high pressure. These molds are typically made of high-quality and durable tool steel. After the molten metal solidifies rapidly in the mold cavity, the hydraulic system releases the locking device, and the two halves of the mold separate, ejecting the solidified casting. This cycle is repeated quickly, enabling the mass production of complex and precisely sized parts. Do you know the advantages of aluminum castings?


Aluminum Casting

Dimensional Accuracy and Surface Finish

The machining tolerances of aluminum casting molds are extremely strict, which means that the cast parts almost do not require secondary processing.

High-pressure die casting ensures that the molten metal precisely replicates the complex details of the mold cavity, resulting in a smooth surface finish and sharp, clear features.

This level of precision reduces secondary processing, lowers costs, and accelerates time to market for products.


High productivity and efficiency

The rapid cycle capability of modern die-casting machines enables the production of thousands of identical parts in an extremely short time.

Compared with many other casting processes such as sand casting or investment casting, its cycle time is significantly reduced.

The automation potential of die-casting units further enhances output and consistency.


Strength-to-weight ratio

Aluminum alloys inherently offer a perfect balance between strength and low density.

Die-cast aluminum components have excellent structural integrity while being significantly lighter than equivalent parts made of iron, steel, or many zinc alloys.

This is crucial in industries such as automotive and aerospace, where reducing weight translates to improved fuel efficiency and performance.


Complex geometries and thin walls

The high-pressure injection process can fill complex cavities that are difficult or even impossible to achieve with other manufacturing methods.

The aluminum casting process can produce parts with extremely thin walls, thereby reducing weight and saving materials without compromising structural requirements.


Enhanced mechanical properties

The aluminium alloys used in casting can be selected or formulated to provide specific properties, such as high strength, good corrosion resistance, excellent thermal and electrical conductivity, and durability.

Heat treatment processes can further enhance these properties after casting.


Flexible selection

We offer a variety of aluminum alloys, each with unique properties, suitable for various applications that require different balances of strength, fluidity, corrosion resistance or thermal performance.

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