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One of the China Professional Zinc Alloy Die Casting Manufacturers
High Precision, Excellent Surface Finish, and Cost-Effective Production

Why Choose CEX As Your Zinc Die Casting Manufacturer?

  • CEX has three production bases, providing one-stop service from mold design to zinc die casting production and packaging, and is one of the TOP 5 zinc die casting manufacturers in China.
  • 160-1100T zinc alloy die casting equipment, 52 advanced machines for manufacturing, measuring and testing purposes.
  • Over 25  years of experience in mould development and zinc die casting, that can control product quality from the source.
  • ISO 9001 and IATF 16949 certified to control the quality from the entire production process.
  • Experienced R&D team to provide technical support to produce custom zinc die casting parts.
  • 90% orders are exported to more than 200 customers from North America, Europe, Japan and other regions.

CEX Capabilities

At CEX Casting, we understand the importance of delivering high-quality products that meet the exact specifications of our customers. We utilize advanced technologies and modern manufacturing processes to ensure the production of parts with outstanding precision and complex details, below is our zinc alloy die casting capabilities.

Zinc Die Casting Machines 160T-1100T
Minimum Weight 0.01kg
Maximum Weight 20kg
Minimum Size 18*5mm
Maximum Size 1200*800mm
Minimum Wall Thickness 0.7mm
Maximum Wall Thickness 25mm
Tolerance 0.075mm
Material Zamak, Za/Zp Alloy, etc

Our Zinc Die Casting Surface Finish Services

  • Polishing and Buffing: Polishing and buffing processes can result in a smooth and shiny surface finish. This treatment is suitable for parts that require a high level of smoothness and a flawless appearance.
  • Sandblasting: Sandblasting involves propelling abrasive particles onto the surface of the zinc die casting parts using high-pressure air or other methods. It creates a matte or textured surface effect, which can enhance the aesthetics and hide surface defects.
  • Plating: Plating is a common surface treatment for zinc die castings. It involves depositing a layer of metal, such as chrome, nickel, or zinc, onto the surface of the part. Plating enhances the corrosion resistance of the part and provides a decorative finish.
  • Painting and Powder Coating: Painting and powder coating are popular surface finishes that offer a wide range of color options. These finishes provide an additional protective layer, improve durability, and enhance the appearance of zinc die casting parts.
  • Anodizing: Anodizing is a process that involves creating an oxide layer on the surface of the zinc die casting part. This treatment enhances corrosion resistance, improves surface hardness, and can provide different color options.
  • Laser Etching and Engraving: Laser etching or engraving can be used to add permanent markings, logos, or designs to the surface of zinc die casting parts. This method allows for precise and detailed customization.

Strict Quality Control

CEX Casting is a manufacturer focusing on zinc alloy die casting, with ISO 9001 and IATF 16949 certified. We have implemented strict quality control measures throughout the entire production process, from mould making to casting and post processing. We are committed to providing quality products and ensuring customer satisfaction. The following is our quality control processes:

Mould Control: over 25 years of experience in independent research, development, and manufacturing of moulds, ensuring quality control from the source.

Raw Material Control: All raw materials are strictly inspected and tested to ensure their stable quality and performance.

Production Process Control: Each production process has corresponding control points and process parameters to ensure product consistency and quality stability.

Inspection and Testing: We have a dedicated quality inspection team and advanced testing equipment, responsible for comprehensive inspection and testing of each production batch.

Our quality control process is designed to ensure that each product meets high standards of quality. We are committed to delivering superior quality and reliability to provide enduring value to our customers.

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Our Developed Zinc Alloy Die Casting Parts

CEX Casting is one of the prominent zinc alloy die casting manufacturers based in China. Our capabilities in zinc alloy die casting allow us to tackle projects of varying complexities. Whether it’s small components with complex geometries or larger parts with precise tolerances, we have the expertise and resources to meet the diverse needs of our customers. We pride ourselves on our ability to produce high-precision parts that meet the most demanding requirements of industries.

Patented-aluminum-squeeze-casting-machine-and-process
In-House Tooling Capability

Over 25 years of independent mould R&D and manufacturing experience, enabling us to effectively control mould quality and delivery time, and most importantly, there is no middleman to make a difference.
After you pay for the first set of mould, you don’t need to worry about its lifespan. We will be responsible for mould maintenance and redevelopment costs.

Zinc Die Casting vs Aluminum Die Casting

The choice between die cast zinc and aluminum depends on several factors, including the specific requirements of the application and the desired characteristics of the final product. Both processes have their own advantages and considerations. The following is a comparison of zinc die castings and aluminum die castings:

Zinc Alloy Die Casting Aluminum Alloy Die Casting
Mechanical Behavior higher impact strength good strength to weight ratio, lighter weight and better thermal conductivity
Precision and Complexity high precision, can produce complex parts high precision, not suitable for extremely complex parts
Surface Finish smooth and even surface treatment required
Corrosion Resistance good corrosion resistance, suitable for outdoor and corrosive environments additional protective coating or treatment required to enhance its corrosion resistance
Cost lower mould cost high mould cost

Advantages of Zinc Die Casting

  • Excellent Dimensional Accuracy: zinc die casting provides high precision and dimensional stability, allowing the production of highly complex parts with tight tolerances, thin walls, and reduced draft angles.
  • Excellent Mechanical Properties: zinc die casting products have high strength and hardness, good impact resistance and excellent dimensional stability.
  • Excellent Surface Finish: zinc alloy die casting parts has a smooth, uniform surface finish. The mould used in the process creates complex details and textures on the part, eliminating the need for additional surface preparation or finishing operations.
  • Good Corrosion Resistance: zinc die casting parts are suitable for outdoor and corrosive environments.
  • High Thermal Conductivity: zinc’s high thermal conductivity allows for efficient heat dissipation, making it suitable for applications where thermal management is critical, such as electronic enclosures and heat sinks.
  • High Production Efficiency: with high productivity and shorter lead time.
  • Cost Effective Production: relatively low cost of zinc alloy die casting mould, high production efficiency, lower melting point than other metals that can save energy during the casting process.
  • Recyclability: high pressure zinc die casting waste can be easily melted down and reused without any quality loss.

What Is Zinc Die Casting?

Zinc die casting is a manufacturing process in which molten zinc is injected into a mould cavity under high pressure to produce complex-shaped components with high precision and excellent surface finish.

The process begins by melting a high-quality zinc alloy, usually composed of zinc with small amounts of aluminium, copper and magnesium. The molten metal is then injected into the steel mould using a dedicated zinc die casting machine. The high pressure applied by the machine ensures that the molten metal fills all the complex features of the mould, capturing every detail of the desired part.

Once the molten zinc alloy has solidified inside the mould, the mould is opened and the newly formed zinc die casting part is ejected. The part is then subjected to various post-processing treatments such as trimming, deburring, surface finishing and machining as required to obtain the desired end product.

Zinc Die Casting Material

Different die casting zinc material has different properties, the most commonly used die casting zinc alloys include:

  • Zamak 3: zamak 3 has excellent fluidity, high strength and good corrosion resistance. It is commonly used for general purpose zinc die casting components in industries such as automotive, electronics and consumer goods.
  • Zamak 5: zamak 5 has higher strength and stiffness compared to Zamak 3, making it suitable for applications requiring higher structural integrity. It is commonly used in automotive and industrial applications.
  •  Zamak 2: zamak 2 is known for its excellent castability, dimensional stability and good impact strength. It can be used in a variety of industries including automotive, electrical and home appliances.
  • ZA Alloy: za alloy, also known as zinc-aluminum alloy, is a zinc alloy with a high aluminum content. This alloy has increased strength, hardness and creep resistance compared to standard zinc alloys. They are often used in applications requiring higher mechanical properties.
  • ZP Alloy: zp alloy or zinc-aluminum-copper alloy is a zinc alloy with a high copper content. These alloys have improved mechanical properties, higher hardness and higher wear resistance. They are often used in applications where strength and durability are critical.
  • Other Alloys: in addition to the above alloys, there are various special zinc alloys available for specific applications. These include alloys with additives such as nickel, lead or tin to achieve specific properties such as increased corrosion resistance or enhanced machinability.

 

FAQ

What Is Zinc Die Casting?

Zinc die casting is a manufacturing process in which molten zinc is injected into a mold cavity under high pressure to produce complex-shaped components with high precision and excellent surface finish.

What Materials Are Used for Zinc Die Casting?

The most commonly used die casting zinc alloys include: Zamak 3, Zamak 5, Zamak 2, ZA Alloy, ZP Alloy, Other Alloys (with additives such as nickel, lead or tin).

What Are the Advantages of Zinc Die Casting?
  • High Precision and Dimensional Accuracy
  • Excellent Surface Finish
  • Good Strength to Weight Ratio
  • High Productivity and Efficiency in Mass Production
  • Ability to Produce Thin-walled and Intricate Shapes
  • Good Corrosion Resistance
What Industries Commonly Use Zinc Die Casting?

Zinc die casting is widely used in various industries including automotive, electronics, telecommunications, consumer goods, aerospace, and more.

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