Zinc Die Casting
We manufacture zinc die casting components spanning from a few grams to over 100 pounds, ensuring exceptional quality that's prepared for assembly. Our extensive array of surface finishing options for zinc die casting encompasses powder coating, e-coating, shot blasting, chrome plating, and a polished finish. NGR caters to a diverse range of industries, including automotive, food processing, dairy, machinery, medical equipment, plumbing, irrigation, mining, petrochemical, electrical, energy, aerospace, submarine, and various others.
What Is Zinc Die Casting?
Zinc die casting is a metal casting method distinguished by the injection of molten metal into a mold cavity. This cavity is formed through the use of two toughened tool steel molds that are precision-machined to closely match the final shape of the zinc die casting components. The zinc die casting process offers the advantage of producing products with exceptional precision and consistency. Additionally, this process can achieve intricate features, like textured surfaces or engravings, without the need for additional post-processing.
What does the Zinc Die Casting process entail?
Steel dies, designed for the rapid and repetitive production of tens of thousands of zinc castings, are typically constructed in at least two segments to facilitate the removal of the castings. These components are securely affixed within the machinery, with one serving as a fixed die half while the other acts as a movable injector die half. Initiating the casting process involves the clamping together of these two mold segments by a die-casting machine. Molten zinc alloy is then introduced into the mold cavity, where it swiftly solidifies. Subsequently, the mold halves separate, and the zinc casting is ejected. The complexity of zinc die casting molds can vary, featuring movable slides, cores, or other components depending on the intricacy of the desired casting.
​
To date, the entire zinc die casting cycle stands as the swiftest method for producing precise zinc components. This stands in sharp contrast to sand casting, which necessitates new sand molds for each casting. Even though the permanent mold process employs iron or steel molds instead of sand, it remains notably slower and less precise when compared to zinc die castings.
Advantages of Zinc Die Casting
-
Exceptional tool longevity
-
Precise tolerances
-
Outstanding thermal conductivity
-
Rapid cycle times
-
Resistance to corrosion
-
Ideal for decorative finishing
-
Minimal energy expenditure
Common Materials Utilized in Zinc Die Casting:
Material | Tensile Strength(Mpa) | Thermal Conductivity (W/mK) | Key Characteristic |
|---|---|---|---|
ZA 8 | 374 | 115 | 1. Ideal for decorative application. 2. Excellent finishing and plating characteristics. 3. Good performance of strength, hardness, and creep properties. |
ZAMAK 5 | 328 | 109 | 1. Has a higher copper content than Zamak 3, which results in higher strength. 2. Has less ductility than Zamak 3. 3. More readily plated, finished, and machined than Zamak 3. |
ZAMAK 3 | 283 | 113 | 1. Great balance of physical and mechanical properties. 2. Good castability and long-term dimensional stability. 3. Good damping capacity and vibration attenuation. |
ZAMAK 2 | 359 | 105 | 1. Excellent damping capacity and vibration attenuation. 2. Superior to other Zamak alloys with creep performance. 3. High strength and hardness levels after long-term aging |