Zinc door handle production process mainly involves material preparation, mold design, injection and cooling, etc.
The die casting manufacturing process of zinc alloy door handles usually includes the following main steps:
1.Zinc door handle production process: material preparation
First, the zinc alloy need melte to the appropriate temperature. Generally, the melting point of zinc alloy is between 419-420°C. During the heating process, other elements may need to be added to improve the properties of the alloy, such as magnesium or silicon, etc.
2.Zinc door handle production process: mold design and preheating
The mold is made of steel and needs to be specially designed according to the product design. Before die casting, the mold need preheat to a certain temperature. That’s to ensure rapid solidification and reduce defects when the metal is injected.
3.Injection
The molten zinc alloy is injected into the mold cavity at high pressure and speed. This process usually complete within a few seconds, for example, the cycle time of the hot chamber die casting process can be as short as a few seconds. During the injection process, the molten metal enters the mold cavity at high speed (10-100 m/s) and high pressure (2-250 MPa).
4.Cooling and solidification
In the mold cavity, the zinc alloy cools rapidly and solidifies. To ensure the integrity and quality of the casting, the mold needs to apply a certain clamping force to prevent deformation during the injection process.
5.Take out
When the casting is completely solidified, the mold opens and the ejection mechanism ejects the product from the mold. This step requires good control of the thickness of the die casting to avoid quality problems caused by uneven thickness.
6.Post-processing
The zinc alloy door handle after die casting may need further surface treatment or machining to meet the accuracy and appearance requirements of the final product.
During the entire die casting process, vacuum die casting technology can significantly improve the density of castings and reduce defects such as pores. For example, by introducing a vacuum in the mold cavity, the gas content in the casting can be reduced, thereby improving its mechanical properties.
Haichen zinc door handle die casting machine
Haichen is one Chinese die casting machine manufacturer for more than 10years. We produce both high pressure cold chamber die casting machine and hot chamber die casting machine.They have durable and highly precise features. Haichen also produce die casting machine auxiliary equipment. Such as conveyor, vacuum machine, mold temperature controller, industrial robot, sprayer and so on.
Haichen have rich experience of manufacturing zinc door handles. As per each customer’s specific demand, we can supply zinc door handle production line including hot chamber die casting machine. Also with auto ladle, auto sprayer and other necessary auxiliary equipment to improve the production efficiency and products quality.
