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Can Vacuum Die Casting Make Thin-walled Parts? How Can Its Efficiency Be Improved?


Technically, vacuum die casting is widely used in industries that require high-quality product parts. Major industries that primarily take advantage of this include: Military, Medical, Electronics, Aerospace, Telecommunications, Marine, etc. We can manufacture thousands of parts by vacuum die casting process for different applications. Some of these parts include: automotive engine components, radar housings, medical surgical holders, medical radiators, medical frame components, inlet duct compartments, heat sinks, motor covers, engine filter components, engine mounts, automotive oil pans, etc.


1. Can vacuum die casting make thin-walled parts?


Yes. However, the exact dimensions depend largely on the type of metal material you are casting. Technically, different metals have different properties, which can affect the overall tolerance of a part. For example, zinc alloys can be easily fabricated into thin-walled vacuum die castings because the material is malleable and easy to plate. Furthermore, the resulting zinc alloy parts have tight tolerances, which is essential to obtain thin-walled parts in this casting process. Therefore, with the right tools, machines and the right procedure you can easily manufacture vacuum die cast thin walled parts.


2. How to reduce the porosity in the vacuum die casting process?


During the die casting process, voids or pores tend to form on the surface of the part material. The main reason for the porosity of castings is the entrainment of gas or air in the mold cavity. However, the vacuum die casting process involves injecting molten metal into a mold under high pressure. The process also creates a vacuum in the mold cavity and short sleeve before the injection of the stool occurs. During this time, nearly all air is actively expelled from the mold, and a vacuum is maintained until the injection cycle is complete. Essentially, this reduces significant porosity in the casting and leads to a subsequent increase in the density and tensile strength of the part.


3. How to improve the efficiency of vacuum die casting?


Ideally, proper planning is a core element to increase vacuum die casting efficiency and achieve better results. It is very broad and goes into the following details.


1. Automation: It will be an ideal choice to use advanced vacuum die-casting process equipment. High-tech machines reduce downtime and costs and enable you to obtain quality parts. 2. Simulation: Ideally, a test run is recommended prior to the actual process to identify all important aspects that require attention and adjustments. It enables designers to identify and fix all critical elements needed in the process. 3. Reduce waste: You can achieve this through proper planning of the entire production process. Therefore, it is necessary to conduct product and process analysis for the reasons for scrapping.



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