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Vacuum Casting Explained And The Benefits Of This Concept


Jun 27, 2019 #technology

Printing technologies are becoming more and more advanced every year, and 3D printing is ever changing in the Industry. Several modern concepts such as vacuum casting have been introduced, and many industries are using vacuum casting as it has a range of benefits.

What Does The Process Of Vacuum Casting Entail?

The process of vacuum casting is a ground-breaking method to progress prototypes of industrialized parts where a master model is manufactured using stereolithography as a means of creating the model case. The master model must be of exceptional quality and free of any flaws to ensure that each prototype which is developed is of the best quality. The process involves the mold being placed in a silicon rubber nutshell which is treated at high heat. After treatment, the master mold is manufactured with a hollow center. The next step comprises filling the mold with a liquid to obtain a similar shape than the master model by using a vacuum chamber. Polyurethane resins such as polyethylene or polycarbonate are utilized as a filling material for prototyping purposes. The filled resin is then mixed with metallic powder to achieve the preferred properties. The mold inside the chamber is covered to avoid air bubbles from forming after which the mold is placed in an oven. The mold is removed cautiously so that it can be reused for producing more parts. The prototype is painted and has reached the final stage of completion before it is distributed to customers. You can check out this section: What is Vacuum casting? And how vacuum casting benefits your company to obtain more detailed insight on the topic of vacuum casting and how it could best help your business.

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Benefits of Vacuum Casting

Vacuum casting or otherwise referred to as investment casting has several advantages for companies where the production of prototypes is necessary.

1. Quality

This process allows you to select the appropriate material required for designing the sought-after part according to the hardness of the part. This is achievable due to the application of polyurethane resins. These resins offer the right hardness and flexibility to the material. The finished product can be kept as is to give it a crystal appearance or it can be painted in the color you desire.

2. High Precision

The mold which is used for producing the prototype is giving the parts the same appearance as the original model. Even complex parts that have typical geometries can easily be produced by making use of vacuum casting. In fact, the final result is manufactured with high precision.

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3. Deadlines and Pricing

This method is a valuable and useful way of producing prototypes in a cost-effective way and is more advantageous than any other printing technology available. Thirty to fifty prototype parts can be generated in less than fifteen days, which can be highly productive when you’re working against a deadline. Without question, vacuum casting is perfect for testing the market with a prototype of the final products, commercialization and for mechanical and aesthetic validation.

By ozfetch

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