EN
What are you looking for?
Vacuum casting or low volume production involves making a mold out of silicone rubber, usually based upon a master model created by CNC machining or one of our rapid prototyping services. Vacuum casting is a low-cost but reliable method for making a small number of high-quality prototypes based on a master part. This method is an ideal method for rapid prototyping used in engineering mechanical testing, proof-of-concept before making the tooling for mass production.
Vacuum casting is one of the prototype processing methods, its advantages are fast time, low cost, has a very good market competitive advantage, the mold can be made of materials: ABS, PP, PC, PMMA, POM, soft rubber, silicone rubber and so on. As a reliable vacuum casting China company, Essai offers high-quality products and exceptional service. If you have any inquiries, welcome to contact us directly.
Vacuum complex mold is the most ideal way of small batch rapid manufacturing:
1. No need to invest in high initial cost to make molds.
2. The degree of mold reproduction is high, and the surface details of the product are excellent. Only a small amount or no post-processing is required.
3. Many different molding polymer materials are available for selection, and the required colors can be blended according to requirements.
4. After the prototype is made, the mold can be completed within a few days.
5. Mould strength can meet 50 productions.
6. The encapsulation makes plastics of different materials and hardnesses integrally formed.
The purpose of vacuum casting in manufacturing is to produce high-quality prototypes or small production runs of parts. This method allows for the creation of complex and detailed components, which are often used for testing, presentation, or functional purposes before investing in expensive tooling for mass production.
The vacuum casting process involves several steps. Firstly, a master pattern of the desired part is created using 3D printing or other rapid prototyping methods. This pattern is then enclosed in a silicone mold, which is placed in a vacuum chamber. A liquid casting material, typically polyurethane resin, is mixed and poured into the mold under vacuum conditions. The vacuum helps remove any trapped air and ensures a uniform fill. The mold is then cured, and the part is removed and post-processed to achieve the desired finish.
Vacuum casting offers several advantages over other manufacturing processes. Firstly, it allows for the production of highly detailed and accurate parts with intricate geometries. The silicone molds can capture even the smallest details and surface textures of the original pattern. Additionally, vacuum casting is a cost-effective method, particularly for low-volume production, as it eliminates the need for expensive tooling. The process is also relatively quick and can be completed within a few days, making it ideal for rapid prototyping.
Vacuum casting can accommodate a wide range of materials. The most commonly used materials include polyurethane resin, which offers excellent mechanical properties and can simulate various durometers and colors. Additionally, materials such as silicone, epoxy resin, and even wax can be used depending on the specific requirements of the part.
Vacuum casting finds applications in various industries. In the automotive sector, it is used for creating prototypes of car parts, such as headlights or interior components. In the medical field, vacuum casting is employed to produce anatomical models or customized medical devices. It is also widely used in the consumer electronics industry for prototyping and small-scale production of gadgets, casings, and buttons. Furthermore, vacuum casting plays a crucial role in the aerospace and defense sectors by enabling the production of lightweight and complex components.
We are warmly welcome your inquiry, you can call or send a email directly, we are always here to support you for engineer manufacture solution, DFM, price ideal whatever you need.
