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Vacuum Casting

Mastars Vacuum Casting Service

Vacuum casting, which is using a master prototype to make a silicone mould, and then produce the reproduction via pouring the material into the silicone mould. This tech is usually used for small batches production because the cost of the silicone mould is lower than the steel mould. Also, the production lead time of vacuum casting is shorter than other process, such as CNC machining and injection moulding. Low cost and fast production, that’s why vacuum casting products with better market competitiveness.

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Benefits Of Vacuum Casting Process

Investment casting or vacuum casting has several advantages to the prototype producing industries. Here are some of them:

  • Quality – this process lets you choose the correct material required to design the desired part according to its hardness.  The finished product can be either painted in the desired color or can be kept simple that will give it crystal appearance.
  • High precision – the mold used to produce the prototype produce the parts similar to the original model. Even the complex parts with typical geometries can be easily produced using vacuum casting service. Moreover, it produces the final result with high precision.
  • Prices and deadlines – the process involves a cost-effective production where in loss investment more prototype can be produced.  Parts can generate around 30 – 50 prototype parts in less than 15 days that is more beneficial during the urgent needs.
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Mastars Vacuum Casting Technical Specifications

Standard lead time Up to 10 copies within 15 working days
Standard accuracy ±0.3% (with a lower limit on ± 0.3 mm on dimensions smaller than 100 mm)
Minimum wall thickness To ensure that the mold is filled properly, a wall thickness of at least 0.75 mm is necessary. For best results, we recommend a wall thickness of at least 1.5 mm
Maximum part dimensions The size of the mold is limited by the dimensions of the vacuum chamber (1900 x 900 x 750 mm) and by the volume of the product (maximum volume: 10 liters)
Typical quantities Up to 25 copies per mold (depending on the mold’s complexity and the casting materials)
Surface structure High-quality surface finish comparable to injection molding
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Related Prototyping Service

Popular FAQs About Vacuum Casting

Advantages of Vacuum Casting

  1. Affordable
  2. Superior and smooth surface finishing
  3. Color options
  4. Able to generate large parts
  5. Repeatability

How Does Vacuum Casting Works

  1. Make a high-quality master 3D model
  2. Make the master pattern
  3. Mix and Pour Polyurethane resin – final curing

Applications of Vacuum Casting

  1. Food and beverages
  2. Household products
  3. Commercial products

Materials of Vacuum Casting

  1. ABS
  2. Polucarbonate and PMMA
  3. Rubber
  4. Polypropylene and HDPR
  5. Polyamide and glass filled bylon
  6. Filled ABS
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