Precision Vacuum Casting Functional Prototype

Mini Order Quantity: 1pices

Supply Capacity: 5000 pieces per month

Tolerance: +-0.2mm

Roughness: Ra.4,Ra0.8, Ra1.6, Ra6.3,etc, basing on customer’s requirement

Drawing Format: CAD, DXF, STP, X-T, PDF, etc

Price: According to customer’s part drawing and quantity required

Machining Process:Vacuum Casting, Urethane Casting,etc

Materials available: ABS, PC, POM, PA, PMMA, Rubber, Silicone, etc.

Surface Finishes: Polishing, Painting, Silkscreen printing, etc.

Lead time: For prototype: 5-7 days, for Low Volume Production parts: 10-20 days according to different part specification and quantities.  


Specifications of Precision Vacuum Casting Functional Prototype

Product name

Vacuum Casting Functional Prototype

Production Service

3D printing, Vacuum Casting, CNC Machining, Precision CNC Lathing, CNC Turning, CNC Drilling, CNC Milling, Sheet Metal Stamping, Extrusion

Available materials

Aluminum, stainless steel, brass, PEEK, ABS, PC, PA, PTFE, PBT, POM, PMMA, PEEK, etc.

Service type

Rapid Prototype Service, CNC Service, Plastic CNC service, Metal CNC Service

Surface Finishes

Polishing, Sandblasting, Painting,Silkscreen printing,etc

Drawing format



Over ten years of experience in rapid prototype parts manufacturing

Quality control

Full inspection before delivery




Customized Shape


Custom color as per customer requirement

Lead time

5-10 days for prototypes manufacturing

The Process of Vacuum Casting Functional Prototypes

Vacuum casting is a popular manufacturing process for creating functional prototypes. It involves creating a mold of the desired object and then injecting liquid material, such as polyurethane, into the mold under vacuum. Once the material has hardened, the mold is removed, and a functional prototype is created.

Here are the steps involved in vacuum casting prototyping:

Create a 3D CAD model of the desired object: Use computer-aided design (CAD) software to create a 3D model of the object you want to prototype.

Create a mold: Use the 3D CAD model to create a mold. The mold can be made from various materials, such as silicone or polyurethane.

Prepare the mold: Apply a release agent to the mold to prevent the liquid material from sticking to it.

Mix the liquid material: Mix the liquid material according to the manufacturer's instructions.

Pour the material into the mold: Pour the mixed liquid material into the mold. Make sure the mold is completely filled, and tap the mold to remove any air bubbles.

Place the mold under vacuum: Place the mold into a vacuum chamber, and apply a vacuum to remove any remaining air bubbles.

Cure the material: Allow the material to cure according to the manufacturer's instructions.

Remove the mold: Once the material has cured, remove the mold from the vacuum chamber, and carefully remove the prototype from the mold.

Finish the prototype: Remove any excess material or flashing from the prototype, and finish it as desired.

Vacuum casting is a cost-effective way to create functional prototypes, especially if you only need a small number of precision mechanical parts. It is also ideal for creating prototypes that have complex shapes or features that cannot be easily achieved with other manufacturing processes.

Get in Touch With YS Rapid
Get in Touch With YS Rapid

Upload your 3D and 2D drawings to us, and a quotation will be provided to you within 24 hours. Also our sales engineer will contact you directly regarding your rapid prototype and cnc machinery parts quote to ensure you have received the quotation and to answer your questions.

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