How to Create Low Pressure Overmolding Prototypes

30 Jul.,2024

 

How to Create Low Pressure Overmolding Prototypes.

If you are looking to create low pressure overmolding prototypes for your products, this article is for you. In this guide, we will take you through the process of creating low-pressure overmolding prototypes. Read on to learn more.

What is Low-Pressure Overmolding?

Low-pressure overmolding is the process of creating a waterproof seal over an existing part using a low-pressure injection molding technique. It involves the use of a molding machine to inject a specialized polymer material over the existing component, such as an electronic circuit board or a metal frame. The polymer is cured, creating a watertight and durable seal around the component.

Step-by-Step Guide to Creating Low-Pressure Overmolding Prototypes.

Here is a step-by-step guide on how to create low-pressure overmolding prototypes:

1. Choose a Mold Material.

Select a mold material that is capable of withstanding the low-pressure injection process. Consider materials such as silicone rubber, polyurethane, or thermoplastic elastomers.

2. Select a Molding Machine.

Choose a molding machine that is suitable for the product prototype. Look out for machines with low-pressure settings and programmable controls for accurate and consistent molding.

3. Prepare the Part.

Clean and dry the part to be overmolded. Apply a release agent to the surface to prevent the part from sticking to the mold material.

4. Prepare the Mold.

Prepare the mold material by pouring it into the mold cavity. Allow the material to cure for the recommended time, depending on the mold material used.

5. Injection Molding.

Once the mold material is cured, load the mold onto the injection molding machine. Inject the specialized polymer material over the part.

6. Curing.

Cure the polymer material inside the mold for the recommended time. Remove the part from the mold once the material has fully cured.

7. Finishing.

Trim off any excess polymer material using a sharp knife or trimming tool. Sand the surface of the overmolded part to achieve the desired finish.

Why Choose Low-Pressure Overmolding?

Low-pressure overmolding is a great option for product prototypes for several reasons:

1. Waterproof Seal.

The overmolded component forms a waterproof seal that protects against moisture, dust, and debris.

2. Enhanced Durability.

The polymer material used in the overmolding process provides a durable layer of protection that prolongs the life of the product.

3. Aesthetically Pleasing.

Low-pressure overmolded parts are smoother and more aesthetically pleasing than traditional overmolded parts.

Get in Touch with a Supplier.

If you are looking for a supplier to create low-pressure overmolding prototypes for you, get in touch with us. We are a trusted supplier that specializes in low-pressure overmolding. Contact us today!

Want more information on rapid tooling systems, low pressure overmolding companies? Feel free to contact us.