Plastic Injection Moulding

Our plastic injection moulding process produces custom prototypes and end-use production parts in 15 days or less. We use aluminium moulds that offer cost-efficient tooling and accelerated manufacturing cycles, and stock more than 100 different thermoplastic resins.

 

We offer a number of secondary moulds and tooling services to support your project.

How It Works

The thermoplastic injection moulding process at Proto Labs is a standard process involving an aluminium mould with no heating or cooling lines running through it, which means cycle times are a bit longer. It allows our moulders to monitor fill pressure, cosmetic concerns, and the basic quality of the parts.

Resin pellets are loaded into a barrel where they will eventually be melted, compressed, and injected into the mould’s runner system. Hot resin is shot into the mould cavity through the gates and the part is moulded. Ejector pins facilitate removal of the part from the mould where it falls into a loading bin. When the run is complete, parts (or the initial sample run) are boxed and shipped shortly thereafter.

 


Injection moulding Icon

25 to 10,000+

Shipped in 15 days or less

 

 

Best for:
  • on-demand parts
  • low-volume production
  • bridge tooling
  • pilot runs
  • functional prototyping

Thermoplastic Materials

Choose from production-grade thermoplastic resins ranging from ABS, PP, PC and nylon to high-performance resins like PEEK and PEI. A number of colourant options are available and customer-supplied thermoplastics are also accepted.

 

VIEW MATERIALS

Design Guidelines

Our basic guidelines for plastic injection moulding include important design considerations to help improve part mouldability, enhance cosmetic appearance, and reduce overall production time.

 

VIEW GUIDELINES
Press operator examines liquid silicone rubber part

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