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Plastic Injection Molding Solution

Plastic Injection Molding

50 to 100,000+ Parts

Molds and Moldings

Plastic Injection Molding Service

At Star Rapid, we specialize in high-quality custom plastic injection molding and mold tool making. Plastic injection molding is by far the industry’s most common way to manufacture plastic parts, especially when making larger quantities. We provide custom molding for 50 to 100,000+ injection molded parts as well as a wide range of other manufacturing and finishing services to complete your project. Contact our international injection molding team for a free quote and to talk about your next injection molding project.

What Is Plastic Injection Molding?

Plastic injection molding involves melting granular plastic pellets into a liquid form and then compressing this liquid into the empty cavity of a mold tool. The plastic will retain the shape of the mold as well as the surface texture of the walls of the cavity. After an optimized injection and cooling phase, the now solidified plastic part is ejected and the molding cycle is repeated. This molding cycle can take from as little as a few seconds to several minutes depending upon part size, molding resin and part design.

                           

Advantages Of Plastic Injection Molding

  • We have thousands of different types of plastic available for you to choose from, for a wide range of mechanical and cosmetic properties.
  • Plastic injection molding is great for larger volumes. For smaller volumes we might recommend other services like CNC machining, vacuum casting or 3D printing depending on the needs of your project.
  • Hundreds of thousands of parts can be produced from a single mold tool.
  • Your part can have excellent surface quality finishes in a wide range of polishes and textures.
  • Injection molding allows you to do overmolding to combine different types of plastic in one piece. It is ideal for lightweight parts that are immune to corrosion.

Mold Tool Production

At Star Rapid, we make great tools for low-volume manufacturing. When making your mold tool we use aluminum 7075, pre-hardened tool steels such as P20 and NAK-80, and fully-hardened H13 tool steel. The material used will depend on your specifications, the type of resin and the number of parts you want to produce.

Aluminum Tooling

Aluminum tools are quickest to produce and most cost effective. Aluminum is softer and therefore suited to smaller volumes. For larger volume production, and for aggressive resins or part geometries requiring thin blades or ribs, it’s best to use harder materials that are more durable.

Steel Tooling

Steel tools are tougher and more durable but can take longer to produce. These are suited for larger volumes or when injecting abrasive or corrosive plastics that would damage aluminum molds.

  • Pre-hardened tool steel is used for quantities of 100,000 and more, depending on plastic material and part geometry. We use P20 and NAK80 stress-relieved steel.
  • Fully-hardened tool steel is the most durable and can be used for millions of injected parts. H13 hardened steel is ideal for full production volumes or when injecting abrasive engineering-grade plastics.

(One Man One Mold) Service

In a hurry for quick-turnaround plastic injection mold tools? Our service was created to provide injection tooling in as little as half the time of conventional tools. We do this by streamlining the entire tooling project, from conception to completion, using a single master machinist who takes ownership of the project from start to finish. 

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Tel:
86-18667882836
86-18967854492
86-0574-62001718
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Address:
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