Production Plastic Parts

  • Average lead time 25 days

  • Virtually any moldable plastic

  • Low and high volume, 250 – 10,000+ parts

  • No setup fees

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Overseas Injection Molding

While stateside molding is available upon request, we do the majority of our injection molding with a Chinese partner. Many people have understandable  reservations about manufacturing in China. Below are the most common questions we receive.

Why manufacture in China at all?

The short answer is cost. Just buying tool steel in the US is more expensive than buying the steel and cutting the mold in China.

Is my intellectual property safe?

We account for more than 50% of our Chinese partner’s revenue. It is simply not worth the risk to them to begin selling counterfeit products.

can you ensure part quality?

We receive samples from every mold before production begins. These parts are inspected to ensure they are within tolerance.

Parts in Your Hands in Just a Few Days

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3 Space Adds Value

Advanced Molding

Overmolding

Overmolding allows you to add soft-touch materials like TPE to buttons, grips, and other components on an otherwise rigid part. You
can overmold and entire part or specific areas.

Two-Shot Molding

With two-shot molding, you can manufacture multi-color or
multi-material parts in a single mold. This can help minimize assembly cost and make an overall stronger part.

Finishing Options

Color Matching

We can match the color of your parts to any provided color value. Provide us with a Pantone, RGB, or CMYK color and we’ll find a colorant to match.

SPI Finishes

After your tooling is machined, the mold can be finished to any SPI standard. We can sand away any tool marks or polish to a high gloss, whatever your project requires.

Textures

We offer hundreds of textures that can be applied to your entire part or just certain sections. These include pebbled, wood grain, haircell, and more.

Post-Processing

We can provide a variety of post-processing operations for your parts. Getting ready-to-use parts from a single provider can help you streamline your manufacturing process, reduce lead times, and eliminate the risk of miscommunication.

  • Inserts

  • Pad printing

  • RFID shielding

  • Assembly

How Injection Molding Works

Injection molding is the fastest and most commonly used plastic manufacturing process. Prior to injection molding, you first have to design and machine the mold itself. This is essentially a block of steel or aluminum into which a negative of your part is cut. The mold is then placed in an injection mold press. A hopper is filled with pellets of material and these pellets are fed into the barrel. A ram and screw drive the pellets into the heated portion of the barrel where they are melted. The liquid plastic is then forced through a runner, into the mold where it fills the entire cavity. Water channels allow the plastic to cool quickly after the mold is filled. The two halves of the mold then separate and ejector pins force the part out of the mold before the process begins again. Molding a single part can take anywhere from a few seconds to a few minutes.

Injection Molding Design Guide

There are a number of factors to bear in mind when designing parts to be 3D printed with FDM. Fortunately, we’ve written an in-depth design guide to help.

  • Wall thickness

  • Draft angles

  • Ribs and gussets

  • Mold sink

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