Why Plastic Gears are Overtaking Metal Gears

For many decades, the primary material used for gears throughout various industrial applications was metal. In recent years, however, plastic has begun to take a larger and larger share of the gear market, now with uses across numerous industries and fields -- why is...

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On Plastic Injection Mold Cooling Time

There are several factors that play a major role in the efficiency and part quality of any injection molding process, and cooling time is at or near the top of any such list. Cooling plays a huge part in the overall cycle time of a given mold, taking up more...

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Avoiding Defect Risks in Plastic Injection Molding

There are certain issues no one wants to see when dealing with injection molded products, and one broad category here is a defect of some kind in the final part. Many plastic parts don’t ever make it all the way to market with their originally-intended properties, and...

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Plastic Over-Molding Basics, Method and Materials

There are several techniques that might be used within the broad realm of plastic injection molding, and one of the most common and well-known is over-molding. Referring to the layering of two or more specific plastic pieces, where at least one additional part is...

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Cold Runner Vs. Hot Runner Plastic Injection Molding

While a number of major advances have changed several parts of the plastic injection molding world over the last few decades, one theme remains that’s been present for the duration: Most injection molds fall into two categories, either hot runner or cold runner...

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