Injection Molding

'Extreme Performance' Copolymers Push the Boundaries for Polycarbonate

Already a familiar sight on European store shelves, the eye-catching appeal of "IML" is gaining traction among North American injection molders. The latest tooling and automation designs can handle the higher volumes needed here.

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Royal Plastic to Make Laser-Sintered PEEK Aircraft Parts

Aerospace composite fabricator Royal Plastic Mfg., Minden, Neb., is expanding into the emerging field of rapid manufacturing with the purchase of the first Eosint P 800 laser sintering machine in North America from EOS of North America Inc., Novi, Mich.

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Hot/Cold Thermal Cycling of Injection Molds Heats Up

Injection molders are warming up to the idea of cycling their tool surface temperature during the molding cycle rather than keeping it constant.

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Don't Neglect Cooling... There's Money to Be Made

For most injection molding jobs, cooling is 95% of the cycle time.

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Unusual Insert Molding Yields Integral EMI/RFI Shielding

One of the winners of the recent SPE Automotive Innovation Awards embodies a number of technical advances in manufacturing worthy of 29 U.S. patent applications.

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Micromolding with COC

A pretty impressive example of micro injection molding is this “microwell array,” which has millions of tiny wells measuring 3 microns in diam. and 3 microns deep, with a pitch of 6.5 microns.

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Kortec, Silgan Reach Container Deal

Kortec Inc., Ipswich, Mass. and Silgan Plastics have signed an agreement giving the Chesterfield, Mo., molder exclusive rights to supply Kortec’s multilayer, thin-wall containers for specific markets throughout North America.

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Where Are You Using Energy?

Few plants are able to accurately divide up their energy consumption by where it occurs, despite the fact that this is relatively easy to do.

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Do's and Don'ts for Overmolding Liquid Silicone onto Thermoplastics

Hard/soft overmolding has become a fundamental technique for injection molders in recent years, and a growing number of molders are extending that technology thermoset/thermoplastic combinations.

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Balanced Filling Is Critical for Holding Molding Tolerances

Processors face a multitude of challenges whenever they approach an injection molding machine.

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Process Cooling