Injection Molding

On-Site: Custom Molder Pursues the Dream of Proprietary Products

“Every custom molder thinks he needs a proprietary product,” says John Currier, president and co-owner of the injection molding firm his father founded, Currier Plastics in upstate Auburn, N.Y.

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Modular Conveyor Boosts Productivity and Profits for Toothbrush Manufacturer

Automation in plastics processing can involve sophisticated, high-tech manufacturing cells specialized for a particular application (see NPE feature this month ). Or it can involve much simpler, off-the-shelf solutions that offer the user flexibility to configure—and reconfigure—an automation system according to the job and plant layout.

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Injection Molded, Long-Glass Thermoplastic Concrete Forms

WEB EXCLUSIVE: An unusual application for long-glass fiber reinforced thermoplastic is injection molded concrete forms measuring up to 3.7 x 2 ft.

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Molds & Tooling

‘Lean’ Versus Quality Management: They Don’t Have to Conflict

A 'Lean Compliance' system allows an organization to focus its lean initiatives in a way that also improves its quality management system.

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Don’t Just Be a ‘Replacer’

To be a skilled troubleshooter is about understanding how your molds function, paying attention to the details, establishing a consistent troubleshooting method, and using historical data to guide your tooling replacement decisions

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What Percentage of Barrel Capacity Should Your Shot Size Be?

The answer combines both experience and science, and it may be one of those molding details that gets overlooked but could be stealing a chunk of your profits.

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Microcellular Instrument Panel Wins SPE Grand Award

The largest automotive component ever molded with the MuCell microcellular process—and also the first instrument panel ever molded with this process—won the Grand Award at the 2011 SPE Automotive Innovation Awards Competition last month.

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Intrusion Molding: Does It Affect Part Properties?

In plastics molding, there is always a tradeoff between maximum part-size capacity and investment for a larger-capacity machine.

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Production Aluminum Tooling: What's Holding You Back?

It might be time to pursue aluminum molds in applications where traditional P20 steel has been specified without giving serious thought to any alternative.

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More Hydraulic Presses Get Energy-Saving Servo Drives

Injection molders who want to save energy costs have a growing number of alternatives.

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Blending & Dosing