Injection Molding

PET Processing

INJECTION MOLDING AT NPE: Molding Exhibits Show Off Cell Integration with Multiple Processes & Operations

If you’re interested in lightweight composites, IML, LSR, multi-shot, inmold assembly, barrier coinjection, micromolding, variotherm molding, foams, energy-saving presses, robots, hot runners, and tooling—they’re all here in force.

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Medical

Mack Moves Into Medical Disposables With New Cleanroom

At a customer鈥檚 request and after a $2 million investment in people and technology, custom molder and contract manufacturer Mack Molding, Arlington, Vt., is making its first foray into high鈥恦olume, single鈥恥se medical components.

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Extrusion

Surging Growth

Processors have been expanding at a fast and furious pace since October.

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processing tips

For Better Warpage Simulation, Consider the Whole Molding Process

Which way will it warp, and how much? To get an accurate prediction, you have to look at the whole mold and the whole process, over several cycles.

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TOOLING: What You Can Do About Mold Buildup

It depends on the materials and additives you use, and the kinds of mold detail, but adequate venting, not overheating the material, and mold coatings are your best defenses.

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best practices

INJECTION MOLDING: The Trouble with Mismatched Nozzle Tips & Sprue Bushings

It happens more than most molders realize and can cause a host of molding problems. Here’s what to look for and how to fix it.

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Multicomponent

Why Five-Axis Cartesian Robots Are a Hit with Molders

Five-axis linear robots are proving to be a cost-effective alternative to six-axis articulated robots in many applications.

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Multicomponent

A Challenger Tackles Coinjection For Barrier PET Preforms

Barrier PET containers for beverages, sauces, and other sensitive products become more cost-effective through more efficient use of expensive barrier resins.

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Automation

Short-Run Specialist Chases Higher Productivity While Staying Lean

How do you automate jobs that run only a few hours? That’s only one of the questions challenging a fast-growing, short-run molder.

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For Repeatable Molding, Add Some Variability

Engel finds repeatability in a variable process.

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Process Cooling
Blending & Dosing