Heating & Cooling

NPE

Heating/Cooling: Energy-Saving Mold-Temperature Control Comes to NPE

Electronic flow control is paired with a variable-speed TCU pump to achieve optimum cooling with the minimum energy required. 

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Injection Molding: Wittmann’s U.S. Debut of Two Machines, New Robots & Auxiliaries at NPE

A high-speed packaging machine, two-shot micromolder, and new high-end and economical robots, plus several new auxiliaries bow in at NPE.

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Keeping The Heat on The Barrel

Noncontact radiant heaters embedded in ceramic-fiber insulation save energy and keep heat from being lost into the plant environment.

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NPE

Central Chiller Uses New Control To Maximize Cooling, Minimize Energy Use

Chiller calculates and uses the lowest allowable refrigerant pressure to maximize performance and deliver energy savings.

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NPE

Process Cooling: Variable-Speed Chillers Boast Dramatic Energy Savings

Variable-speed, air-cooled chillers from Delta T Systems complement water-cooled versions announced earlier.

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Packaging

R&D Effort to Boost Efficiency in Thermoformed Packaging

Key is tiny, individually controlled ceramic heaters that allows optimal regulation of film thickness.

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best practices

Air-Ring Upgrade Pumps Up the Output

Film processor Dallas Plastics boosts throughput by as much as 40% by retrofitting a new air ring—without the need for IBC.

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Injection Molding: Nozzle Heaters & Thermocouples: A Case of Wiring Done Wrong

Incorrect placement of wires for these components frustrates molders and costs them money to boot.

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An Inside Look at Turbulent Flow

Years of talk about observing and studying coolant flow in a clear simulated cooling channel finally becomes a reality. Here’s how it all came together, and what it all means.

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Postindustrial

Auxiliaries: New Auxiliaries for Blending, Loading, Cooling & Granulating

Wittmann Battenfeld showed a variety of new and modified auxiliary equipment at the Fakuma show.

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Process Cooling
Plastics Size Reduction