Heating & Cooling
Molder Saves Energy and Maintenance Headaches With New Type of Quiet-Running Chiller
The first plastics molder to use a radically new kind of chiller was looking for improved reliability to keep its plant running 24/7.
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Easy Cures for Common Complaints About Hot-Oil Units
Molders of high-temperature materials frequently ask these six questions about hot-oil temperature-control units (TCUs):Is smoke dangerous?Why is the pump discharge pressure bouncing all over?Why has the oil degraded and is it damaging the pump seals?Why can’t I get the mold hot enough without running the temperature above the flashpoint?Does it mean I’m running the oil too hot if I am getting carbon on the Y-strainer?If the oil has turned color, should it be replaced?There are straightforward answers and solutions to all of the above.
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How to Address Cooling System Woes
Anyone who operates a molding plant knows three things it cannot run without: raw material, electrical power, and cooling water.
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Close the Loop on Clean Cooling Water
A plastics molding plant runs on more than electricity—it runs on water.
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How Urgent Plastic Services Lives Up To Its Name
If you need prototype or short-run parts fast, Urgent Plastic Services can make the mold and the parts in as little as two to four weeks instead of the 10- to 12-week average for other firms.
Read MoreFrom NPE 2000: What's Hot in Hot Runners
Closer cavity spacing, in-press serviceability, improved valve gates, smarter controls, quick-ship standard manifolds, and Internet e-commerce were leading themes in hot runners at the big show in Chicago.Hot-runner components were one of the largest categories of injection molding products exhibited at the triennial NPE show in June.
Read MoreNPE 2000 News Wrap-Up: Extrusion
At this year’s NPE, new processes to put wood flour into plastic were virtually everywhere—several even start with undried flour.
Read MoreNPE Newsfinder: Heating and Cooling
Band-heater developments at the show are focused on high-temperature applications such as “thixomolding” and on prolonging heater life by minimizing leaks.
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NPE News Wrap-up - Water & Oil Temperature Control
If you’re the sort of manager that can’t resist checking up on your plant after you go home for the night, now you can click on your web browser and read out mold temperatures right there on your PC.
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NPE 2003 News Wrap-Up: Hot-Runner Temperature Controls
Sophisticated hot-runner temperature controls introduced at the NPE show in Chicago store set-up data right on the mold, detect (and even fix) thermocouple wiring mistakes, and employ easier-to-use icon-based displays.
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