Delta T Systems joins Mokon and Frigel in offering a combination heating/cooling system of a chiller and TCU in one package.
Our April print edition includes a Keeping Up item on a new combination chiller/mold-temperature controller from Delta T Systems. It incorrectly says this is the first such combined heating/cooling unit on the market. In fact, Mokon has offered such units since 1990 and issued an extensive redesign in 2016. Frigel also offers such a combined heat/cool unit.
Delta T Systems nonetheless claims that the complete package of standard features on its new combo device makes it distinctive—such as variable-speed compressors and fans, electronic expansion valve, etc.
Modifications to the common core pin can be a simple solution, but don’t expect all resins to behave the same. Gas assist is also worth a try.
If you never paid much attention to what kind of refrigerant is circulating inside your plastics chillers, it may be time you did.
For decades molding experts have talked about the importance of achieving turbulent flow in mold-cooling circuits. But what is it about turbulence that makes it so important? What can be measured and demonstrated to have some tangible value to molders? Several months ago, the author’s firm began looking for answers.