Part cooling and optimum cycle times should be determined according to the highest possible chilled water temperature during the mould design process. Designing for a higher chilled water flow rate, to achieve a 3°C temperature difference across the mould, instead of say a 5°C one, can also enable part cooling at a higher temperature. The power input to a chiller isreduced for every degree increase in chilled water temperature, offering a significant cost reduction over the operating lifetime. A higher water exit temperature will also make a smaller chiller feasible, at a lower cost of purchase.
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