Question

Calculate the amount of cooling water to be circulated for cooling the injection mold for the component having following data: Injection temperature of plastic $= 180^\circC$, temperature at the end of solidification=60ºC, Specific heat capacity of plastic $3.48 kJ/kg^\circC$. weight of plastic component = 260gm. Cycle time for component = 15 sec., Incoming water temperature 208C, outgoing water temperature: 328C, Specific heat capacity of water:$4.2 kJ/kg^\circC$.

Answer 1

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