Which mold temperature machine is easy to use, of course, choose the mold temperature machine produced by Wanju Company. The purchase of mold temperature machine and the calculation method of heater power
1. Calculation method of heater power
A. Find the heater power KW=W×△t×C / 860×T
W = mold weight KG
â–³t = mold required temperature - mold starting mold temperature
C= specific heat oil (0.7~0.8) steel (0.11) plastic (0.45~0.55)
T = time to warm the mold to the required temperature (hours)
2. Calculation method of pump flow rate and pressure (head) P (pressure Kg/cm2) = 0.1 × H (head M) × α (heat transfer medium specific gravity, water = 1, oil = 0.7-0.9)
L (media required flow rate L/min) = Q (heat required for mold Kcal / H) / C (media ratio hot water = 1 oil = 0.45) × Δt (temperature difference between circulating media entering and exiting the mold) × α × 60
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