2020.08.18
① The steam pressure and external main pipe reach 7-8kg.
② The pressure reducing valve should be adjusted to 4-5 kg if the pressure relief valve is adjusted and the solution connection degree is high; 2-2.5 kg pressure should be adjusted for the low degree of solution connection. (normal product control pressure: 0.3-0.4 when the pressure gauge is offline and 0.5 when it is online)
③ Use less water cooling, control in 0.5-2 seconds is the best.
⑤ Minimize the water in the mold into the vacuum pipe.
idea:
High flow and high temperature demoulding, the moisture content of the product is about 6-7%, and the mold negative pressure reaches 5 at the moment of vacuum cooling.
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