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December
From the perspective of the application of the entire lost foam equipment, in the embodiment of the application production capacity of various lost foam equipment in Hangzhou, its application effects in various aspects have driven the improvement of casting quality.
Simply put, it is mainly based on the following factors to consider whether this process is more appropriate
Fill the sealed mold cavity with the cured expandable polystyrene beads, and directly enter the mold cavity through the pores of the mold wall in a short period of time to make the beads soften after being heated. swell. Due to the limitation of the mold cavity, the expanded beads can fill all the gaps and be completely bonded as a whole. After cooling and shaping, the mold is opened to take out the casting shape.
The intermittent pre-foaming machine appeared in foreign countries very early. The original fully automatic foam sheet equipment adopts the principle of impeller high-speed rotating foam making, so it is also called "foaming machine".
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