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The process flow of the V process casting

Qingdao Shengmei Machinery Co.,Ltd | Updated: Aug 04, 2018
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The process flow of the V process casting is as follows:

Film heating - Coating on the model - spray coating - drying - sand box - sand vibrating solid - scraping flat film - starting mold - Box - pouring - cooling - sand - Cleaning - heat treatment - Inspection of storage.

What is V Process casting
[V] vacuum molding, also known as vacuum sealing negative pressure molding process. It uses single dry sand as molding sand and vacuum drying with plastic film to make dry sand. The casting has good quality, high dimensional accuracy, smooth surface and few defects. Because the molding sand does not use the binder, is easy to die out, the sand treatment is simple, almost all can be recycled, reduces the material consumption, is beneficial to the energy saving and emission reduction, and improves the labor conditions. It is a promising foundry technology, which is called green environmental modeling technology, and has been used more and more in the production of small and medium-sized castings.

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