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What is Rotational Molding?

2022-11-29 超级管理员 本站 24

Rotational molding, also known as rotational molding, rotary molding, cycloforming, etc., is a technical method for hollow molding of thermoplastics.It can be made into plastic products of various shapes, sizes and colors.The product is featured by integrated molding, which is a rare plastic processing and molding method.

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The process of rotational molding technology: put the powder in the mold for heating, while the mold rotates and revolves with the fixed vertical axis, and then cool it for molding. At the beginning of the heating phase, the powder material needs to form a porous layer on the mold surface first, then gradually melt with the circulation process, and finally form a homogeneous layer of uniform thickness. The mold is then transferred to the cooling work area, cooled by forced ventilation or water spraying, and then placed in the work area. The mold is opened, the finished parts are taken away, and then the next cycle is carried out.
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