How are alumina balls formed?

Views: 363 Author: Site Editor Publish Time: Origin: Site

  Today, the editor will introduce how alumina balls are formed:

  (1).Extrusion molding of alumina ceramic balls

  Extrusion molding of alumina ceramic balls is currently a lower-grade but higher-volume forming method among similar ceramic balls. It is generally used to form ceramic balls below aluminum or clay balls. This type of ceramic ball has a low sintering temperature and simple production equipment. It only requires a ball mill, filter press, vacuum kneading machine, and a lower-temperature kiln to produce.

  (2).Granulation forming of alumina ceramic balls

  The granulation forming of alumina ceramic balls adopts the production process of forming dumplings and belongs to a semi-dry and wet forming method. It is formed by continuously sticking dry powder on the outside of the "wet core". This forming method determines its low embryo density, layered embryo, and poor impact resistance during grinding. This forming equipment is relatively simple, and only a set of granulation machines is needed.

  (3).Hydraulic hard mold forming of alumina ceramic balls

  This forming method has high requirements for powder materials, and the powder usually needs to be spray-granulated. Different equipment is used according to different specifications and output requirements. In the early stage of small-scale production, even hydraulic jacks were used to form alumina ceramic balls. With the fierce competition in the industry, this production method has gradually been phased out.

  (4).Dry isostatic pressing forming of alumina ceramic balls

  Dry isostatic pressing forming of alumina ceramic balls is currently a more advanced forming method and easy to achieve automated production. It is less affected by human factors, and the consistency of the shape and appearance of the embryo is better than that of the cold isostatic pressing forming with a wet bag.

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