Semisolid centrifugal separating casting ball grinding process, process device and ball casting machine

A technology of centrifugal separation and casting grinding balls, which is applied in the direction of casting molding equipment, manufacturing tools, metal processing equipment, etc., can solve the problem of unsatisfactory short process process, lack of high-efficiency casting ball production equipment, and small production scale of casting grinding balls and other problems, to achieve the effect of cheap other equipment, green production of production cost and working capital, and high utilization rate of equipment

Inactive Publication Date: 2013-06-05
武达兼
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  • Description
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AI Technical Summary

Problems solved by technology

The short-flow process is suitable for three-shift operation and mass production, but the current production scale of casting grinding balls is not large, and there is also a lack of high-efficiency casting ball production equipment, which cannot meet the requirements of the short-flow process

Method used

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  • Semisolid centrifugal separating casting ball grinding process, process device and ball casting machine
  • Semisolid centrifugal separating casting ball grinding process, process device and ball casting machine
  • Semisolid centrifugal separating casting ball grinding process, process device and ball casting machine

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Embodiment Construction

[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0040] Such as figure 1It shows that the present invention is a semi-solid centrifugal separation casting grinding ball process. The process is to use the returned material itself as the raw material for the chilling of the preparation slurry and the generation of seed crystals, and put it into the ladle in a certain proportion, and after rapid stirring, it will be returned to the furnace. When all the charge is dissolved into the molten metal, it becomes a low-temperature semi-solid initial slurry with a high solidification rate and good fluidity. The initial slurry is injected into the water-cooled spinner that rotates synchronously with the metal mold, and is subjected to strong chilling and shearing again, and the sol...

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Abstract

The invention discloses a semisolid centrifugal separating casting ball grinding process, a process device and a ball casting machine. Returns serve as raw materials, and a metal liquid is processed into metal semisolid slurry conforming to requirements in a casting ladle and the ball casting machine, so that high-quality ball grinding can be achieved; and the metal liquid is subjected to evaporative cooling, so that the semisolid centrifugal separating casting ball grinding process can be actually applied in industrial production, however, if a short-flow process is to be adopted, a production line is required to be formed by a plurality of ball casting machines in a group casting mode, and the yield of the production line can be improved exponentially.

Description

technical field [0001] The invention belongs to the field of semi-solid alloy casting grinding balls, and relates to a grinding ball forming process and a ball casting machine. Background technique [0002] After the alloy liquid is semi-solidified, the mechanical properties and wear resistance of the castings can be improved. This technology has been applied in aluminum alloy die casting and squeeze casting. According to test data, the impact toughness and fracture toughness of squeeze-cast hypereutectic high-chromium white cast iron are 145% and 55% higher than those of conventional sand casting after semi-solid treatment, and the tendency of shrinkage porosity is completely eliminated. Ferrous metal, due to its high melting point, the preparation, storage, transportation and molding technology of semi-solid slurry is difficult, so there has been no report on its industrial production so far. [0003] As we all know, the inner quality, impact toughness and wear resistance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D13/00B22C9/20
Inventor 武达兼
Owner 武达兼
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