Manufacturing method of ceramic beads suitable for sand blasting
A manufacturing method and technology of ceramic beads, applied in the field of manufacturing of ceramic beads, can solve the problems of high cost, low production capacity, environmental pollution, etc., and achieve the effects of reducing pollution, increasing production capacity, and reducing costs
Active Publication Date: 2014-11-19
深圳市川菱科技有限公司
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Problems solved by technology
However, the diameter of the ceramic beads formed by wind blowing is very unstable, and only a small part (about 10-15%) meets the requirements, so the production capacity is very low, the cost is high, and the process of wind blowing molding causes great pollution to the environment
In addition, this process is difficult to adjust the surface finish of ceramic beads, and only ceramic beads with a bright glossy surface can be obtained, which is not suitable for processing workpieces that require dark glossy or matte glossy surfaces
Method used
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[0015] Please refer to figure 1 , the manufacturing method of the ceramic bead that is suitable for sandblasting of preferred embodiment of the present invention, the step comprises:
[0016] (1) mixing the raw materials;
[0017] (2) Obtain ultrafine powder, the particle size of which is less than 2 μm;
[0018] (3) rolling forming ceramic beads with preset diameters;
[0019] (4) sintering the ceramic beads, then cooling naturally;
[0020] (5) ceramic bead polishing;
[0021] (6) Grinding to obtain ceramic beads suitable for sandblasting.
[0022] The following is a detailed description of the above steps:
[0023] In step (1), the raw material contains ZrO 2 、Al 2 o 3 , SiO 2 , MgO, for example, the raw material can be mixed with zircon sand, zirconia powder, magnesia, kaolin and mixed rare earths (zircon sand contains ZrO 2 and SiO 2 , kaolin contains Al 2 o 3 and SiO 2 ), wherein kaolin can also be made of industrial alumina powder (Al 2 o 3 ) in whole or...
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Abstract
The invention provides a manufacturing method of ceramic beads suitable for sand blasting. The manufacturing method comprises the steps as follows: mixing raw materials to prepare ultrafine powder with the particle size of less than 2 mum; rolling and forming to prepare the ceramic beads within a preset diameter range; sintering and naturally cooling the ceramic beads; polishing the ceramic beads; and grinding to prepare the ceramic beads suitable for sand blasting. Compared with the prior art, the manufacturing method is high in productivity, low in cost and low in environmental pollution, and is suitable for manufacturing the ceramic beads with bright glossy surfaces, matt glossy surfaces and dark glossy surfaces.
Description
technical field [0001] The present invention relates to a method for manufacturing ceramic beads, and in particular to a method for manufacturing ceramic beads suitable for sandblasting. Background technique [0002] Sand blasting is a commonly used process for surface treatment of metal and plastic workpieces. Spraying sand blasting medium onto various workpieces can eliminate internal stress, strengthen and beautiful the surface. Glass beads and stainless steel beads are currently the most widely used traditional shot peening. The raw material cost of glass beads is low, and the production process is simple, but the specific gravity is light, the toughness is poor, and it is easy to break. When used, it will generate a lot of dust, and the injection force is not enough because of the light specific gravity. Due to the process, the particle size of stainless steel beads cannot be made very small, and because of the large specific gravity, it is easy to cause damage to the ...
Claims
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IPC IPC(8): C04B35/622C04B35/16C04B35/48
Inventor 刘龙
Owner 深圳市川菱科技有限公司