Method and equipment for coating metal bond on abrasive particle

A metal bond, abrasive particle technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of uneven distribution of abrasive particles, waste of abrasives, segregation, etc., to achieve the effect of simple process and overcoming poor adsorption effect

Inactive Publication Date: 2009-06-03
JIANGSU TIANYI ULTRA FINE METAL POWDER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process makes it difficult for the matrix material to have a great holding force on the abrasive particles and a good "matching" wear function
Due to the large difference in density between abrasive particles and matrix materials, segregation will be caused during production, resulting in uneven distribution of abrasive particles, which not only wastes abrasives, but also affects the function and use efficiency of products

Method used

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  • Method and equipment for coating metal bond on abrasive particle

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Embodiment Construction

[0017] The method comprises the following steps: first, the abrasive grains with a clean surface and no pollution are placed in the heating chamber 6. In order to prevent the abrasive grains from being oxidized during the heating process, the heating chamber must be treated under a protective atmosphere such as vacuum or nitrogen or argon. Abrasive grains are heated, and the lower limit of temperature should be higher than the boiling point of the metal carbonyl complex used for coating, and the upper limit of temperature should not reduce the abrasive strength; secondly, the abrasive grains heated to the required temperature are transported to a vibrating or agitator 11 In the coating chamber 7, open the metal carbonyl complex vapor inlet 4, input the metal carbonyl complex vapor into the coating chamber 7, and start the vibration or agitator 11 to coat at the same time; finally, the coated abrasive is transported to the cooling chamber. The passivation chamber 8 cools the pas...

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Abstract

The invention relates to a method for packing metal anchoring agent with grinder particles, wherein said method comprises that: first putting grinding particles into heating room (6) to be heated, while the low temperature limit is higher than the boiling point of packed carbonyl metal complex compound, and the up temperature limit is relative to the packing thickness, which should not reduce the strength of grinding agent; then transferring the heated grinding particles to the packing room (7) with vibrator or mixer (11), feeding carbonyl metal complex compound steam to pack; then transferring the packed grinding material to the cooling inactivating room to be inactivated and outputting material, or entering into next circulation. The inventive grinding particle has uniform distribution, to be used to product micro nanometer ultra-rigid cutting blade, etc.

Description

technical field [0001] The invention relates to a method and equipment for coating abrasive particles with a metal bond, in particular to a method using Fe(CO) 5 、Ni(CO) 4 、Co 2 (CO) 8 A method and equipment for decomposing on the surface of abrasive grains, so that metal binder elements such as iron, nickel, cobalt, etc. , cubic boron nitride, or abrasives coated with W, Mo, and Cr, hereinafter collectively referred to as abrasives, and the present invention particularly relates to a method of utilizing the heat carried by heated abrasive particles to decompose metal carbonyl complex vapor on its surface to form a coating Layer method and equipment; coated abrasives are used to manufacture superhard products with uniform distribution of abrasive particles, superhard products with uniform distribution / orderly arrangement of abrasive particles, micro-nano superhard cutting sheet products, and thin superhard cutting wires And other micro-nano superhard products. Background...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F1/02C09K3/14
Inventor 高为鑫王斌柯尊斌
Owner JIANGSU TIANYI ULTRA FINE METAL POWDER
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