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Formula system for abrasive layer of resin cubic boron nitride (CBN) end face grinding wheel

A face grinding and grinding wheel grinding technology, applied in abrasives, metal processing equipment, manufacturing tools, etc., can solve the problems of high foreign exchange purchase price, low processing efficiency, poor accuracy guarantee, etc., to improve wear resistance and abrasive holding ability, The effect of improving the holding ability and improving the grinding efficiency

Inactive Publication Date: 2011-05-18
沈阳中科超硬磨具磨削研究所
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AI Technical Summary

Problems solved by technology

For the above process, this formula system has disadvantages such as poor ability to hold the abrasive on the grinding wheel section, poor toughness, and short life.
However, the grinding area of ​​the piston is narrow and the flatness requires high precision, resulting in low processing efficiency and poor precision assurance in the grinding process, making it a difficult process
There are similar products with better performance in foreign countries, such as the end grinding wheel produced by Mitsui Company of Japan and Wente Company of France, but the formula system of the working abrasive layer cannot be retrieved, and the purchase price in foreign exchange is expensive. It is inevitable to fill the gap in China through independent research and development. trend

Method used

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  • Formula system for abrasive layer of resin cubic boron nitride (CBN) end face grinding wheel

Examples

Experimental program
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Effect test

Embodiment 1

[0008] Embodiment 1: graphite 5% cryolite 5% copper powder 5% silicon dioxide micropowder 5% diamond 5% CBN15% phenolic resin 60%

Embodiment 2

[0009] Embodiment 2: graphite 8% cryolite 10% copper powder 8% silicon dioxide micropowder 10% diamond 5% CBN15% phenolic resin 44%

Embodiment 3

[0010] Embodiment 3: graphite 10% cryolite 5% copper powder 10% silicon dioxide micropowder 5% diamond 10% CBN20% phenolic resin 40%

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PUM

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Abstract

The invention relates to a formula system for the abrasive layer of a resin cubic boron nitride (CBN) end face grinding wheel, belonging to the preparation technique of an accurate grinding wheel. The formula system in the invention special for the abrasive layer is designed aiming at the grinding wheel for the grinding processing of an air condition compressor piston. In the invention, graphite, cryolite and silicon dioxide are added in the formula of the abrasive layer of the known resin CBN grinding wheel and chromium trioxide is eliminated, and a bonding agent is still the common phenolic resin. The formula system provided by the invention has the advantages of cheap raw materials and no pollution, and the end face of the manufactured grinding wheel has the combination properties of high tenacity, high strength, high holding force and the like.

Description

technical field [0001] The invention relates to a preparation technology of fine grinding wheel. Background technique [0002] At present, the abrasive layer formula system of the resin CBN grinding wheel used in the grinding process of air-conditioning compressor pistons in China mostly uses phenolic resin as the binder, and is composed of copper powder and chromium oxide. For the above-mentioned process, the formula system has disadvantages such as poor ability to hold the section abrasive of the grinding wheel, poor toughness, and short service life. However, the grinding area of ​​the piston is narrow, and the flatness requires high precision, resulting in low processing efficiency and poor precision assurance in the grinding process, which has become a difficult process. There are similar products with better performance in foreign countries, such as the end grinding wheel produced by Mitsui Company of Japan and Wente Company of France, but the formula system of the wo...

Claims

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Application Information

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IPC IPC(8): B24D3/34
Inventor 郑勇阁王昆吕升东李延海
Owner 沈阳中科超硬磨具磨削研究所
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