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Chemical nickel-plating diamond abrasive resin grinding wheel and preparation method thereof

An electroless nickel plating and resin grinding wheel technology, applied in the field of grinding wheels, can solve the problems of high brittleness of pure phenolic resin, affecting the performance of friction materials, insufficient heat resistance, etc., and achieve the effects of less volatile substances, reducing porosity and improving sharpness.

Inactive Publication Date: 2016-01-13
WUHU HONGKUN AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, pure phenolic resin has defects such as high brittleness, poor toughness, high hardness, insufficient heat resistance, low strength, and high noise during use, which greatly affect the performance of friction materials. Therefore, modifying phenolic resin is to improve its comprehensive performance. effective method

Method used

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Embodiment Construction

[0023] A kind of electroless nickel-plated diamond abrasive resin emery wheel, it is made up of the raw material of following weight part:

[0024] CBN abrasive 570, phenol 90, 35% formaldehyde solution 96, boric acid 5, hexamethylenetetramine 2, aniline 13, diamond powder with a particle size of 30 μm 60, 2,2 dimethylol propionic acid 0.7, ammonium metaborate 2. Stannous chloride 0.08, palladium chloride 0.05.

[0025] A kind of preparation method of described electroless nickel-plated diamond abrasive resin grinding wheel, comprises the following steps:

[0026] (1) Add the above-mentioned diamond powder with a particle size of 30 μm into 10mol / l sodium hydroxide solution and soak for 1 hour, filter the material and then add it to 3mol / l nitric acid solution, heat to boiling, and keep boiling for 30 minutes , filtered and washed to neutral, dried;

[0027] (2) Add the above stannous chloride to 1000 times 6mol / l hydrochloric acid solution, stir to dissolve, add dried diamo...

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Abstract

The invention discloses a chemical nickel-plating diamond abrasive resin grinding wheel. The chemical nickel-plating diamond abrasive resin grinding wheel is composed of the following raw materials in parts by weight: 570-600 parts of CBN grinding material, 90-100 parts of phenol, 96-110 parts of 35-40% formaldehyde solution, 5-7 parts of boric acid, 2-6 parts of hexamethylenetetramine, 13-20 parts of aniline, 60-70 parts of diamond powder with particle sizes of 30-40[mu]m, 0.7-1 parts of dimethylolpropionic acid, 2-3 parts of ammonium metaborate, 0.08-0.1 parts of stannous chloride, and 0.05-0.1 parts of palladium chloride. According to the chemical nickel-plating diamond abrasive resin grinding wheel disclosed by the invention, the surface of the diamond powder is plated by means of chemical nickel-plating, so that the sharpness of abrasive particles can be improved, the strength can be enhanced, and an effect of avoiding burning for workpieces is acted.

Description

technical field [0001] The invention relates to the technical field of grinding wheels, in particular to an electroless nickel-plated diamond abrasive resin grinding wheel and a preparation method thereof. Background technique [0002] With the continuous improvement of the speed of automobiles and airplanes, the requirements for friction materials such as transmission and braking are more stringent, and the matrix, as an important part of friction materials, has always been the focus of development and research. Phenolic resin, epoxy resin, styrene-butadiene rubber and polytetrafluoroethylene can be used as the matrix of friction materials, but epoxy resin, styrene-butadiene rubber and polytetrafluoroethylene have poor wear resistance, heat resistance and Adhesive properties limit its application in friction materials. The advantages of phenolic resin in heat resistance, bonding performance, mechanical properties, molding performance and cost make it the most commonly used...

Claims

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Application Information

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IPC IPC(8): B24D3/02B24D3/34B24D18/00C08G8/28
Inventor 黄浩
Owner WUHU HONGKUN AUTO PARTS
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