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Ceramic bond for high-speed grinding wheel and preparation method thereof

A vitrified bond and grinding wheel technology, which is applied in the direction of manufacturing tools, metal processing equipment, abrasives, etc., to achieve the effects of improving strength and service life, high industrial application value, and improving grinding efficiency

Inactive Publication Date: 2018-06-05
房世俊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the advancement of science and technology, the vitrified bond in the prior art can no longer meet the needs of industrial applications. Therefore, it is necessary to provide a vitrified bond with a low melting point and high strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] A vitrified bond for high-speed grinding wheels, consisting of the following weight fractions: 4 parts of titanium dioxide, 0.02 parts of barium carbonate, 0.02 parts of aluminum sulfate, SiO 2 1 part, 0.03 part of kaolin, 1 part of diatom mud, 0.1 part of cubic boron nitride, MnO 2 0.1 part.

[0011] Fully mix the above materials in a high-energy ball mill, fully mix all raw materials in a ball mill, add water, ball mill for 5 hours, then stand for 2 hours, pour out the water, dry at 850°C, ball mill and sieve to prepare A vitrified bond is obtained.

Embodiment 2

[0013] A vitrified bond for high-speed grinding wheels, consisting of the following substances in weight fractions: 4-8 parts of titanium dioxide, 0.05 parts of barium carbonate, 0.08 parts of aluminum sulfate, SiO 2 2 parts, 0.1 parts of kaolin, 2 parts of diatom mud, 0.2 parts of cubic boron nitride, MnO 2 0.3 parts.

[0014] Fully mix all raw materials in a ball mill, add water, ball mill for 8 hours, then stand for 2 hours, pour out the water, dry at 850°C, ball mill and sieve to prepare vitrified bond.

Embodiment 3

[0016] A vitrified bond for high-speed grinding wheels, consisting of the following substances in weight fractions: 4-8 parts of titanium dioxide, 0.03 parts of barium carbonate, 0.06 parts of aluminum sulfate, SiO 2 1.5 parts, 0.08 parts of kaolin, 1.5 parts of diatom mud, 0.15 parts of cubic boron nitride, MnO 2 0.2 parts.

[0017] Fully mix all raw materials in a ball mill, add water, ball mill for 10 hours, then stand for 1 hour, pour out the water, dry at 100°C, ball mill and sieve to prepare vitrified bond.

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PUM

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Abstract

The invention discloses a ceramic bond for a high-speed grinding wheel and a preparation method thereof. The ceramic bond is composed of, by weight, 4-8 parts of titanium dioxide, 0.02-0.05 part of barium carbonate, 0.02-0.08 part of aluminum sulfate, 1-2 parts of SiO2, 0.03-0.1 part of kaoline, 1-2 parts of diatom ooze, 0.1-0.2 part of cubic boron nitride and 0.1-0.3 part of MnO2. All the raw materials are sufficiently mixed in a ball mill, then water is added, ball milling is conducted for 6-8 h, afterwards, standing is conducted for 3-4 h, water is poured out, drying is conducted under thecondition of 95-105 DEG C, and the ceramic bond is obtained through ball milling and screening. The prepared ceramic bond can remarkably improve the strength of the ceramic grinding wheel, remarkablyprolong the service life of the ceramic grinding wheel and improve the grinding efficiency of the ceramic grinding wheel.

Description

technical field [0001] The invention belongs to the technical field of vitrified bonds, and in particular relates to a vitrified bond used for high-speed grinding wheels and a preparation method thereof. Background technique [0002] Because the vitrified bond has the advantages of good thermal stability, high rigidity, and controllable porosity, the vitrified cubic boron nitride abrasive tool has the advantages of high strength, good self-sharpening, and easy dressing. Structural elements such as abrasive grains, bonds and pores jointly determine the performance of abradable tools. The lightness of the vitrified bond grinding wheel mainly depends on the strength of the vitrified bond itself and the bonding strength between the bond and the abrasive particles. The composition of the bond is an important factor affecting the strength of the vitrified bond and the bonding strength of the interface between the bond and the abrasive particles. With the advancement of science a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D3/14
CPCB24D3/14
Inventor 房勇
Owner 房世俊