Metal-bonded diamond grinding wheel

A diamond grinding wheel and metal bond technology, applied in the field of abrasive grinding, can solve the problems of low efficiency, unsatisfactory continuous processing, poor self-sharpening, etc., and achieve long service life, good mechanical properties and self-sharpening , the effect of high holding force

Inactive Publication Date: 2015-10-21
蓬莱市超硬复合材料有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

Metal-bonded diamond grinding wheels currently have a variety of formulations. The grinding wheels made of many formulations achieve high strength, maintain the geometry of t

Method used

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Example Embodiment

[0020] The present invention will be further described below in conjunction with embodiments, but the present invention is not limited to the following embodiments.

[0021] A metal bond diamond grinding wheel made of the following raw materials in weight percentage:

[0022] Diamond powder 55%

[0023] Sn powder 7.5%

[0024] Cu powder 14%

[0025] Al powder 17.5%

[0026] Mg powder 5.98%

[0027] Ce powder 0.02%

[0028] The above-mentioned diamond powder has a particle size of 20 μm;

[0029] The particle diameters of the aforementioned Sn powder, Cu powder, Al powder, Mg powder, and Ce powder are all 60 μm.

[0030] The preparation method of the metal bond diamond grinding wheel is as follows:

[0031] (1) Mixing: According to the formula, take diamond powder, Sn powder, Cu powder, Al powder, Mg powder, Ce powder into the mixer, add 1% acrylic emulsion of the total weight of the raw materials in the mixer and mix for 22 hours to obtain a mixture material;

[0032] (2) Forming: Put the mix...

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Abstract

The invention belongs to the grinding apparatus abrasive grinding technical field and relates to a metal-bonded diamond grinding wheel. The metal-bonded diamond grinding wheel is made of the following raw materials in percentage by weight: 50 to 60% of diamond powder; 4 to 11% of Sn powder; 11 to 18% of Cu powder; 13 to 25% of Al powder; 5 to 20% of Mg powder; and 0.01 to 1% of Ce powder. The Sn powder has low melting point and can reduce the sintering temperature and time of the matrix of the grinding wheel; the Cu powder is additionally adopted, so that the grinding wheel can have favorable heat dissipation performance as well as improved strength and stiffness; the Al powder is additionally adopted, and therefore, the heat-resisting performance and the heat dissipation performance of the matrix of the grinding wheel can be improved, and high easiness in grinding of the grinding wheel can be ensured, and burning and scratch caused by the contact of the matrix and a workpiece in high-speed grinding of the grinding wheel can be avoided; the Mg powder is additionally adopted, and therefore, the heat-resisting performance and the heat dissipation performance of the matrix of the grinding wheel can be improved, and at the same time, the effects of the Al powder can enhanced; and the Ce powder is additionally adopted, and therefore, the mechanical property of the body of the grinding wheel can be effectively improved, and the adhesive strength of the materials of the body to diamond can be improved.

Description

technical field [0001] The invention relates to the technical field of abrasive grinding, in particular to a metal-bonded diamond grinding wheel. Background technique [0002] At present, most of the artificially synthesized diamonds are in the form of powder or fine particles. In order to use diamonds for high-precision and high-efficiency grinding, a binder is usually used to bond the diamond abrasive grains and make them with Abrasives with a certain strength and shape are easy to install on various grinding machines for grinding. Compared with other abrasives such as corundum and silicon carbide, when grinding with diamond grinding wheels, it has the following advantages: high grinding efficiency; high wear resistance, less consumption of abrasive grains, and high service life, especially for grinding It is most obvious when the workpiece is hard and brittle; the abrasive grain has high hardness and wear resistance, and the abrasive grain can keep sharp for a long time...

Claims

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Application Information

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IPC IPC(8): B24D3/10B24D3/34B24D18/00B22F3/16C22C26/00
CPCB24D3/10B22F3/03B22F3/10B24D3/342B24D18/0009C22C26/00
Inventor 孙浩斌孙积海张华
Owner 蓬莱市超硬复合材料有限公司
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