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Polygonal superhard abrasive compound and method for manufacturing abrasive tool with same

A composite abrasive and polygonal technology, applied in the direction of abrasives, manufacturing tools, grinding/polishing equipment, etc., can solve the problems of affecting the grinding quality, uneven distribution of abrasive grain edges, and insufficient abrasive sharpness, etc., to achieve improved grinding Excellent cutting quality, good toughness, and improved grinding effect

Active Publication Date: 2015-03-25
FUNIK ULTRAHARD MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a polygonal superhard composite abrasive to solve the problems of insufficient sharpness of existing abrasives and uneven distribution of abrasive grain edges in space after being made into abrasive tools, which affects the grinding quality

Method used

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  • Polygonal superhard abrasive compound and method for manufacturing abrasive tool with same
  • Polygonal superhard abrasive compound and method for manufacturing abrasive tool with same
  • Polygonal superhard abrasive compound and method for manufacturing abrasive tool with same

Examples

Experimental program
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Effect test

Embodiment 1

[0052] The abrasive arrangement device of the present embodiment, such as figure 1 , 2 Shown in and 3, comprise vacuum pump 1 and the suction cup 2 of funnel shape, the small opening 5 of described suction cup 2 communicates with vacuum pump 1 through pipeline 3, the large opening end 4 of suction cup 2 is covered with porous thin layer 6, described The porous thin layer 6 is a wire mesh; the funnel-shaped sucker 2 is filled with a transition layer 7 with a porous structure, and the transition layer 7 is used to allow gas to pass through and prevent abrasives from being sucked into the vacuum pump 1; the transition layer is a sponge.

[0053] The physical figure of the abrasive arrangement device of the present embodiment is as follows: Figure 4 , 5 shown. The funnel-shaped suction cup is like a shower structure, and the porous thin layer at the large opening end has regularly arranged small holes. When in use, use the suction force generated by the vacuum pump to suck th...

Embodiment 2

[0056] The polygonal superhard composite abrasive in this example is filled with abrasive powder into the polygonal groove of the graphite mold, assembled into a composite block, placed in a six-sided roof, and synthesized under the conditions of 50,000 atmospheres and 1500°C for 10 minutes The prepared triangular abrasive.

[0057] Wherein, the abrasive powder includes the following components by mass percentage: 30% of cubic boron nitride with a particle size of 0.5-1 μm, 50% of corundum with a particle size of 10-30 μm, and 10% of aluminum nitride with a particle size of 10-30 μm. %, 10% of aluminum powder with a particle size of 1-2 μm. After the above components are uniformly mixed, the abrasive powder is obtained.

[0058] The graphite mold used is as Figure 6 As shown, its polygonal groove is triangular shape. The polygonal groove of described graphite mold adopts engraving machine (Zhengzhou Kechuang numerical control KC-6090 engraving machine, precision reaches 0....

Embodiment 3

[0064] The polygonal superhard composite abrasive in this example is filled with abrasive powder into the polygonal groove of the graphite mould, assembled into a composite block, placed in a six-sided roof, and synthesized under the conditions of 30,000 atmospheres and 1900°C for 15 minutes The prepared cuboid abrasive.

[0065] Wherein, the abrasive powder includes the following components by mass percentage: 55% of cubic boron nitride with a particle size of 1-5 μm, 25% of corundum with a particle size of 10-20 μm, and 10% of titanium nitride with a particle size of 10-20 μm. %, 10% cobalt powder with a particle size of 1-2 μm. After the above components are uniformly mixed, the abrasive powder is obtained.

[0066] The polygonal groove of the graphite mold used is cuboid. The engraving method of the graphite mold is the same as in Example 1, wherein the engraving depth is 1 mm, and the length and width are 1.2 mm.

[0067] The method of filling the abrasive powder and t...

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Abstract

The invention discloses a polygonal superhard abrasive compound and a method for manufacturing an abrasive tool with the same. The polygonal superhard abrasive compound is synthesized through high temperature and high pressure after polygonal grooves of a graphite die are filled with abrasive powder and synthesis blocks are assembled. Due to the fact that the polygonal superhard abrasive compound is the abrasive material which is regular in shape and synthesized through high temperature and high pressure after the polygonal grooves of the graphite die are filled with the abrasive powder and the synthesis blocks are assembled, the hardness is high, and the toughness is good; the size dimension is controllable, the particle size is uniform, and good grinding performance is achieved; the shape is regular, the sharpness of the abrasive material is further improved, the abrasive tool with abrasive material cutting edges evenly distributed in a space can be obtained conveniently, the grinding quality and the grinding effect of the abrasive tool can be improved, and the polygonal superhard abrasive compound and the abrasive tool are suitable for application and popularization.

Description

technical field [0001] The invention belongs to the technical field of superhard abrasives, specifically relates to a polygonal superhard composite abrasive, and also relates to a method for preparing abrasive tools by using the polygonal superhard composite abrasive. Background technique [0002] Abrasives are materials with a certain hardness and a certain grinding ability that can be used for grinding purposes. Generally, they are granular or powdery mineral materials with a certain hardness and toughness. Abrasives are divided into two categories: natural abrasives and artificial abrasives. Natural abrasives include diamond, corundum, garnet, quartz, etc., and artificial abrasives include three series: diamond, carbide, and corundum. In recent years, many natural abrasives have been replaced by artificial abrasives. Abrasives are classified according to hardness into two categories: superabrasives and ordinary abrasives, among which superabrasives are abrasives mainly c...

Claims

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Application Information

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IPC IPC(8): B24D3/14B24D3/16B24D18/00C04B35/5835C04B35/52C04B35/622C09K3/14
CPCB24D3/06B24D3/08B24D18/00C04B35/52C04B35/583C04B35/622C09K3/14
Inventor 韩倩斐李和鑫
Owner FUNIK ULTRAHARD MATERIAL
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