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Manufacturing process of composite ultra-hard grinding wheel

A composite material and grinding wheel technology, used in abrasives, grinding devices, manufacturing tools, etc., can solve the problems of high temperature resistance, low hardness and heat dissipation, surface deformation and cracks, and reduced safety performance, so as to improve hardness and wear resistance. Equal performance, improve strength, avoid thermal deformation effect

Inactive Publication Date: 2020-08-28
郑州博尔德磨料磨具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is: in order to solve the existing shortcomings of the existing grinding wheel and abrasive production process, high temperature resistance, hardness and heat dissipation performance are low, and its surface is prone to various deformations and cracks due to the influence of temperature, not only the service life is low, In severe cases, bursting will occur, which reduces the problem of safety performance during use, and a production process of a composite material superhard grinding wheel abrasive is proposed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The invention provides a manufacturing process of a composite material superhard grinding wheel, which is characterized in that it is prepared from the following raw materials in parts by weight: 15 parts of black silicon carbide, 30 parts of aluminum oxide, pyrite slag 1 part, 4 parts of zirconium nitride, 2 parts of limestone, 3 parts of iron boride, 1 part of alumina hollow ball, 30 parts of brown corundum, 1 part of feldspar, 1 part of coupling agent, 15 parts of phenolic resin, epoxy resin 7 copies;

[0046] The preparation method is as follows: step S1: prepare the mixed material, after weighing the raw material components in parts by weight, first mix black silicon carbide, aluminum oxide, pyrite slag, zirconium nitride, iron boride, oxide Pour aluminum hollow balls, brown corundum and feldspar into the mixer, stir and mix evenly, then add limestone to the mixer, add coupling agent, phenolic resin and epoxy resin after stirring evenly, get the mix;

[0047] Ste...

Embodiment 2

[0052] The invention provides a manufacturing process of a composite material superhard grinding wheel, which is characterized in that it is prepared according to the following raw materials in parts by weight: 22.5 parts of black silicon carbide, 45 parts of aluminum oxide, and pyrite slag 3 parts, 8 parts of zirconium nitride, 4 parts of limestone, 4 parts of iron boride, 2 parts of alumina hollow ball, 40 parts of brown corundum, 2 parts of feldspar, 1.5 parts of coupling agent, 20 parts of phenolic resin, epoxy resin 13.5 copies;

[0053] The preparation method is as follows: step S1: prepare the mixed material, after weighing the raw material components in parts by weight, first mix black silicon carbide, aluminum oxide, pyrite slag, zirconium nitride, iron boride, oxide Pour aluminum hollow balls, brown corundum and feldspar into the mixer, stir and mix evenly, then add limestone to the mixer, add coupling agent, phenolic resin and epoxy resin after stirring evenly, get...

Embodiment 3

[0059] The invention provides a manufacturing process of a composite material superhard grinding wheel, which is characterized in that it is prepared from the following raw materials in parts by weight: 30 parts of black silicon carbide, 60 parts of aluminum oxide, pyrite slag 5 parts, 16 parts of zirconium nitride, 6 parts of limestone, 5 parts of iron boride, 3 parts of alumina hollow ball, 50 parts of brown corundum, 3 parts of feldspar, 2 parts of coupling agent, 25 parts of phenolic resin, epoxy resin 14 copies;

[0060] The preparation method is as follows: step S1: prepare the mixed material, after weighing the raw material components in parts by weight, first mix black silicon carbide, aluminum oxide, pyrite slag, zirconium nitride, iron boride, oxide Pour aluminum hollow balls, brown corundum and feldspar into the mixer, stir and mix evenly, then add limestone to the mixer, add coupling agent, phenolic resin and epoxy resin after stirring evenly, get the mix;

[006...

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Abstract

The invention discloses a manufacturing process of a composite ultra-hard grinding wheel, and belongs to the technical field of grinding wheel manufacturing. The grinding wheel is prepared from the following raw materials in parts by weight of 15-30 parts of black silicon carbide, 30-60 parts of aluminum oxide, 1-5 parts of pyrite baking slag, 4-16 parts of zirconium nitride, 2-6 parts of limestone, 3-5 parts of iron boride, 1-3 parts of alumina hollow spheres, 30-50 parts of brown fused alumina, 1-3 parts of feldspar, 1-2 parts of coupling agents, 15-25 parts of phenolic resin and 7-14 partsof epoxy resin. According to the manufacturing process, the pyrite drying slag and the alumina hollow spheres are designed, a certain amount of pyrite drying slag and aluminum oxide hollow spheres areadded into a mixture, the main components of the pyrite drying slag are sulfuric acid slag and iron oxide baking slag, due to combined action of the mixed sulfuric acid slag and the aluminum oxide hollow spheres, when the grinding wheel is rubbed with a workpiece to be processed at a high speed, heat dissipation is fast, the durability of the grinding wheel is greatly improved, the service life of the grinding wheel is prolonged, and the mixed iron oxide baking slag can remarkably increase the strength of the grinding wheel.

Description

technical field [0001] The invention belongs to the technical field of grinding wheel and abrasive tool production, and in particular relates to a manufacturing process of composite material superhard grinding wheel and abrasive tool. Background technique [0002] Grinding wheel, also known as bonded abrasive, is a bonded abrasive with a certain strength that consolidates ordinary abrasives into a certain shape (mostly round, with a through hole in the center) by a bond. It is generally composed of abrasives, binders and pores. These three parts are often called the three elements of bonded abrasives. According to different classifications of bonds, the common ones are ceramic (bond) grinding wheels, resin (bond) grinding wheels, and rubber (bond) grinding wheels. Grinding wheel is the most widely used type of grinding tool. It rotates at high speed when used, and can be used for rough grinding, semi-finishing and Fine grinding as well as grooving and parting off etc. [...

Claims

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Application Information

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IPC IPC(8): B24D18/00B24D3/28B24D3/34
CPCB24D3/28B24D3/285B24D3/34B24D3/344B24D3/346B24D18/0009
Inventor 刘洪娟赵福领胡银峰杨四才
Owner 郑州博尔德磨料磨具有限公司
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