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Brown fused alumina smoke composite base material for grinding wheel, manufacturing method and grinding wheel

A composite matrix, brown corundum technology, applied in the field of grinding wheels, can solve the problems of low bonding strength, no self-consumption, damage to the processed workpiece, etc., and achieve the effects of high interface bonding strength, improved utilization, and enhanced bonding force.

Active Publication Date: 2015-03-25
ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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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 to provide a brown corundum soot composite matrix material for grinding wheels, which solves the problems of low bonding strength between the matrix of the existing superabrasive grinding wheel and the abrasive layer, no self-consumption effect, and easy damage to the processed workpiece.

Method used

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  • Brown fused alumina smoke composite base material for grinding wheel, manufacturing method and grinding wheel
  • Brown fused alumina smoke composite base material for grinding wheel, manufacturing method and grinding wheel
  • Brown fused alumina smoke composite base material for grinding wheel, manufacturing method and grinding wheel

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Embodiment 1

[0045] The brown corundum soot composite matrix material for the grinding wheel of this embodiment comprises the following components in mass percentage:

[0046]

[0047] Wherein, the copper powder is electrolytic copper powder with a particle size of 300 mesh and a purity of ≥95%.

[0048] The preparation method of the brown corundum soot composite matrix material for the grinding wheel of the present embodiment comprises the following steps:

[0049] 1) Take γ-(methacryloyloxy)propyltrimethoxysilane (KH570), dilute it with water according to the dilution ratio of 1:100, spray it on the surface of brown corundum dust in the form of mist, mix it evenly, and place it in 80 Dry in a blast oven at ℃ for 12 hours, and sieve to obtain mixed powder A;

[0050] 2) Take the thermosetting phenolic resin powder, copper powder and the mixed powder A obtained in step 1), put them in a mixer, mix and disperse for 2 hours until they are evenly mixed, and then get mixed powder B;

[0051...

Embodiment 2

[0058] The brown corundum soot composite matrix material for the grinding wheel of this embodiment comprises the following components in mass percentage:

[0059]

[0060] Wherein, the copper powder is electrolytic copper powder with a particle size of 300 mesh and a purity of ≥95%.

[0061] The preparation method of the brown corundum soot composite matrix material for the grinding wheel of the present embodiment comprises the following steps:

[0062] 1) Take γ-(2,3-glycidyloxypropoxy)propyltrimethoxysilane (KH560), dilute it with water according to the dilution ratio of 1:120, spray it on the surface of brown corundum dust in mist form, and mix it evenly. Dry in a blast oven at 100°C for 8 hours, and sieve to obtain mixed powder A;

[0063] 2) Take the thermosetting phenolic resin powder, copper powder and the mixed powder A obtained in step 1), put them in a mixer, mix and disperse for 2 hours until they are evenly mixed, and then get mixed powder B;

[0064] 3) Selec...

Embodiment 3

[0071] The brown corundum soot composite matrix material for the grinding wheel of this embodiment comprises the following components in mass percentage:

[0072]

[0073] The preparation method of the brown corundum soot composite matrix material for the grinding wheel of the present embodiment comprises the following steps:

[0074] 1) Take γ-aminopropyltriethoxysilane (KH550), dilute it with water according to the dilution ratio of 1:150, spray it on the surface of brown corundum dust in mist form, mix it evenly, and place it in a blast oven at 90°C Dry for 10 hours, sieve to obtain mixed powder A;

[0075] 2) Take the thermosetting phenolic resin powder, iron powder and the mixed powder A obtained in step 1) in the formula, put them in the mixer, mix and disperse for 2 hours until the mixture is uniform, and then get the mixed powder B;

[0076] 3) Select the matrix mold according to the shape and specification of the grinding wheel, put the mixed powder B obtained in ...

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Abstract

The invention discloses a brown fused alumina smoke composite base material for a grinding wheel, a manufacturing method and the grinding wheel. The brown fused alumina smoke composite base material comprises, by weight, 30% to 60% of brown fused alumina smoke, 25% to 55% of phenolic resin, 5% to 20% of metal powder and 0.2% to 2% of silane coupling agents. According to the brown fused alumina smoke composite base material, components of the base material comprise phenolic resin the same as or similar to a grinding material layer in component and smoke recycling objects generated in the brown fused alumina production process, the interfacial compatibility between the base material and the grinding material layer is good, interface bonding strength is high, and the grinding material layer is not prone to decyclizaiton or off-falling; the brown fused alumina smoke composite base material has the self-consumption function and can fall off like the grinding material layer under the grinding force action when making contact with a workpiece without damaging the workpiece, the utilization rate of the grinding wheel can be increased, and the grinding quality of the grinding wheel can be improved; the grinding wheel using phenolic resin bonding agents has the function of compression resistance, vibration reduction and improving the machining quality of the grinding wheel.

Description

technical field [0001] The invention belongs to the technical field of grinding wheels, and in particular relates to a brown corundum soot composite matrix material for grinding wheels, and also relates to a preparation method of the brown corundum soot composite matrix material for grinding wheels and a grinding wheel using the matrix material. Background technique [0002] Grinding wheel refers to a consolidated abrasive tool with a through hole in the center made of abrasives and binders. It is the most widely used abrasive tool and it rotates at high speed when used. It is suitable for processing various metals and non-metallic materials. There are many types of grinding wheels, and different grinding wheels can be used for rough grinding, semi-finishing and fine grinding, as well as cutting and grooving of the outer circle, inner circle, plane and various profiles of the workpiece. According to the different abrasives used, grinding wheels are divided into two types: o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D3/02B24D3/34B24D18/00C09K3/14
CPCB24D3/02B24D3/342B24D18/0009C09K3/14
Inventor 赵延军张高亮刘权威钱灌文
Owner ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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