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Preparation method of anti-damping resin grinding wheel

A resin grinding wheel and anti-attenuation technology, which is applied in the direction of manufacturing tools, metal processing equipment, grinding/polishing equipment, etc., can solve the problems of decreased cohesive strength, reduced interface adhesion performance, and attenuation of grinding wheel performance, so as to slow down the performance attenuation , Improve the bonding strength and promote the effect of interface fusion

Inactive Publication Date: 2017-12-29
珠海泰达砂轮有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the binder in the resin grinding wheel is an organic polymer material, and its products are susceptible to aging due to the influence of the environment during long-term storage, and the cohesive strength decreases, causing the performance of the grinding wheel to attenuate. At the same time, the resin binder in the grinding wheel There is an organic-inorganic bonding interface with the abrasive, and the cleanliness, moisture content and particle shape of the abrasive surface will reduce the interface bonding performance, and its performance attenuation will be reduced by more than 20%.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A preparation method for an anti-attenuation resin grinding wheel, comprising the following steps:

[0021] S1), take 0.5 parts by mass of silane coupling agent, 8 parts by mass of phenolic resin solution with a viscosity of 800mpa.s and add them to the mixing pot A, and stir and mix evenly for later use, then add 60 parts by mass of coating with a particle size of 46# White corundum, 40 parts by mass of coated white corundum with a particle size of 54#, after stirring and mixing for 5 minutes, add 0.5 parts by mass of carbon black, and stir and mix for 16 minutes;

[0022] S2), 8 parts by mass of potassium fluoroaluminate with a fineness of 200 mesh, 3 parts by mass of calcium sulfate whiskers, and 18 parts by mass of modified phenolic resin powder with a fineness of 200 mesh were added to the mixing pot B and mixed evenly;

[0023] S3), adding the mixture in step S1) mixing pot A to step S2) mixing pot B, and stirring and mixing evenly;

[0024] S4), pour the mixed m...

Embodiment 2

[0030] A preparation method for an anti-attenuation resin grinding wheel, comprising the following steps:

[0031] S1), take 0.7 parts by mass of silane coupling agent and 10 parts by mass of phenolic resin solution with a viscosity of 1000mpa.s and add them to the mixing pot A, stir and mix evenly for later use, then add 70 parts by mass of the coating with a particle size of 46# White corundum, 30 parts by mass of coated white corundum with a particle size of 54#, after stirring and mixing for 5 minutes, add 0.8 parts by mass of carbon black, and stir and mix for 18 minutes;

[0032] S2), 10 parts by mass of potassium fluoroaluminate with a fineness of 200 mesh, 4 parts by mass of calcium sulfate whiskers, and 20 parts by mass of modified phenolic resin powder with a fineness of 200 mesh were added to the mixing pot B and mixed evenly;

[0033] S3), adding the mixture in step S1) mixing pot A to step S2) mixing pot B, and stirring and mixing evenly;

[0034] S4), pour the m...

Embodiment 3

[0040] A preparation method for an anti-attenuation resin grinding wheel, comprising the following steps:

[0041] S1), take 1 mass part of silane coupling agent, 12 mass parts of phenolic resin solution with a viscosity of 1200mpa.s and add them to the mixing pot A, and stir and mix evenly for later use, then add 50 mass parts of coating with a particle size of 46# White corundum, 20 parts by mass of coated white corundum with a particle size of 54#, after stirring and mixing for 5 minutes, add 1 part by mass of carbon black, and stir and mix for 18 minutes;

[0042] S2), 12 parts by mass of potassium fluoroaluminate with a fineness of 200 mesh, 5 parts by mass of calcium sulfate whiskers, and 23 parts by mass of modified phenolic resin powder with a fineness of 200 mesh were added to the mixing pot B and mixed evenly;

[0043] S3), adding the mixture in step S1) mixing pot A to step S2) mixing pot B, and stirring and mixing evenly;

[0044] S4), pour the mixed material in s...

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Abstract

The invention provides a preparation method of an anti-damping resin grinding wheel. The preparation method of the anti-damping resin grinding wheel comprises 0.5-1.0 mass part of silane coupling agent, 8-12 mass parts of phenolic resin liquid, 50-80 mass parts of 46# plated white corundum, 20-40 mass parts of 54# plated white corundum, 0.5-1.0 mass part of carbon black, 8-12 mass parts of potassium fluoroaluminate, 3-5 mass parts of calcium sulfate whiskers, and 18-23 mass parts of modified phenolic resin powder. Plated white corundum abrasives are adopted; high-temperature coating layers are arranged on the surfaces of the abrasives; the coating layers facilitate improvement of the resin and abrasive interface bonding strength; silane coupling agent molecules contain reaction radicals chemically bonded with inorganic matter materials, and reaction radicals chemically bonded with organic matter materials; inorganic and organic interfaces are bonded to promote the interface fusion to improve the performances; secondly, the modified phenolic resins adopted in the method contain no radicals easy to oxidize in molecular structures compared with general phenolic resins; and the free phenol content in the method is low, so that the performance degradation of hardened resins can be effectively relieved.

Description

technical field [0001] The invention relates to the technical field of grinding tools, in particular to a method for preparing an anti-attenuation resin grinding wheel. Background technique [0002] Grinding wheel is the main tool for grinding, which is a porous object composed of abrasive and bonding agent. Abrasives, binders, and pores are the three basic components of grinding wheels. With different abrasives, binders, and grinding wheel manufacturing processes, the characteristics of grinding wheels may vary greatly, which affects the accuracy, roughness, and production efficiency of grinding. It has an important influence, therefore, the appropriate grinding wheel must be selected according to the specific conditions. [0003] Resin grinding wheel is a grinding wheel whose binder is resin. It has the advantages of small grinding force, low grinding temperature, good self-sharpening, and high grinding efficiency. It is widely used in the grinding of hard and brittle mat...

Claims

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Application Information

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IPC IPC(8): B24D18/00B24D3/28B24D3/34
CPCB24D3/285B24D3/34B24D3/344B24D18/0009
Inventor 尹增虎于泓郑国铎
Owner 珠海泰达砂轮有限公司
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