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Modified resin grinding wheel and manufacturing method thereof

A technology of modifying resin and grinding wheel, used in bonding grinding wheels, manufacturing tools, metal processing equipment, etc., can solve the problems of short polishing cycle, large wear and tear, high density, etc., to improve polishing and grinding performance and reduce surface energy. , the effect of improving dispersion

Inactive Publication Date: 2018-04-24
NINGBO DAHUA GRINDING WHEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The density of the existing resin grinding wheel is too high, which leads to poor thermal conductivity during the grinding process, resulting in waste of energy and high cost. Among them, the polyvinyl acetal resin grinding wheel has spongy micropores, which are not easy to block the micropores during grinding However, the polishing cycle is short, the strength is low, the abrasive wear is large, and it is toxic, so it is necessary to improve it.

Method used

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  • Modified resin grinding wheel and manufacturing method thereof

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Effect test

Embodiment 1

[0020] Example 1, see figure 1 Shown: a modified resin grinding wheel, including a grinding body and a reinforcing sheet placed inside the grinding body to enhance the rotational strength of the grinding body, characterized in that: the raw material of the grinding body and its The weight ratio is: 60 parts of abrasive, 11 parts of bisphenol A epoxy resin, 2 parts of coupling agent, 2 parts of toluene, 11 parts of toluene solution, 7 parts of foaming agent, and 7 parts of auxiliary agent. During preparation, weigh the abrasive, place the abrasive in hydrochloric acid solution and stir for 10 minutes, then repeatedly wash with deionized water until neutral, then take out the abrasive and dry it; then weigh the coupling agent and toluene; , toluene, and the abrasive after pickling are put into the container, and the temperature is 85 ℃ for the reaction in a water bath, and the solution after the reaction is suction filtered and dried; then the bisphenol A epoxy resin and formald...

Embodiment 2

[0021] Embodiment 2, the embodiment of embodiment 2 is roughly the same as embodiment 1, and its difference is: the raw material of described grinding body and weight ratio thereof are: abrasive material 52 parts, bisphenol A epoxy resin 9, even 1 part of joint agent, 1 part of toluene, 9 parts of toluene solution, 6 parts of foaming agent, 6 parts of auxiliary agent. It can also achieve the effect of Embodiment 1.

Embodiment 3

[0022] Embodiment 3, the embodiment of embodiment 3 is roughly the same as embodiment 1, and its difference is: the raw material of described grinding body and weight ratio thereof are: abrasive material 68 parts, bisphenol A epoxy resin 12, even 3 parts of joint agent, 3 parts of toluene, 12 parts of toluene solution, 9 parts of foaming agent, 8 parts of auxiliary agent. It can also achieve the effect of Embodiment 1.

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Abstract

The invention discloses a modified resin grinding wheel which comprises a grinding body and a reinforcing plate arranged inside the grinding body for strengthening rotating strength of the grinding body. The modified resin grinding wheel is characterized in that the grinding body is prepared from the following raw materials in parts by weight: 52-68 parts of abrasive materials, 9-12 parts of bisphenol A epoxy resin, 1-3 parts of a coupling agent, 1-3 parts of methylbenzene, 9-12 parts of a toluene solution, 6-9 parts of a foaming agent and 6-8 parts of auxiliaries. The modified resin grindingwheel has the characteristics of being good in polishing and grinding performance, high in grinding ratio, low in grinding wheel wear rate, non-toxic, light and low in cost.

Description

technical field [0001] The invention belongs to the technical field of grinding tools, and in particular relates to a modified resin grinding wheel and a preparation method thereof. Background technique [0002] The density of the existing resin grinding wheel is too high, which leads to poor thermal conductivity during the grinding process, resulting in waste of energy and high cost. Among them, the polyvinyl acetal resin grinding wheel has spongy micropores, which are not easy to block the micropores during grinding However, the polishing cycle is short, the strength is low, the abrasive wear is large, and it is toxic, so it is necessary to improve it. Contents of the invention [0003] The purpose of the present invention is to provide a modified resin grinding wheel and a preparation method thereof for the above-mentioned deficiencies in the prior art. The characteristics of low cost. [0004] In order to achieve the above object, the technical solution adopted in th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D3/34B24D5/00B24D7/00B24D18/00
CPCB24D3/344B24D5/00B24D7/00B24D18/009
Inventor 李保国
Owner NINGBO DAHUA GRINDING WHEEL
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