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A high-temperature-resistant high-strength resin grinding wheel and its preparation process

A resin grinding wheel and technology for preparation process, applied in the field of grinding wheels, can solve the problems of low degree of automation, high temperature resistance, poor self-strength, low efficiency, etc., and achieve the effect of improving work efficiency

Active Publication Date: 2022-03-29
武义县泓盛磨具有限公司
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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 solve the problems of high temperature resistance and poor self-strength of the grinding wheel in the prior art; at the same time, in the production process, the degree of automation of the grinding wheel production is relatively low, and the process of feeding the mold and forming the grinding wheel There is a problem of relatively low efficiency in the process, and a high-temperature resistant high-strength resin grinding wheel and its preparation process are proposed

Method used

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  • A high-temperature-resistant high-strength resin grinding wheel and its preparation process
  • A high-temperature-resistant high-strength resin grinding wheel and its preparation process
  • A high-temperature-resistant high-strength resin grinding wheel and its preparation process

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Embodiment 1

[0043] A high-temperature resistant high-strength resin grinding wheel, comprising the following raw materials in parts by weight: 85 parts of abrasive, 17 parts of carbon fiber modified phenolic resin, 6 parts of cryolite, 8 parts of pyrite, 3 parts of titanium dioxide, 3 parts of floating beads, alkaline earth oxidation 6 parts of substance, 1 part of wetting agent;

[0044] Among them, the abrasive includes 40 parts of brown corundum, 32 parts of white corundum, and 13 parts of green silicon carbide;

[0045] The preparation of carbon fiber modified phenolic resin comprises the following steps:

[0046] Add 20 parts of p-tert-butylphenol formaldehyde resin into the reaction kettle, then add 100 parts of methanol, raise the temperature to 120°C, stir for 1 hour, then add 4 parts of iron nitrate and 2 parts of nickel nitrate in turn, stir for 20 minutes, then add 5 parts of carbon fiber , and stirred for 1 h to obtain a mixed material, which was placed in a muffle furnace, a...

Embodiment 2

[0048] A high-temperature resistant high-strength resin grinding wheel, comprising the following raw materials in parts by weight: 125 parts of abrasive, 25 parts of carbon fiber modified phenolic resin, 8 parts of cryolite, 12 parts of pyrite, 5 parts of titanium dioxide, 5 parts of floating beads, alkaline earth oxidation 10 parts, wetting agent 3 parts;

[0049] Among them, the abrasive includes 60 parts of brown corundum, 51 parts of white corundum, and 16 parts of green silicon carbide;

[0050] The preparation of carbon fiber modified phenolic resin comprises the following steps:

[0051] Add 30 parts of p-tert-butylphenol formaldehyde resin into the reaction kettle, then add 200 parts of methanol, raise the temperature to 130°C, stir for 2 hours, then add 6 parts of iron nitrate and 4 parts of nickel nitrate in sequence, stir for 30 minutes, and then add 8 parts of carbon fiber , stirred for 2 hours to obtain a mixed material, and the obtained mixed material was placed...

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Abstract

The invention discloses a high-temperature-resistant high-strength resin grinding wheel, which comprises the following raw materials in parts by weight: abrasive, carbon fiber modified phenolic resin, cryolite, pyrite, titanium dioxide, floating beads, alkaline earth oxide, and wetting agent; Add tert-butylphenol formaldehyde resin into the reaction kettle, then add methanol, heat up to 120-130°C, stir for 1-2h, then add iron nitrate and nickel nitrate in turn, stir for 20-30min, then add carbon fiber, stir for 1-2h, The mixed material is obtained, and the obtained mixed material is placed in a muffle furnace, under the condition of nitrogen protection, at 800-1000°C, calcined for 3-4h, and then naturally cooled to room temperature to obtain a carbon fiber modified phenolic resin; the present invention The grinding wheel has the properties of high temperature resistance and high strength. At the same time, the preparation process is highly automated and the production efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of grinding wheels, and relates to a resin grinding wheel and a preparation process thereof, in particular to a high-temperature resistant high-strength resin grinding wheel and a preparation process thereof. Background technique [0002] Grinding wheel is a common mechanical processing mold, which can rough and semi-finish the outer circle, inner circle, plane and various profiles of metal or non-metal parts when rotating at high speed. [0003] The comparative document CN110977793A discloses a resin grinding wheel and its preparation method, which belongs to the technical field of resin grinding wheel production. The raw materials of the resin grinding wheel include abrasive, phenolic resin liquid, phenolic resin powder, cryolite, pyrite, titanium dioxide, floating beads, alkaline earth oxides, wetting agents. The resin grinding wheel, through the synergistic effect between the raw materials, makes the re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D3/34B24D18/00
CPCB24D3/346B24D18/0009
Inventor 汪昭
Owner 武义县泓盛磨具有限公司