Diamond grinding wheel with resin binder

A diamond grinding wheel and bonding agent technology, which is applied in the field of abrasive grinding, can solve the problems of low wear resistance and poor shape retention of resin bonded diamond grinding wheels, and achieve reduced surface roughness, good self-sharpening, and improved use performance effect

Active Publication Date: 2014-06-04
ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the technical problems of poor shape retention and low wear resistance of the resin bonded diamond grinding wheel, and provides a resin bonded diamond grinding wheel using alloy powder with good thermal conductivity and brittleness as the main filler to improve and enhance the resin bonding. The purpose of heat resistance, mechanical properties and grinding performance of agent diamond grinding wheel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Embodiment 1: A kind of resin bond diamond grinding wheel, with good thermal conductivity hard and brittle material as grinding wheel filler, described hard and brittle material with good thermal conductivity is phosphorous tungsten bronze alloy powder; grinding wheel formula is: phosphorous tungsten bronze alloy powder The volume ratio is 5% to 25%, the diamond volume ratio is 5% to 37.5%, the resin bond volume ratio is 10% to 70%, the chromium oxide volume ratio is 0 to 15%, and the zinc oxide volume ratio is 0 to 15%. .

[0008] When the volume ratio of phosphorous tungsten bronze alloy powder is 5%, the hardness of resin bonded diamond grinding wheel is low; when the volume ratio of phosphorous tungsten bronze alloy powder is 25%, the hardness of resin bonded diamond grinding wheel is relatively high. If the volume ratio of phosphorous tungsten bronze alloy powder exceeds the range of 5% to 25%, it will have an adverse effect on improving the grinding performance o...

Embodiment 2

[0011] Embodiment 2: A kind of resin bond diamond grinding wheel, phosphotungsten bronze alloy powder composition: Cu 78 sn 15 W 6 P 1 , Grinding wheel formula: the volume ratio of diamond is 25%; the volume ratio of resin is 50%; the volume ratio of phosphorous tungsten bronze alloy powder is 15%; the volume ratio of chromium oxide is 5%; the volume ratio of zinc oxide is 5%. Others are the same as embodiment 1.

Embodiment 3

[0012] Embodiment 3: A kind of resin bond diamond grinding wheel, phosphotungsten bronze alloy powder composition: Cu 78 sn 15 W 4 P 3 , Grinding wheel formula: diamond volume ratio is 25%; phenolic resin volume ratio is 50%; phosphorous tungsten bronze alloy powder volume ratio is 15%; chromium oxide volume ratio is 5%; zinc oxide volume ratio is 5%. Others are the same as embodiment 1.

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PUM

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Abstract

Disclosed is a diamond grinding wheel with resin binder. High-thermal-conductivity rigid and crispy material which is phosphotungstic bronze alloy powder is used as filler for the grinding wheel. According to a formula of the grinding wheel, volume ratio of the phosphotungstic bronze alloy powder is 5%-25%, volume ratio of diamond is 5%-37.5%, volume ratio of resin binder is 10%-70%, volume ratio of chromic oxide is 0-15%, and volume ratio of zinc oxide is 0-15%. Without changing the prior art, the phosphotungstic bronze alloy powder is used as the filler for improving service performance of the diamond grinding wheel with resin binder. The diamond grinding wheel is fine in self-sharpening and high in sharpening degree, and abrasive ratio is increased greatly. Coarseness of the surface of a grinding piece is reduced, which corresponds with the trend that modern machining industry increasingly requires high precision.

Description

technical field [0001] The invention belongs to the technical field of grinding tools and abrasives, in particular to a resin bonded diamond grinding wheel. Background technique [0002] Resin bonded diamond grinding wheel is an indispensable tool for high efficiency, energy saving, high precision and automatic grinding. Although it has the advantages of good self-sharpening and sharp grinding, it also has shortcomings due to the structure of the resin itself. One is its low heat resistance. During the grinding process, due to the instantaneous grinding high temperature or the accumulated high temperature, the resin is easy to carbonize and decompose, and it is difficult to hold the superhard abrasive, resulting in a large amount of abrasive falling off or cracking and de-ringing of the working layer of the grinding wheel. Greatly reduce the service life of the grinding wheel and the surface accuracy of the grinding wheel; the second is that the mechanical properti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D3/32
Inventor 陈锋吴磊涛
Owner ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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