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Fiber-reinforced resin abrasive cutting wheel and preparation method thereof

A technology of fiber-reinforced resin and cutting grinding wheels, which is applied in the field of grinding wheels, can solve the problems of excessive consumption of grinding wheels, poor self-sharpening of grinding wheels, and high temperature in the grinding area, and achieve good heat dissipation, high grinding efficiency, and low environmental pollution.

Inactive Publication Date: 2013-11-27
山东英特磨具股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the cymbal-shaped grinding wheel used for grinding soft metals such as copper and aluminum has not been able to solve the sticking problem well. The self-sharpening of the grinding wheel is poor, so it can only be used temporarily by reducing the hardness of the grinding wheel, but the reduction of the hardness of the grinding wheel will cause The grinding wheel is consumed too quickly, and there are also potential safety hazards
In addition, the contact area between the ordinary grinding wheel and the parts is large, the friction resistance is large, the temperature in the grinding area is high, and the parts are prone to thermal deformation due to excessive temperature.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: Manufacture of fiber-reinforced resin cutting wheel

[0022] The weight parts of raw materials are as follows: 40 parts of abrasive particle size 20# white corundum, 37.5 parts of 24# brown corundum, 12.5 parts of 30# zirconium corundum, 12.5 parts of green silicon carbide, 14 parts of resin liquid, 10 parts of phenolic resin powder, 2.5 parts of calcium carbonate , 5 parts of cryolite, 4.5 parts of iron sulfide, and 1.5 parts of carbon black.

[0023] Manufacturing method: Weigh the above-mentioned raw materials respectively. The resin liquid is prepared by phenolic resin liquid and epoxy resin in a mass ratio of 10:4. Pour the abrasive into the mixer, add 4 parts of the resin liquid, and stir for 7 minutes; add carbon Put black into the mixer, stir for 7 minutes; then add calcium carbonate, cryolite, iron sulfide, stir for 7 minutes, then add phenolic resin powder and stir, remove by vibrating sieve to obtain the mixture; put the reinforced mesh Put it int...

Embodiment 2

[0025] Example 2: Manufacture of fiber-reinforced resin cutting wheel

[0026] The parts by weight of raw materials are as follows: 37 parts of white corundum with abrasive particle size of 20#, 36 parts of brown corundum with abrasive particle size of 24#, 14 parts of zirconium corundum with abrasive particle size of 30#, 13 parts of green silicon carbide, 10 parts of resin liquid, phenolic resin powder 9 parts, calcium carbonate 2 parts, cryolite 4 parts, iron sulfide 4 parts, carbon black 1.5 parts.

[0027] Manufacturing method: Weigh the above-mentioned raw materials respectively. The resin liquid is prepared by phenolic resin liquid and epoxy resin in a mass ratio of 9:5. Pour the abrasive into the mixer, add 3 parts of the resin liquid, and stir for 8 minutes; add carbon Put black into the mixer, stir for 8 minutes; then add calcium carbonate, cryolite, iron sulfide, stir for 8 minutes, then add phenolic resin powder and stir, remove by vibrating sieve to obtain the mix...

Embodiment 3

[0029] Example 3: Manufacture of Fiber Reinforced Resin Cut-off Grinding Wheel

[0030] The parts by weight of raw materials are as follows: 45 parts of white corundum with abrasive particle size of 20#, 40 parts of brown corundum with abrasive particle size of 24#, 15 parts of zirconium corundum with abrasive particle size of 30#, 15 parts of green silicon carbide, 18 parts of resin liquid, phenolic resin powder 12 parts, 4 parts of calcium carbonate, 6 parts of cryolite, 5 parts of iron sulfide, 2 parts of carbon black.

[0031] Manufacturing method: with embodiment 1

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PUM

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Abstract

The invention discloses a fiber-reinforced resin abrasive cutting wheel, and relates to the technical field of abrasive wheels. Raw materials comprise 20# white fused alumina, 24# brown fused alumina, 30# fused zirconia alumina, green silicon carbide, liquid resin, phenolic resin powder, calcium carbonate, cryolite, iron sulfide and carbon black, and material mixing, adhesive coating of meshes, superposition pressing forming and drying are carried out to obtain the finished products. The fiber-reinforced resin abrasive cutting wheel has the advantages of being rapid in cutting, grinding and heat dissipation, capable of keeping the end face to be sharp all the time in the process of cutting grinding, and low in cost.

Description

technical field [0001] The invention belongs to the technical field of grinding wheels, and in particular relates to a fiber-reinforced resin cutting grinding wheel. Background technique [0002] Grinding wheel is an important cutting tool mainly made of abrasives and applied on grinding machine. Whether the selection of grinding wheel is suitable or not directly affects the grinding performance and machining accuracy of grinding machine. Therefore, grinding wheel is an important factor to exert the performance of grinding machine. When determining the specifications of the grinding wheel, the main considerations are: the material and hardness of the workpiece, the grinding amount and precision requirements, the grinding method, the speed of the grinding wheel, the grinding contact area and the intensity of the grinding method, etc. There are many types of grinding wheels, and there are various shapes and sizes. Due to the different abrasive materials, bonding materials and ...

Claims

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Application Information

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IPC IPC(8): B24D3/28B24D5/04B24D18/00
Inventor 曹现珂解文祥
Owner 山东英特磨具股份有限公司
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