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Resin rough grinding wheel and preparation method thereof

A grinding wheel and coarse grinding technology, which is applied in the direction of grinding/polishing equipment, abrasive materials, grinding devices, etc., can solve the problem of poor air permeability, toughness, and low safety, and the wear resistance, strength, and self-sharpening of resin grinding wheels are not ideal. and other problems, to achieve the effect of not easy to burn the workpiece, high grinding efficiency of the grinding wheel, and good air permeability

Active Publication Date: 2013-12-25
NINGBO DAHUA GRINDING WHEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The resin grinding wheel prepared by the method is used in the rough grinding field. Although the bonding performance is good, the abrasive is not easy to fall off, the heat resistance of the resin grinding wheel is better, and the cracks formed by rigid grinding are reduced, but the resin grinding wheel has wear resistance, strength, Self-sharpening is not ideal, and air permeability, toughness and safety are not high

Method used

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  • Resin rough grinding wheel and preparation method thereof
  • Resin rough grinding wheel and preparation method thereof
  • Resin rough grinding wheel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Such as figure 1 As shown, first weigh 30 parts of microcrystalline corundum, 80 parts of zirconium corundum, 5 parts of garnet, 5 parts of phenolic resin solution, 25 parts of phenolic resin powder, 9 parts of pyrite, 1 part of cryolite, and 1 part of iron oxide. 1 part of quicklime, 3 parts of fluorite, 0.5 part of naphthalene grains. Then, put the abrasives such as microcrystalline corundum, zirconium corundum and garnet into the phenolic resin solution for soaking, and stir sufficiently to make the particle surface of the abrasive fully adhere to the phenolic resin solution. After sufficient infiltration, mix phenolic resin powder, quicklime powder, pyrite powder, iron oxide powder, cryolite, fluorite, naphthalene particles, plastic particles, hollow alumina and abrasives, and continue to stir until the various raw materials are fully mixed and uniform .

[0052] The mixed raw material granules are screened once through a 12-36 mesh sieve, and the granules that pa...

Embodiment 2

[0055] Such as figure 1 As shown, first weigh 35 parts of microcrystalline corundum, 90 parts of zirconium corundum, 8 parts of garnet, 10 parts of phenolic resin solution, 30 parts of phenolic resin powder, 15 parts of pyrite, 2 parts of cryolite, and 2 parts of iron oxide. 2 parts of quicklime, 4 parts of fluorite, and 1 part of plastic particles. Then, put the abrasives such as microcrystalline corundum, zirconium corundum and garnet into the phenolic resin solution for soaking, and stir sufficiently to make the particle surface of the abrasive fully adhere to the phenolic resin solution. After sufficient infiltration, mix phenolic resin powder, quicklime powder, pyrite powder, iron oxide powder, cryolite, fluorite, naphthalene particles, plastic particles, hollow alumina and abrasives, and continue to stir until the various raw materials are fully mixed and uniform .

[0056] The mixed raw material granules are screened once through a 12-36 mesh sieve, and the granules t...

Embodiment 3

[0059] Such as figure 1 As shown, first weigh 40 parts of microcrystalline corundum, 100 parts of zirconium corundum, 10 parts of garnet, 15 parts of phenolic resin solution, 45 parts of phenolic resin powder, 21 parts of pyrite, 3 parts of cryolite, and 3 parts of iron oxide. 3 parts of quicklime, 5 parts of fluorite, and 2 parts of hollow alumina. Then, put the abrasives such as microcrystalline corundum, zirconium corundum and garnet into the phenolic resin solution for soaking, and stir sufficiently to make the particle surface of the abrasive fully adhere to the phenolic resin solution. After sufficient infiltration, mix phenolic resin powder, quicklime powder, pyrite powder, iron oxide powder, cryolite, fluorite, naphthalene particles, plastic particles, hollow alumina and abrasives, and continue to stir until the various raw materials are fully mixed and uniform .

[0060] The mixed raw material granules are screened twice through a 12-36 mesh sieve, and the granules ...

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Abstract

The invention relates to a resin rough grinding wheel and a preparation method thereof. The resin rough grinding wheel comprises a grinding body and reinforcing meshes, wherein the reinforcing meshes are arranged inside the grinding body to enhance the revolving strength of the grinding body. The grinding body is composed of 115-150 parts of grinding materials, 5-15 parts of liquid phenolic resin, 25-45 parts of phenolic resin powder and 15-35 parts of filling, wherein the grinding materials comprise 30-40 parts of microcrystal corundum, 80-100 parts of fused alumina zirconia and 5-10 parts of garnets, the filling is composed of 9-21 parts of pyrite, 1-3 parts of cryolite, 1-3 parts of ferric oxide, 1-3 parts of quick lime and 3-5 parts of fluorite. The resin rough grinding wheel is prepared through the steps of preparation, mixing, sifting, shaping, hardening, testing, packaging and storing, has high strength, good abrasive resistance and self-sharpening performance, high grinding efficiency, good roughness and low workpiece burning possibility; meanwhile, the surface of the grinding wheel is not easy to block and has good breathability, good tenacity and high security performance.

Description

technical field [0001] The invention relates to a resin grinding wheel and a preparation method thereof, in particular to a resin rough grinding wheel and a preparation method thereof, and belongs to the technical field of abrasive tool processing. Background technique [0002] Grinding wheel is the most important type of abrasive tool in grinding process. It is made by adding binder to abrasive material, mixing, sieving, forming and hardening. Due to different abrasives, bonding agents and manufacturing processes, the characteristics of grinding wheels vary greatly, which has an important impact on the processing quality, productivity and economy of grinding. Resin grinding wheels are mainly used in steel, bearings, railways, vehicles, shipbuilding, chemicals, instruments, aerospace, building materials and other mechanical processing industries. Depending on the purpose and amount of processing, rough grinding, rough grinding, semi-fine grinding, fine grinding, fine grindi...

Claims

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Application Information

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IPC IPC(8): B24D3/28B24D18/00
Inventor 李保国俞建成张瑜张和平
Owner NINGBO DAHUA GRINDING WHEEL
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