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Formula and machining method of resin grinding wheel angle abrasive disc

A technology of resin grinding wheel and angle grinding disc, which is applied in the direction of bonded grinding wheel, metal processing equipment, abrasives, etc., can solve the problems of low surface precision of the processed workpiece, small amount of grinding removal, and poor grinding feel, etc. Effects of tissue homogeneity, increased porosity, and good lubricity

Active Publication Date: 2017-01-25
东莞市金利威磨料磨具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In recent years, with the rapid development of my country's high-speed railway industry and shipbuilding industry, the demand for high-efficiency and high-precision resin grinding wheel angle grinding discs has been increasing year by year, but the grinding efficiency of domestic angle grinding discs is generally low at present, and grinding removal The amount is small, edge chipping is more common, the grinding feel is poor, and the surface accuracy of the processed workpiece is not high

Method used

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  • Formula and machining method of resin grinding wheel angle abrasive disc

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Embodiment 1

[0045] see figure 1 , in an embodiment of the present invention, a formulation of a resin grinding wheel angle grinding disc, including three layers of coarse material layer 1, coarse material layer 2 and fine material layer 3 compounded in sequence,

[0046] The raw materials of the coarse material layer are composed by weight: 40 parts of SG abrasive, 30 parts of AZ40 zirconium corundum, 30 parts of white corundum, 3 parts of liquid phenolic resin, 0.75 parts of liquid epoxy resin, 15 parts of 325 mesh powdered phenolic resin , 2 parts of 400-mesh potassium fluoroborate, 2 parts of 600-mesh electrolytic copper powder, 0.5 part of 600-mesh talcum powder;

[0047] Wherein, the viscosity of the liquid phenolic resin in the raw material of the coarse material layer is 500mPa·s (25 ℃), and the particle size numbers of the three kinds of abrasives of the SG abrasive, AZ40 zirconium corundum, and white corundum are all 24 meshes, and the total of the three abrasives The number of ...

Embodiment 2

[0060] see figure 1 , in an embodiment of the present invention, a formulation of a resin grinding wheel angle grinding disc, including three layers of coarse material layer 1, coarse material layer 2 and fine material layer 3 compounded in sequence,

[0061] The raw materials of the coarse material layer are composed by weight: 50 parts of SG abrasive, 25 parts of AZ40 zirconium corundum, 25 parts of white corundum, 4.8 parts of liquid phenolic resin, 1.2 parts of liquid epoxy resin, 17.2 parts of 325 mesh powdered phenolic resin , 5 parts of 500-mesh potassium fluoroborate, 1 part of 800-mesh electrolytic copper powder, 1 part of 800-mesh talcum powder;

[0062] Among them, the viscosity of the liquid phenolic resin in the raw material of the coarse material layer is 650mPa·s (25°C), the particle size numbers of the three abrasives of SG abrasive, AZ40 zirconium corundum, and white corundum are all 36 mesh, and the total number of parts of the three abrasives Keep 100 parts...

Embodiment 3

[0075] see figure 1 , in an embodiment of the present invention, a formulation of a resin grinding wheel angle grinding disc, including three layers of coarse material layer 1, coarse material layer 2 and fine material layer 3 compounded in sequence,

[0076] The raw materials of the coarse material layer are composed by weight: 60 parts of SG abrasive, 20 parts of AZ40 zirconium corundum, 20 parts of white corundum, 6 parts of liquid phenolic resin, 1.5 parts of liquid epoxy resin, 20 parts of 400 mesh powdered phenolic resin , 8 parts of 600-mesh potassium fluoroborate, 0.5 parts of 800-mesh electrolytic copper powder, 2 parts of 800-mesh talcum powder;

[0077] Among them, the viscosity of the liquid phenolic resin in the raw material of the coarse material layer is 800mPa·s (25°C), the particle size numbers of the three abrasives of SG abrasive, AZ40 zirconium corundum, and white corundum are all 46 mesh, and the total number of parts of the three abrasives Keep 100 parts...

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Abstract

The invention discloses a formula of a resin grinding wheel angle abrasive disc. The resin grinding wheel angle abrasive disc comprises a coarse material layer, another coarse material layer and a fine material layer which are composited in sequence. Raw materials of the coarse material layers include SG adhesive materials, AZ40 fused alumina zirconia, white corundum, liquid phenolic resin, liquid epoxy resin, 325-400-mesh powdery phenolic resin, 400-600-mesh potassium fluoborate, 600-800-mesh electrolytic copper powder and 600-800-mesh talcum powder. Raw materials of the fine material layer include brown fused alumina, white corundum, liquid phenolic resin, liquid epoxy resin, 325-400-mesh powdery phenolic resin, 400-600-mesh potassium fluoborate and 600-800-mesh talcum powder. The made resin grinding wheel angle abrasive disc is good in hand feeling, free of edge breakage, large in grinding removal quantity, high in grinding efficiency and adaptability and capable of meeting the requirements for rapid coping of tracks and weld joints, and machined workpieces are high in surface precision.

Description

technical field [0001] The invention relates to the technical field of metal grinding tool products, in particular to a formulation of a resin grinding wheel angle grinding disc and a processing method thereof. Background technique [0002] Resin grinding wheel angle grinding discs are widely used in the grinding process of foundry, ship, rail, automobile, building materials and other fields because of their good strength, toughness, self-sharpening, high grinding removal and other characteristics. In recent years, with the rapid development of my country's high-speed railway industry and shipbuilding industry, the demand for high-efficiency and high-precision resin grinding wheel angle grinding discs has been increasing year by year, but the grinding efficiency of domestic angle grinding discs is generally low at present, and grinding removal The amount is small, edge chipping is more common, the grinding feel is poor, and the surface accuracy of the processed workpiece is n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D7/18B24D3/28B24D18/00
CPCB24D3/285B24D7/18B24D18/0009
Inventor 陈新强
Owner 东莞市金利威磨料磨具有限公司
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