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A kind of cbn resin bond abrasive tool and preparation method thereof

A bonding agent and resin technology, used in grinding/polishing equipment, abrasives, grinding devices, etc., can solve the problems of low grinding efficiency, poor shape and position accuracy of grinding objects and poor surface quality

Active Publication Date: 2020-10-23
ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a CBN resin bonded abrasive tool, which can solve the problems of low grinding efficiency, shape accuracy and poor surface quality of the grinding object in the prior art.

Method used

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  • A kind of cbn resin bond abrasive tool and preparation method thereof
  • A kind of cbn resin bond abrasive tool and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The CBN resin bond abrasive tool of the present embodiment is a grinding disc, made of the following raw materials in mass percentage: 10% of thermosetting resin, 25% of cubic boron nitride, 40% of metal powder, 5% of green silicon carbide, 10% of calcium sulfate whisker %, solid lubricant 10%; the average particle size of cubic boron nitride is 90 μm, the metal powder is iron powder with an average particle size of 15 μm, the average particle size of green silicon carbide is 10 μm, and the average length of calcium sulfate whiskers is 30 μm , the average diameter of calcium sulfate whiskers is 4 μm, and the solid lubricant is graphite powder with an average particle diameter of 25 μm.

Embodiment 2

[0044] The CBN resin bond abrasive tool of the present embodiment is a grinding disc, made of the following raw materials in mass percentage: 20% thermosetting resin, 10% cubic boron nitride, 37% metal powder, 15% green silicon carbide, calcium sulfate whisker 3 %, solid lubricant 5%; the average particle size of cubic boron nitride is 90 μm, the metal powder is iron powder with an average particle size of 20 μm, the average particle size of green silicon carbide is 40 μm, and the average length of calcium sulfate whiskers is 46 μm. The average diameter of calcium sulfate whiskers is 6 μm, and the solid lubricant is graphite powder with an average particle diameter of 38 μm.

Embodiment 3

[0046] The CBN resin bond abrasive tool of the present embodiment is a grinding disc, made of the following raw materials in mass percentage: 20% of thermosetting resin, 25% of cubic boron nitride, 20% of metal powder, 15% of green silicon carbide, 10% of calcium sulfate whisker %, solid lubricant 10%; the average particle size of cubic boron nitride is 125 μm, the metal powder is iron powder with an average particle size of 23 μm, the average particle size of green silicon carbide is 25 μm, and the average length of calcium sulfate whiskers is 60 μm , the average diameter of calcium sulfate whiskers is 15 μm, and the solid lubricant is graphite powder with an average particle size of 38 μm.

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Abstract

The invention relates to a CBN (cubic boron nitride) resin binder grinding tool and a preparation method thereof, and belongs to the technical field of abrasives and grinding tools. The CBN (cubic boron nitride) resin binder grinding tool is prepared from the following raw materials in percentage by mass: 10-20% of thermosetting resin, 10-25% of cubic boron nitride, 20-40% of metal powder, 5-15% of silicon carbide, 3-10% of calcium sulfate and 5-10% of a solid lubricant. According to the CBN (cubic boron nitride) resin binder grinding tool, the materials such as the metal powder, the silicon carbide and the calcium sulfate are uniformly and well soaked and wetted by utilizing the high fluidity of the thermosetting resin in the curing stage, so that the bonding strength is improved; and inaddition, the calcium sulfate, the metal powder, the silicon carbide and the solid lubricant are added and compounded, so that the strength, the heat dissipation performance, the grinding efficiency and the self-sharpening performance of the CBN (cubic boron nitride) resin binder grinding tool are greatly enhanced, and the structural uniformity of the grinding tool is improved.

Description

technical field [0001] The invention relates to a CBN resin bonded abrasive tool and a preparation method thereof, belonging to the technical field of abrasive abrasive tools. Background technique [0002] As an important type of grinding wheel, resin grinding wheel is divided into ordinary resin grinding wheel and superhard resin grinding wheel according to different abrasive materials. Hard grinding wheels are grinding wheels with diamond or CBN as the main grinding component. Among them, the resin CBN grinding wheel is widely used for rough grinding, rough grinding, cutting and free grinding, such as grinding steel ingots, casting grinding, etc., due to its strong wear resistance, compression resistance, high hardness and good self-sharpening Glitch etc. [0003] In the prior art, a Chinese invention patent with the authorized notification number CN103639908B discloses a superhard CBN abrasive tool, which includes a grinding wheel abrasive layer; the grinding wheel abra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D3/28B24D3/34B24D18/00
Inventor 史林峰刘权威赵延军
Owner ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD