Method for improving performances of resin abrasive tools through carbon nano-tubes

A technology of carbon nanotubes and single-walled carbon nanotubes, applied in abrasives, grinding devices, manufacturing tools, etc.

Inactive Publication Date: 2009-12-16
云南光电辅料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the method of adding surface organic carbon nanotubes as reinforcing fib

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Add 3% of carboxylated carbon nanotubes, 22% of modified phenolic resin powder, 30% of copper powder, 10% of chromium oxide, 20% of iron oxide, 18% of silicon carbide micropowder, diamond powder (grain size 120 / 140, concentration 75%) ), mix powder and mix evenly, cold press molding, heat up to 200°C in stages, and heat-preserve and solidify for 10 hours. Compared with the abrasive block without carboxylated carbon nanotube resin under the same process conditions, the service life of the abrasive block can be increased by about 11%.

Embodiment 2

[0018] By adding 3% of hydroxylated carbon nanotubes, 22% of modified phenolic resin powder, 30% of copper powder, 10% of chromium oxide, 20% of iron oxide, 18% of silicon carbide micropowder, diamond powder (grain size 120 / 140, concentration 75%) ), mix powder and mix evenly, cold press molding, heat up to 200°C in stages, and heat-preserve and solidify for 10 hours. Compared with the abrasive block without carboxylated carbon nanotube resin under the same process conditions, the service life of the abrasive block can be increased by about 16%.

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PUM

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Abstract

The invention discloses a method for improving performances of resin abrasive tools through carbon nano-tubes. By adding the carbon nano-tubes of which the surfaces are subjected to organic treatment to resin abrasive tools, the method improves the body strength, anti-impact strength, bending resistance and wear resistance of the resin abrasive tools, and then improves the surface shape stability and machining accuracy of the resin abrasive tools, and prolongs life span. The surfaces of the carbon nano-tubes after organic treatment have carboxyl hydroxyl and other organic functional groups, and the addition amount of the carbon nano-tubes is 1 to 5 percent by weight. When the carbon nano-tubes added are carbonylation carbon nano-tubes, the wear resistance of the abrasive tools can be improved by 10 to 15 percent. When the carbon nano-tubes added are hydroxylation carbon nano-tubes, the wear resistance of the abrasive tools can be improved by 15to 20 percent.

Description

technical field [0001] The invention relates to a method for improving the performance of resin abrasives by using carbon nanotubes, in particular to improving the body strength, impact strength, deflection resistance and wear resistance of resin abrasives, thereby improving the surface stability and processing of resin abrasives. Accuracy, the method of prolonging the service life. Background technique [0002] Resin abrasive tools are made of resin as a binder, adding abrasives, filling materials, additives and other materials, through the processes of batching, mixing, forming (press forming, casting forming, coating forming), curing and post-conditioning. A processing tool for different grinding requirements. Resin grinding has the advantages of high grinding efficiency, good self-sharpening, not easy to block, not easy to burn the surface of the processed object, and good polishing performance. It is the most widely used abrasive tool. However, the characteristics of ...

Claims

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Application Information

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IPC IPC(8): B24D18/00B24D3/34
Inventor 李妹明杨俊宏句红兵刘忠祥张文艳谭立
Owner 云南光电辅料有限公司
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