Method for grinding superhard material

A superhard material and grinding technology, applied in the field of superhard material grinding, can solve the problems of high noise, low processing efficiency and high grinding temperature, and achieve the effect of low wear and low noise

Inactive Publication Date: 2015-04-22
刘永红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a grinding method for superhard materials to solve the problems of excessively high grinding temperature, poor surface roughness of the processed workpiece, excessive noise during processing, and low processing efficiency during processing. question

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0020] The present invention will be further described below in conjunction with embodiment.

[0021] The embodiment of the present invention selects the bottom plane of the finely ground broach as the test. The material of the broach is W10Mo4Cr4V3Al, and its material hardness is HRC66-67. The experiment selects an M7120A surface grinder, the grinding fluid is an extreme pressure emulsion, and the selection specification of the grinding wheel is 1A1 / Cubic boron nitride grinding wheel of model T2250X10X75X10X3CBN100 / 120B100.

[0022] The grinding speed is 18.5m / s;

[0023] Back cutting amount is 0.005mm;

[0024] The speed of the workpiece is 16m / min;

[0025] The axial feed speed is 0.6m / min.

[0026] During the grinding process, the temperature of the workpiece and the grinding wheel is low, and the extreme pressure emulsion forms an adsorption film under the high temperature and high pressure during cutting, which acts as a lubricant; so that the workpiece has a high su...

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PUM

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Abstract

The invention provides a method for grinding a superhard material. The rotating speed of a grinding apparatus is controlled, the back cutting depth of the grinding apparatus is adjusted, the speed and axial feeding speed of a workpiece are controlled, and the grinding speed ranges from 15m/s to 25 m/s; the back cutting depth ranges from 0.005 mm to 0.01 mm; the speed of the workpiece ranges from 15 m/min to 25 m/min; and the axial feeding speed ranges from 0.5 m/min to 1 m/min. The good surface roughness can be obtained through the grinding speed ranging from 15 m/s to 25 m/s, and meanwhile, the temperature of the workpiece and the temperature of a grinding wheel are low, so that the abrasion of the grinding wheel can be controlled within the small range; the back cutting depth ranging from 0.005 mm to 0.01 mm balances the grinding quality of the workpiece and protection of the grinding wheel; when the workpiece is ground at the speed ranging from 15 m/min to 25 m/min, a steady grinding process is achieved, and the noise is low; and the axial feeding speed ranging from 0.5 m/min to 1 m/min enables the surface roughness of the workpiece to be good, and the abrasion of the grinding wheel is good.

Description

technical field [0001] The invention relates to a processing method using an abrasive tool, in particular to a grinding method for superhard materials. Background technique [0002] Grinding is a commonly used mechanical processing method. Grinding of some hard materials is difficult. During the processing, the grinding temperature is likely to be too high, the surface roughness of the workpiece to be processed is not good, and the noise is too loud during the processing. , low processing efficiency and other issues. Contents of the invention [0003] The invention provides a grinding method for superhard materials to solve the problems of excessively high grinding temperature, poor surface roughness of the processed workpiece, excessive noise during processing, and low processing efficiency during processing. question. [0004] In order to solve the above technical problems, the present invention provides a grinding method for superhard materials, including controlling ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B1/00
CPCB24B1/00
Inventor 刘永红
Owner 刘永红
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