Abrasive particle jet assisted ultrahard fine abrasive material grinding wheel ultraprecise grinding method

A technology of superabrasives and abrasive jets, which is applied in the direction of grinding workpiece supports, grinding/polishing equipment, and machine tools suitable for grinding the edge of workpieces, etc. Field limitations and other issues, achieve the effect of simple grinding equipment and process, realize sharpening and contour dressing, and low cost

Inactive Publication Date: 2020-02-11
HENAN UNIVERSITY OF TECHNOLOGY
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The ultra-precision grinding principle of ELID micro-superabrasive grinding wheel is to sharpen the micro-abrasive on the surface of the grinding wheel through online electrolytic sharpening to have a sharp grinding edge and equal height. grinding wheel, special electrolytic power supply, spec

Method used

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  • Abrasive particle jet assisted ultrahard fine abrasive material grinding wheel ultraprecise grinding method
  • Abrasive particle jet assisted ultrahard fine abrasive material grinding wheel ultraprecise grinding method
  • Abrasive particle jet assisted ultrahard fine abrasive material grinding wheel ultraprecise grinding method

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Embodiment

[0049] Ultra-fine abrasive jet assisted ultra-fine super-abrasive grinding wheel ultra-precision grinding method and principle such as figure 2 As shown, the fine superabrasive grinding wheel 1 is a ceramic, resin or metal bonded superabrasive grinding wheel, which is a bonded abrasive tool made of fine superabrasives and bonds, with a particle size range of w15-w0.5. The workpiece 2, that is, the workpiece to be processed, can be made of metal or ceramics. The ultra-fine ordinary free abrasive liquid 3 is a water-based grinding coolant containing ultra-fine silicon carbide or corundum abrasives and added with a dispersant, and the particle size range of the ultra-fine ordinary free abrasive particles is within the range of the fine superabrasive grinding wheel 1 / 5-1 / 3 times of the superabrasive particle size, the abrasive particle concentration range in the abrasive liquid is 2-20% of the volume ratio, determined according to the required grinding conditions.

[0050] The w...

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Abstract

The invention belongs to the technical field of grinding, and discloses an abrasive particle jet assisted ultrahard fine abrasive material grinding wheel ultraprecise grinding method. The precise grinding process of an ultrahard fine abrasive material grinding wheel is assisted by abrasive particle liquid jet flow with ultrafine particle size; the online sharpening and the fine grinding edge equal-height finishing are performed on the working surface of the ultrahard fine abrasive material grinding wheel in the grinding process by using the strength difference of ultrahard abrasive materials,general abrasive materials and bonding agents; and the ultraprecise grinding is realized under the grinding effect of a sharp equal-height grinding edge of the ultrahard fine abrasive material grinding wheel. The method realizes the sharpening and the equal-height finishing of the grinding edge of the ultrahard fine abrasive material grinding wheel, effectively solves the technical difficulties ofthe online sharpening and the grinding edge equal-height finishing of the surface grinding edge of the ultrahard fine abrasive material grinding wheel, and achieves an active effect on improvement ofthe grinding surface quality. The method achieves obvious advancement, and achieves prominent academic and actual application value on promotion of the grinding technology development.

Description

technical field [0001] The invention belongs to the technical field of grinding, and in particular relates to an ultra-precision grinding method for a fine superhard abrasive grinding wheel assisted by an abrasive grain jet. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] Grinding is a high-precision machining method and has always been an effective means for precision ultra-precision machining. With the advancement of science and technology, people have higher and higher requirements for the machining accuracy and surface quality of parts. The precision ultra-precision machining of materials is carried out by grinding methods. Compared with other precision ultra-precision machining methods, it has strong processing ability and high precision. Therefore, precision ultra-precision grinding has always been one of the important development directions of precision ultra-precision machining technology. A...

Claims

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Application Information

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IPC IPC(8): B24B31/116B24B57/02B24B41/06
CPCB24B31/116B24B41/06B24B57/02
Inventor 崔仲鸣庄召鹏王星赫青山周宝仓
Owner HENAN UNIVERSITY OF TECHNOLOGY
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