Method for roughly trimming diamond grinding wheel

A diamond grinding wheel and grinding wheel technology, applied in the field of rough dressing of diamond grinding wheels, can solve the problems of low dressing efficiency and low precision, achieve the effects of improving dressing efficiency, ensuring accuracy and high efficiency, and improving surface conditions

Inactive Publication Date: 2013-04-17
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for rough dressing of diamond grinding wheel, so as to solve the technical problems of extremely low efficiency and low precision of mechanical dressing of diamond grinding wheel at present

Method used

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Embodiment Construction

[0024] Embodiments of the invention are described in detail below, but the invention can be practiced in many different ways as defined and covered by the claims.

[0025] The application discloses a method for rough dressing of a diamond grinding wheel, which is suitable for the process of rough dressing of a cylindrical diamond grinding wheel with relatively large diamond abrasive grain size and relatively large circular runout, including the following steps:

[0026] A, scan the surface of the diamond grinding wheel by a line scanning laser displacement sensor, obtain the highest point on the surface of the grinding wheel, and determine the radial, axial, and generatrical positions of the highest point;

[0027] The line-scanning laser displacement sensor based on the principle of triangulation can be used to scan the entire grinding wheel surface to obtain the circular runout curve of the grinding wheel, and obtain the height values ​​at each point on the grinding wheel sur...

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Abstract

The invention provides a method for roughly trimming a diamond grinding wheel. The method includes steps of A, scanning the surface of the diamond grinding wheel, acquiring the highest point of the surface of the grinding wheel and determining the position of the highest point in radial, axial and generating line directions; B, emitting a focused pulse laser beam along the inner normal direction of the surface of the grinding wheel and enabling the position of a focal spot of the focused pulse laser beam to be coincided with the position of the highest point of the grinding wheel in the radial, axial and generating line directions; C, erecting a silicon carbide roller at a position opposite to a generating line of the grinding wheel and setting the cutting depth as 0.005mm; and D, repeating the steps once after the grinding wheel is trimmed for 3 to 5 minutes until a circle run-out error of the grinding wheel is not larger than 20 micrometers. The method has the advantages that diamond grains are ablated and directly removed by the focused pulse laser beam, remaining diamond grains are removed by the silicon carbide roller, deteriorative layers of surfaces of the grains which are ablated by laser, grains without holding force and the like are mechanically peeled off, and the method is applicable to efficiently roughly trimming diamond grinding wheels with large grains.

Description

technical field [0001] The invention relates to the technical field of dressing of diamond grinding wheels, in particular to a rough dressing method of diamond grinding wheels. Background technique [0002] Diamond is the hardest material today, with a small friction coefficient and good wear resistance. Therefore, the superabrasive diamond grinding wheel made of diamond has the characteristics of strong grinding ability, small consumption of abrasive tools, and low grinding temperature. It is widely used in the processing of hard and brittle materials such as glass, stone, concrete, ceramics, and cemented carbide. The consumption is increasing at a rate of about 10% per year, saving a lot of grinding time and processing costs. [0003] At present, for the grinding of the diamond grinding wheel itself, the mechanical roller dressing method based on "head-to-head" is basically used, such as turning dressing method, diamond roller dressing method, grinding dressing method, rol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B53/06B24B49/18B24B49/12
Inventor 陈根余邓辉张玲徐建波李宗根袁勃
Owner HUNAN UNIV
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