Leveling and aligning device and method for point of micro abrasive particle protruding edge of rough diamond abrasion wheel

A diamond grinding wheel and rough diamond technology, which is applied in the field of diamond grinding wheel tool sharpening and leveling, can solve the problems of uneven surface quality, low dressing efficiency, corrosive liquid treatment, etc. Effect, effect of preventing gap blocking

Active Publication Date: 2016-04-06
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The factory grinding wheel must be smoothed and trimmed before use to obtain a very sharp and prominent cutting edge of the abrasive grain of the grinding wheel, but the cutting edge of the abrasive grain is not uniform in height, which will lead to different surface quality in the grinding process. The shedding will cause secondary damage to the machined surface, so it is necessary to trim the abrasive cutting edge
However, it is very difficult to dress the cutting edge of microabrasive grains out of the bond. Traditional mechanical dressing has low efficiency. Non-mechanical laser and chemical etching have problems such as low precision, high cost, and corrosive liquid treatment.

Method used

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  • Leveling and aligning device and method for point of micro abrasive particle protruding edge of rough diamond abrasion wheel
  • Leveling and aligning device and method for point of micro abrasive particle protruding edge of rough diamond abrasion wheel
  • Leveling and aligning device and method for point of micro abrasive particle protruding edge of rough diamond abrasion wheel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] like figure 1 As shown, a device for smoothing and trimming the tip of a coarse diamond grinding wheel with microabrasive grains, including a grinding disc 2 with a particle size of 600 to 3000 meshes, and an air shaft 3, the grinding disc 2 is mounted on the air shaft 3, and the The air shaft 3 is fixed on the horizontal workbench 4 of the CNC machine tool, the grinding disc 2 is a diamond grinding disc containing cast iron micropowder, and the grinding surface of the grinding disc 2 is uniformly provided with A circular microstructure array, the cross-section of the microstructure array is a zigzag microgroove, the included angle of the zigzag microgroove is 60 degrees, the depth is 700 microns, and the distance between adjacent zigzag microgrooves is 808 Micron.

[0024] The microstructure array on the grinding disc 2, on the one hand, can ensure that the contact point between the grinding disc 2 and the diamond grinding wheel 1 changes at all times during the grind...

Embodiment 2

[0032] like figure 1 As shown, the present embodiment adopts the orthogonal grinding method, and the grinding disc 2 is installed on the workbench, the rotation axis is the Y axis, the rotation axis of the diamond grinding wheel 1 is the Z axis, and the diamond grinding wheel 1 moves back and forth along the surface of the grinding disc 2. Feed movement to realize the orthogonal grinding and trimming of the grinding wheel. The specific process is:

[0033] A method for smoothing and trimming the tip of the edge of the coarse diamond grinding wheel using the device, comprising the steps of:

[0034]1) The diamond grinding wheel 1 (135 mm in diameter and 8 mm in thickness) with a particle size of 46 objects is installed on the grinding wheel shaft of the surface grinder (PSG52DX) of the air static pressure shaft, and the grinding disc 2 (diameter 2) containing cast iron micropowder diamond is housed 160 millimeters, the air shaft 3 of thickness 15 millimeters) is fixed on the h...

Embodiment 3

[0041] like figure 1 As shown, the present embodiment adopts the orthogonal grinding method, and the grinding disc 2 is installed on the workbench, the rotation axis is the Y axis, the rotation axis of the diamond grinding wheel 1 is the Z axis, and the diamond grinding wheel 1 moves back and forth along the surface of the grinding disc 2. Feed movement to realize the orthogonal grinding and trimming of the grinding wheel. The specific process is:

[0042] A method for smoothing and trimming the tip of the edge of the coarse diamond grinding wheel using the device, comprising the steps of:

[0043] 1) Install the diamond grinding wheel 1 (diameter 150 mm, thickness 5 mm) with a particle size of 120 on the grinding wheel shaft of the CNC numerical control grinding machine (SMART-B818), and the grinding disc 2 (diameter 100 mm) containing cast iron micropowder diamond , the air shaft 3 of thickness 10 millimeters) is fixed on the horizontal table 4 of grinding machine, makes th...

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Abstract

The invention discloses a leveling and aligning device for the point of a micro abrasive particle protruding edge of a rough diamond abrasion wheel. The leveling and aligning device comprises a grinding disc with the particle size of 600-3,000 meshes and an air shaft. The grinding disc is arranged on the air shaft. The air shaft is fixed to a horizontal workbench of a numerical control machine tool. The grinding disc is a cast iron containing superfine diamond grinding disc. Round microstructure arrays concentric with the rotating axis of the grinding disc are evenly arranged on the grinding surface of the grinding disc. The invention further provides a leveling and aligning method for the point of the micro abrasive particle protruding edge of the rough diamond abrasion wheel. The rotating speed of the grinding disc and the diamond abrasion wheel is controlled to control the relative speed direction of abrasive particles during grinding, so that the grinding force direction of the abrasive particles during grinding changes within the range of 90 degrees of two orthorhombic abrasion wheel rotating speed directions, the diamond abrasion wheel point is leveled and aligned in the direction where diamond abrasive particles are prone to be damaged during crystallization, and it is guaranteed that the grinding area covers the whole work surface of the diamond abrasion wheel.

Description

technical field [0001] The invention relates to the field of sharpening and trimming of diamond grinding wheel tools, in particular to a device and method for smoothing and aligning the tip of a micro-abrasive blade of a coarse diamond grinding wheel, which is a kind of smoothing and trimming of a micro-abrasive blade tip of a coarse diamond grinding wheel for mirror grinding precise control technology. Background technique [0002] In general, improving the surface quality of hard and brittle materials mainly depends on the precision mirror grinding of diamond grinding wheels. The factory grinding wheel must be smoothed and trimmed before use to obtain a very sharp and prominent cutting edge of the grinding wheel, but the cutting edge of the grinding grain is not uniform and high, which will lead to different surface quality in the grinding process. The shedding will cause secondary damage to the machined surface, so it is necessary to trim the abrasive cutting edge. Howe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B53/053B24B53/12
CPCB24B53/053B24B53/12
Inventor 谢晋程剑廖隽颖刘继楠
Owner SOUTH CHINA UNIV OF TECH
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