Grinding method for typical crystal surfaces of laser in-situ auxiliary monocrystal diamonds
A single crystal diamond and grinding method technology, which is applied to machine tools, grinding machines, metal processing and other directions suitable for grinding workpiece planes, can solve the problems of low grinding and polishing efficiency and poor surface quality, and improve the overall grinding efficiency and quality. , Efficient grinding effect
Active Publication Date: 2020-01-14
CHANGCHUN UNIV OF SCI & TECH
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Problems solved by technology
The usual single crystal diamond grinding method often needs to perform selective grinding according to the easy-to-grind crystal orientation on the grinding surface, and the efficiency of grinding and polishing is low, and the surface quality is poor.
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[0022] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0023] Such as figure 1 As shown, the embodiment of the present invention provides a laser in-situ assisted grinding method of a typical crystal face of single crystal diamond. The laser beam emitted by the laser passes through the single crystal diamond and is irradiated on the difficult-to-grind direction of the single crystal diamond grinding surface, so that The difficult-to-grind direction of the single-crystal diamond grinding surface absorbs laser energy, and heats the entire grinding surfa...
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Abstract
The invention discloses a grinding method for typical crystal surfaces of laser in-situ auxiliary monocrystal diamonds. The method comprises the steps that proper laser types are selected according todifficult grinding directions of grinding surfaces of monocrystal diamonds, and light spot shapes of selected laser beams are matched with the difficult grinding directions of the grinding surfaces of the monocrystal diamonds; and the laser beams emitted by the lasers are incident from grinded illuminating surfaces of the monocrystal diamonds, and are irradiated to the difficult grinding directions of the grinding surfaces of the monocrystal diamonds, so that laser energy is absorbed by the difficult grinding directions of the grinding surfaces of the monocrystal diamonds, the whole grindingsurfaces are heated through a heat conducting mode, the hardness in the difficult grinding directions of the grinding surfaces of the monocrystal diamonds is finally softened, and a grinding disc is used for efficient grinding.
Description
technical field [0001] The invention belongs to the field of single crystal diamond grinding and polishing, and in particular relates to a laser in-situ assisted grinding method of a typical crystal face of single crystal diamond. Background technique [0002] Single crystal diamond has the advantages of high hardness, thermal conductivity, corrosion resistance, etc., and is widely used in mechanical processing industry, electronic and electrical industry, optical glass and gemstone processing industry and other fields. However, the difference in atomic arrangement and atomic density on each crystal plane of single crystal diamond and the difference in the distance between crystal planes cause diamond crystal anisotropy, so the properties of single crystal diamond with different crystal orientations on the same crystal plane vary greatly. Due to the difference in the performance of each crystal plane in different directions, when grinding single crystal diamond, the so-calle...
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IPC IPC(8): B24B41/06B24B7/22B23P25/00
CPCB23P25/00B24B7/228B24B41/067
Inventor 石广丰韩旭付旺王淑坤刘思宇
Owner CHANGCHUN UNIV OF SCI & TECH