Mirror grinding method for rough diamond wheel
A technology of diamond grinding wheel and coarse diamond, which is applied in precision manufacturing and fine fields of superhard tools, which can solve the problems that diamond grinding wheel cannot obtain high-quality machining surface and the surface roughness of workpiece is high, so as to improve the sharpening efficiency and processing effect Good, good mirror grinding effect
Inactive Publication Date: 2018-06-19
SOUTH CHINA UNIV OF TECH
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Problems solved by technology
However, the coarser-grained diamond grinding wheel cannot obtain a high-quality machined surface, and the surface roughness of the machined workpiece is high
Method used
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[0024] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.
[0025] A method for mirror surface grinding of a rough diamond emery wheel, comprising the steps of:
[0026] Step 1: The diamond grinding wheel is sharpened and trimmed by a hybrid electrode dresser, so that the surface of the rough diamond grinding wheel is sharpened and trimmed. The electrode of the electrode dresser adopts a flat electrode or a cap-shaped electrode;
[0027] Step 2: Use the sharpened diamond grinding wheel to perform dry grinding on the surface of hard and brittle materials in an axial, small depth-of-cut and slow-feed mode; the feed depth is 1-20 microns, and the diamond grinding wheel speed is 1000-6000 rev / min, the feed speed is 5-200 mm / min;
[0028] Step 3: Repeat step 2 until the mirror grinding effect is achieve...
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The invention discloses a mirror grinding method for a rough diamond wheel. The mirror grinding method for the rough diamond wheel comprises the following steps that 1, electro-discharge trimming is carried out on the rough diamond wheel through an electrode trimmer; 2, dry-type grinding machining is carried out the surface of hard and crisp materials by using the trimmed rough diamond wheel in anaxial-direction small-cutting deep slow feeding mode; the depth of feeding is 1-20 microns, the rotation speed of the diamond wheel is 1000-6000 rpm, and the feeding speed is 5-200 mm / min; and 3, thestep two is repeated until the mirror grinding effect is achieved. The mirror grinding method can obtain a higher and more uniform protrusion height of abrasive particles, larger scrap-accommodatingspace is generated, the discharge of grinding heat is facilitated, the quality of the grinding surface is improved, good wear resistance is obtained, the grinding efficiency is improved, and the trimming efficiency of the rough particle wheel is improved; and the dry-type grinding machining method in an axial-direction small-cutting deep slow feeding mode is adopted and in cooperation with the rough diamond grinding wheel and the electro-discharge trimming, the machining effect is good, and better mirror grinding effect can be obtained.
Description
technical field [0001] The invention relates to the technical field of fine and precise manufacturing of superhard tools, in particular to a high-quality grinding process for hard and brittle materials, in particular to a mirror grinding method for rough diamond grinding wheels. Background technique [0002] Hard and brittle materials have high hardness, high melting point and high brittleness, and their physical and mechanical properties (especially toughness and strength) are very different from those of metal materials. In order to obtain high-quality hard and brittle material products, many industrially developed countries are currently devoting themselves to the processing research of hard and brittle materials. [0003] High-performance hard and brittle materials such as optical devices, glass, and engineering ceramics are widely used. They have high hardness and low fracture toughness, which are difficult to process and difficult to obtain high-quality surfaces. Trad...
Claims
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Login to View More IPC IPC(8): B24B1/00B24B53/06B24B53/00B24B19/22B24D3/10
CPCB24B1/00B24B19/22B24B53/001B24B53/06B24D3/10
Inventor 鲁艳军李烈军谢晋周超兰刘珍华谭巧蔚
Owner SOUTH CHINA UNIV OF TECH