An electroplated diamond grinding wheel with abrasives arranged in order

A technology of electroplating diamonds and orderly arrangement, which is applied in the direction of abrasive materials, coating of superimposed layers, grinding devices, etc., can solve the problems of small abrasive holding force, small edge height of abrasive, and short service life, etc., to achieve enhanced holding force, Effects of improving grinding quality and increasing service life

Active Publication Date: 2017-12-22
ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an electroplated diamond grinding wheel in which the abrasives are arranged in an orderly manner, so as to solve the problems of the existing electroplated diamond grinding wheels, such as small abrasive holding force, small abrasive edge height, and short service life.

Method used

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  • An electroplated diamond grinding wheel with abrasives arranged in order
  • An electroplated diamond grinding wheel with abrasives arranged in order
  • An electroplated diamond grinding wheel with abrasives arranged in order

Examples

Experimental program
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Effect test

Embodiment 1

[0039] The electroplated diamond grinding wheel that the abrasive material of the present embodiment arranges orderly, as figure 2 , 3 As shown, it includes a grinding wheel substrate 1 and an abrasive layer 5, and the surface of the grinding wheel substrate 1 is provided with blind holes 4 arranged in an orderly manner; the abrasive layer 2 includes a diamond abrasive 3 and a metal coating 4, and the root of the diamond abrasive 3 is inlaid In the blind hole 4 , a metal plating layer 4 is deposited on the surface of the grinding wheel base 1 and in the blind hole 2 , for consolidating the abrasive 3 in the blind hole 2 .

[0040] Wherein, the particle size number of the diamond abrasive is 30 / 35, and the average particle diameter of the abrasive is 550 μm; the embedding rate of the abrasive is set to be 50% respectively. The diameter of the blind hole is 0.6mm, the depth is 0.15mm, and the hole spacing is 1.0mm; the thickness of the metal (nickel) coating is 23% of the aver...

Embodiment 2

[0060] The electroplated diamond grinding wheel with abrasives arranged in order in this embodiment comprises a grinding wheel substrate and an abrasive layer, and the surface of the grinding wheel substrate is provided with orderly arranged blind holes; the abrasive layer includes diamond abrasives and a metal coating, and the diamond abrasives The root is embedded in the blind hole, and the metal coating 4 is deposited on the surface of the grinding wheel substrate and in the blind hole, for consolidating the abrasive in the blind hole.

[0061] Wherein, the particle size number of the diamond abrasive is 30 / 35, and the average particle diameter of the abrasive is 550 μm; the embedding rate of the abrasive is set to be 40%. The diameter of the blind holes is 0.6 mm, the depth is 0.15 mm, and the hole spacing is 1.0 mm; the thickness of the metal (nickel) coating is 12.7% of the average grain size of the abrasive, that is, 70 μm.

[0062] The preparation method of the electro...

experiment example

[0075] In this experimental example, the service life of the electroplated diamond grinding wheel obtained in Examples 1 and 2 is detected. The detection method is: the electroplated diamond grinding wheel of embodiment 1, 2 and comparative example 1, 2 is installed on the same deburring machine tool, the processed workpieces are all automobile engine cylinder blocks (gray cast iron material), both adopt the same grinding Technology, after several deburring processing tests, the service life is characterized by the average number of processed workpieces. Among them, comparative examples 1 and 2 are electroplated diamond grinding wheels prepared by traditional technology (burying sand method), and the substrate specification size, abrasive grain size, embedding rate and electroplating process parameters are the same as those of examples 1 and 2 respectively.

[0076] By the formula t=δγ / K·i c η (where γ—metal density; δ—coating thickness; η—cathode current efficiency, value 95...

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Abstract

The invention discloses an electroplated diamond grinding wheel with abrasives arranged in order. The electroplated diamond grinding wheel comprises a grinding wheel base and an abrasive layer, and the surface of the grinding wheel base is provided with orderly arranged blind holes; the abrasive layer comprises abrasives and a metal coating, The root of the abrasive is embedded in the blind hole, and the metal coating is deposited on the surface of the grinding wheel substrate and in the blind hole for consolidating the abrasive. The electroplated diamond grinding wheel of the present invention realizes the regular and orderly arrangement of abrasives on the surface of the grinding wheel substrate, effectively solving the problem of uneven distribution and disorder of abrasives in the abrasive layer of traditional diamond grinding wheels; The filling effect increases the holding force of the coating and the substrate to the abrasive, which increases the life of the grinding wheel by 15% to 20%. The orderly arrangement of the abrasive on the surface of the substrate forms a good chip removal path and avoids machining due to abrasive debris blocking The phenomenon of workpiece burning improves the grinding quality.

Description

technical field [0001] The invention belongs to the technical field of superhard material products, and in particular relates to an electroplated diamond grinding wheel in which abrasives are arranged in order. Background technique [0002] The electroplated diamond grinding wheel is a diamond grinding wheel made by electrodeposition. The working layer of the grinding wheel contains diamond abrasives and metal coatings, and the diamond abrasives are consolidated on the substrate by the metal coatings. During the electroplating process, metal ions are continuously precipitated on the surface of the cathode, and the abrasive is placed on the surface of the cathode, which is gradually covered by the deposited metal coating; after the thickening step, the diamond is finally fixed on the substrate to form a composite coating with grinding function. That is, an electroplated diamond grinding wheel is obtained. The electroplated diamond grinding wheel has a single-layer abrasive s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D3/10B24D3/34B24D18/00C23C28/02C23C18/36C23C18/18C25D3/12C25D7/00
Inventor 王亮亮胡玉峰刘娜娜
Owner ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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