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A preparation method of an electroplated diamond grinding wheel with ordered abrasives

A technology of electroplating diamonds and orderly arrangement, applied in the direction of electrolytic coating, liquid chemical plating, metal material coating technology, etc., can solve the problems of short service life, small edge height of abrasives, and small abrasive holding force of electroplated diamond grinding wheels, etc. Achieve the effect of increasing the service life, improving the grinding quality and avoiding the burn of the workpiece

Inactive Publication Date: 2017-08-04
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 a method for preparing an electroplated diamond grinding wheel in which the abrasives are arranged in an orderly manner, so as to solve the problems of the electroplated diamond grinding wheel prepared by the existing method, such as small abrasive holding force, small abrasive edge height, and short service life.

Method used

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  • A preparation method of an electroplated diamond grinding wheel with ordered abrasives
  • A preparation method of an electroplated diamond grinding wheel with ordered abrasives
  • A preparation method of an electroplated diamond grinding wheel with ordered abrasives

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 a method for preparing an electroplated diamond grinding wheel in which abrasives are arranged in an orderly manner. The coating is a pre-plated substrate; the diamond abrasive is placed on the surface of the pre-plated substrate and rolled so that the lower part of the abrasive is embedded in the blind hole to obtain the sand substrate; after the sand substrate is activated, electroplating is carried out to deposit on the surface of the grinding wheel substrate and in the blind hole Metal plating is obtained. The preparation method of the present invention realizes the regular and orderly arrangement of diamond abrasives on the surface of the grinding wheel substrate, and enhances the holding force of the coating on the diamond abrasives in the electroplating consolidation process; the obtained diamond grinding wheel has strong holding force on the abrasives, long service life, and abrasive The regular and orderly arrangement on the surface of the grinding wheel substrate improves the grinding quality and grinding efficiency; for diamond abrasives with the same particle size, the electroplating time is shortened to 20% to 55% of the traditional process, which improves the uniformity of the coating.

Description

technical field [0001] The invention belongs to the technical field of superhard material products, and in particular relates to a method for preparing 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 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D15/00C23C18/36C25D3/16
Inventor 王亮亮胡玉峰李世华
Owner ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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