Plating diamond tool with glass hard high-wearing feature and production method thereof

A diamond tool, electroplating diamond technology, applied in the direction of manufacturing tools, metal processing equipment, abrasives, etc., can solve the problems of elongated preparation cycle, long electroplating time, etc., to achieve high hardness, increased number of grain boundaries, high wear resistance. Effect

Inactive Publication Date: 2008-06-11
HENAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the electroplating time required for the preparation of tools by direct current electrodeposition is long, thus prolonging the preparation cycle

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: the electroplated diamond tool with high hardness and high wear resistance among the present embodiment, it has nano-nickel-cobalt material coating on the diamond tool blank.

[0019] The method of this tool manufacturing is as follows: (1) pre-plating treatment of diamond tool body:

[0020] a. Mechanically repair the rough surface of the diamond tool body first, then soak it in strong acid for 1 minute, and then rinse the tool with water;

[0021] b. The components used are: NaOH 35g / l, NaOH 2 CO 3 26g / l, Na 3 PO 4 25g / l, Na 2 SiO 3 3g / l prepared degreasing liquid carries out electrochemical degreasing to the tool body after the above treatment; then use 50% H 2 SO 4 The solution is electrochemically activated, and then the concentration is equal to 5% H 2 SO 4 The solution is etched with a weak acid.

[0022] (2) Preparation of electroplating solution: electroplating solution is prepared according to the following components, nickel sulfate...

Embodiment 2

[0025] Embodiment 2: The electroplated diamond tool in this embodiment also has a nano-nickel-cobalt material coating on the diamond tool body.

[0026] When this tool is manufactured, in step (1):

[0027] a. The rough surface of the diamond tool blank is mechanically trimmed and then soaked in strong acid for 2 minutes, and then the tool is rinsed with water;

[0028] b. The components used are: NaOH 45g / l, NaOH 2 CO 3 35g / l, Na 3 PO 4 29g / l, Na 2 SiO 3 7g / l prepared degreasing liquid carries out electrochemical degreasing to the tool body after the above treatment; then use 50% H 2 SO 4 solution for electrochemical activation, and then with a concentration of 4% H 2 SO 4 The solution is etched with a weak acid.

[0029] (2) Preparation of electroplating solution: The electroplating solution is prepared according to the following components, nickel sulfate 300 g / L, nickel chloride 40 g / L, cobalt sulfate 12 g / L, grain refiner 6 g / L , sodium lauryl sulfate 0.005 ...

Embodiment 3

[0032] Embodiment 3: in the present embodiment, the manufacture method of the diamond tool with nano-nickel-cobalt material coating is:

[0033] (1) Pre-plating treatment of diamond tool body:

[0034] a. Mechanically repair the rough surface of the diamond tool first, then soak it in strong acid for 3 minutes, and then rinse the tool with water;

[0035] b. The components used are: NaOH 40g / l, NaOH 2 CO 3 30g / l, Na 3 PO 4 31g / l, Na 2 SiO 3 4g / l prepared degreasing liquid carries out electrochemical degreasing to the tool body after the above treatment; then use 50% H 2 SO 4 The solution is electrochemically activated, and then the concentration is equal to 3.5% H 2 SO 4 The solution is etched with a weak acid.

[0036] (2) Preparation of electroplating solution: electroplating solution is prepared according to the following components, nickel sulfate 220 g / L, nickel chloride 28 g / L, cobalt sulfate 3 g / L, coumarin 3 g / L, ten Dialkyl sodium sulfate 0.005 g / L, bori...

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PUM

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Abstract

Disclosed is an electroplating diamond tool with high hardness and high wear resistance. The invention is formed by covering a coating of nano nickel-cobalt material on a green body of the diamond tool. The method of the tool comprises preparing electroplating liquid, preparing before electroplating of the green body of the diamond tool, and electroplating the green body of the diamond tool after the preparation. When electroplating the green body of the diamond tool after the preparation, the green body of the diamond tool is electroplated with the nano nickel-cobalt material by the utilization of the method of impulse electroplating. The electroplating liquid of the invention is formed by components of nickel sulfate, nickel chloride, cobalt sulfate, grain refiner, dodecyl sodium sulfate, boracic acid and the like. The tool has high hardness and high wear resistance, and thereby the service life is long. Further, the invention has the advantages of short manufacture period.

Description

technical field [0001] The invention belongs to an electroplated diamond tool, in particular to an electroplated diamond tool with high hardness and high wear resistance; meanwhile, it also relates to a manufacturing method of the tool. Background technique [0002] Diamond has extremely high hardness, tools made of diamond are suitable for processing hard and brittle materials, and the use of electroplating technology to prepare electroplated diamond tools not only has a low manufacturing temperature, but also avoids high temperature damage to diamonds, increasing the service life of such tools; Improve tool processing efficiency and processing quality; At present, electroplated diamond tools have been widely used in industrial fields such as machinery, electronics, construction, drilling, and optical glass processing. At present, the preparation of electroplated diamond tools mainly adopts the method of direct current electroplating nickel-cobalt alloy. Nickel-cobalt alloy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D3/00C25D3/56C25D5/00C25D5/18C25D7/00
Inventor 李云东李立波黄志伟卢汇洋李建伟
Owner HENAN AGRICULTURAL UNIVERSITY
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