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Diamond tool with metallized diamond surface and preparation method thereof

A diamond tool and surface metal technology, which is applied in the field of diamond tool preparation, can solve the problems of reducing the sharpness of diamond and effective utilization rate, insufficient holding force of matrix powder on diamond, and reduced service life of tools, so as to improve effective utilization rate, Improvement of sharpness and life, and the effect of improving grip

Pending Publication Date: 2018-11-16
泉州众志金刚石工具有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, through the conventional direct mixing preparation method, the bonding force between diamond and matrix powder is insufficient, and the matrix powder has insufficient holding force on diamond, which will seriously reduce the sharpness and effective utilization rate of diamond in the cutting process. Creates waste and reduces tool life

Method used

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  • Diamond tool with metallized diamond surface and preparation method thereof
  • Diamond tool with metallized diamond surface and preparation method thereof
  • Diamond tool with metallized diamond surface and preparation method thereof

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preparation example Construction

[0036] This case involves a diamond tool preparation method for diamond surface metallization, including the following steps:

[0037] 1) Select a diamond tool matrix, which is a pre-alloyed powder of a specific metal series, and the specific metal includes at least two metal components;

[0038] The selected diamond tool matrix powder can be the same pre-alloyed powder as the normal tool.

[0039] 2) Carry out titanium powder coating treatment on the diamond surface first, then carry out sequential coating treatment of at least one metal other than titanium metal, the at least one metal is selected from the above-mentioned at least two metal components;

[0040] For example, if the carcass of diamond tools is selected as iron-copper-nickel-tin series, at least one metal can be selected from iron, copper, nickel, and tin; the carcass formed by the selected metal powder must have a bending strength of more than 800KN. It is necessary to form a mechanical bite force on the diam...

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Abstract

The invention discloses a diamond tool with metallized diamond surface and a preparation method thereof, wherein the preparation method comprises the following steps: 1) selecting a diamond tool matrix, wherein the matrix is a specific metal-series pre-alloyed powder, and the specific metal comprises at least two metal components; 2) firstly carrying out film plating treatment on the diamond surface with titanium powder, and followed by, carrying out film plating treatment with at least one metal except titanium metal sequentially, wherein at least one metal is selected from at least two metalcomponents; 3) mixing the diamond having film plating treatment completed with the selected diamond tool matrix to form a required mixture; and 4) carrying out hot-press sintering of the mixture to produce the diamond tool. The bonding force between the diamond and the metal matrix can be improved by carrying out film plating treatment on the diamond surface with different metals, so as to increase the holding force of the bonder matrix to the diamond, increase the effective utilization rate of the diamond and improve the sharpness and life of the tool.

Description

technical field [0001] The invention relates to a diamond tool preparation technology, in particular to a diamond tool with metallized diamond surface and a preparation method thereof. Background technique [0002] In the production of ordinary diamond tools, diamonds are distributed in matrix powder through three-dimensional mechanical mixing. The quality of the bonding force between diamond and matrix powder is the key to determining the performance of diamond tools such as sharpness and life. At present, through the conventional direct mixing preparation method, the bonding force between diamond and matrix powder is insufficient, and the matrix powder has insufficient holding force on diamond, which will seriously reduce the sharpness and effective utilization rate of diamond in the cutting process. Cause waste, and reduce the service life of tool. In view of this, the present inventor conducted further research on this, and developed a diamond tool with metallization on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/14C23C14/24
CPCC23C14/14C23C14/24
Inventor 王晓荣黄梓杰王政
Owner 泉州众志金刚石工具有限公司
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