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Brazing solder of diamond compacts and welding technology thereof

A technology of diamond composite sheet and brazing solder, which is applied in the direction of welding medium, welding equipment, metal processing equipment, etc., can solve the problems of tool desoldering, poor welding process of PCD composite sheet, etc., and achieve strong bonding force and good wettability Effect

Inactive Publication Date: 2016-11-23
洛阳新巨能高热技术有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] High-frequency induction brazing is a commonly used PCD composite sheet welding process, but due to the poor welding process of PCD composite sheets, the phenomenon of tool desoldering often occurs in actual production

Method used

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Embodiment Construction

[0016] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, steps and features of the diamond composite sheet brazing material and its welding process proposed in accordance with the present invention will be combined with preferred embodiments below. And its effects are described in detail later.

[0017] The brazing material of the diamond composite sheet of the present invention has the following components by weight percentage: Ag: 55%, Cu: 15%, Zn: 20%, Ni+Co: 4%, Mn: 6%, and the particle size of each solder is 200 Item

[0018] The welding process of the diamond composite sheet brazing solder in an embodiment of the present invention includes the following steps:

[0019] 1. Composite sheet and matrix treatment: the hard alloy surface of the diamond composite sheet that needs to be brazed is sandblasted or polished to remove the oxide layer and cleaned; the steel subs...

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Abstract

The invention discloses brazing solder of diamond compacts and a welding technology thereof. A small quantity of Ni, Co and Mn are added into Ag-Cu-Zn brazing solder serving as a main body, a steel substrate is uniformly coated with the brazing solder after soldering flux is mixed, the cut PCD compacts are placed on the brazing solder, and then high-frequency induction brazing is carried out. According to the brazing solder, the ability of the soldering flux to wet substrate steel is high, a welding line of a tool is uniformly filled with the solder, and the binding force of the steel substrate and the compacts is high.

Description

Technical field [0001] The invention belongs to the field of superhard materials, and particularly relates to a brazing filler material for a diamond composite sheet and a welding process thereof. Background technique [0002] The diamond composite sheet is composed of a polycrystalline diamond (PCD) layer and a cemented carbide layer. The PCD layer has the high hardness and wear resistance of diamond, and the cemented carbide layer has good strength and rigidity. The combination of the two makes the PCD composite sheet have excellent cutting performance. The PCD cutter is a cutting tool made by welding the cut PCD composite sheet on the cutter base with a suitable brazing filler metal, and then sharpening it. With the continuous improvement of the manufacturing technology of PCD cutting tools, the use of PCD cutting tools has become wider and wider, and its application range has been extended to many fields such as aviation, aerospace, electronics, stone and so on. [0003] High...

Claims

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Application Information

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IPC IPC(8): B23K35/30B23K35/40B23K1/002B23K101/20
CPCB23K35/3006B23K1/002B23K35/0227B23K35/404
Inventor 丁超郭帅高学昆
Owner 洛阳新巨能高热技术有限公司
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