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Brazing technology for diamond

A brazing process, diamond technology, applied in the direction of metal processing equipment, welding medium, manufacturing tools, etc., to achieve the effect of high brazing quality

Inactive Publication Date: 2009-09-09
JIANGSU YOUHE TOOLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, a small number of countries such as Europe and Japan (including my country's Taiwan region) have begun small-scale trial production of single-layer brazed superabrasive tools, but to achieve mass industrial production and popularization and application in processing, the manufacturing process-- Is it the brazing process or the abrasive arrangement - there are still many problems that need to be further resolved

Method used

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Examples

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Embodiment 1

[0011] A diamond brazing process. First, the brazing alloy is plated on the tool steel substrate by flame spraying (oxygen-acetylene torch), and the diamonds are arranged on the solder layer, and then the brazing is performed at 1080°C under the protection of argon. High-frequency induction brazing for 30 seconds realizes the combination of diamond and steel matrix. The main components and mass percentages of the solder alloy are 72% Ni, 14.4% Cr, 3.5% Fe, 3.5% Si, 3.35% B and 0.5% %O 2 .

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PUM

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Abstract

The invention relates to brazing technology for diamond. Firstly, a flame spraying method (an oxyacetylene welding torch) is used to plate solder alloy on a tool steel substrate, the diamond is arranged on the surface of a solder layer, then the high-frequency induction brazing is performed under the protection of argon at a temperature of 1,080 DEG C for 30 seconds to realize the combination of the diamond and the steel substrate, and main components of the solder alloy in percentage by mass comprise 72 percent of Ni, 14.4 percent of Cr, 3.5 percent of Fe, 3.5 percent of Si, 3.35 percent of B and 0.5 percent of O2. The technical proposal is adopted, so the brazing technology has high brazing quality and is suitable for industrialized operation.

Description

technical field [0001] The invention relates to a metal processing technology, in particular to a diamond brazing technology. Background technique [0002] Superabrasive tools made of diamond and cubic boron nitride (CBN) are widely used in the grinding of various metal materials, the processing of hard and brittle materials such as stone, ceramics, and optical glass, as well as road maintenance, geological mining, oil and gas Drilling and many other engineering fields, the market demand is very large. [0003] The superabrasive tools currently used in production are generally made by multi-layer sintering or single-layer electroplating process. The abrasive grains are only mechanically embedded and embedded in the bonding layer, and the holding force is not large. It is easy to cause the abrasive to fall off prematurely due to insufficient holding force, resulting in waste. On the other hand, in the sintered and electroplated tools, the abrasives are randomly distributed,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K1/002B23K35/24
Inventor 柴辽江王贤辅
Owner JIANGSU YOUHE TOOLS CO LTD
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