Method of laser brazing tool of monolayer diamond

A single-layer diamond and diamond tool technology, used in laser welding equipment, manufacturing tools, metal processing equipment, etc., can solve the problems of diamond graphitization, combustion, and large thermal deformation of the grinding wheel base, such as the brazing cycle, and achieve an increasing effect. The effect of distance, improving bonding strength, convenient and orderly arrangement
CN107096972AActive Publication Date: 2017-08-29CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Publication Date
2017-08-29

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Abstract

The invention relates a method for laser brazing tool of monolayer diamond. The method comprises the following steps: providing a basal body of a diamond tool; coating a brazing material on the surface of a diamond tool basal body to prepare a diamond tool blank; providing a jetting system including a hopper and a spray gun connected with the hopper; providing diamond abrasive grains and placing the diamond abrasive grains into the hopper; providing a laser brazing system including a laser generator and a laser brazing working head; aligning the laser brazing working head and the spray gun to a tool blank surface; starting the laser brazing system and the jetting system, and doing synchronous motion of the laser brazing working head and the spray gun to ensure that focused laser beams produced by the laser brazing working head are positioned in front of the working head and are irradiated on the preposed brazing material so as to molten the brazing material; and after laser light spot, the diamond abrasive grains are sprayed by adopting the spray gun into a brazing molten tank. The diamond abrasive grains are jetted by adopting a paraxle to carry out laser brazing, so that burning oxidization and graphitization of the diamond abrasive grains during brazing are avoided.
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Description

Technical field

[0001] The invention relates to a processing method of a diamond tool, in particular to a method for laser brazing a single layer diamond tool. Background technique

[0002] In recent years, diamond tools have been widely used in industrial production. New types of diamond tools are mostly single-layer brazed diamond tools. It uses high temperature to cause the brazing filler metal to diffuse between the diamond abrasive grains and the base metal, and the metallurgical compound reaction is obtained. The transition layer rich in carbides solves the problem of traditional single-layer electroplating or multi-layer sintered diamond tools that the diamond abrasive grains are only mechanically wrapped, improves the holding power of the matrix to the diamond particles, and fundamentally improves the abrasive, bond, The bonding strength between the three substrates. Compared with traditional single-layer electroplating tools, brazing tools have obvious advantages in ter...

Claims

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