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Preparation method of diamond tool carcass powder FeCu30

A diamond tool and matrix powder technology, which is applied in the field of preparation of diamond tool matrix powder FeCu30, can solve problems such as difficult control, reduce the service life of the furnace body, and aggravate the burning of the furnace wall, so as to achieve good sharpness and life, and improve Gripping force, effect of reducing wetting angle

Inactive Publication Date: 2016-10-26
西峡县泰祥实业有限公司
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AI Technical Summary

Problems solved by technology

This method requires high water pressure for atomization, long atomization time, and low production efficiency, which will easily lead to an increase in the oxygen content of the powder, aggravate the burning loss of the furnace wall, and reduce the service life of the furnace body.
Reduction treatment and crushing treatment are carried out, the process is complex and difficult to control, and the hardness and flexural strength of the prepared FeCu30 alloy powder are limited

Method used

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Embodiment Construction

[0012] The present invention can be explained in detail by the following implementation steps.

[0013] 1. Preparation of copper-chromium master alloy

[0014] Put the weighed 54.8kg copper block into the bottom of the graphite crucible in the vacuum melting furnace, and put 3.5kg of chromium with a particle size of 10-15mm into four equal bins of the feeding hopper. After the filling is completed, the lid is closed and vacuumed, and when the vacuum degree is less than 10Pa, it is powered on for heating. Stop vacuuming when the copper block starts to melt, and fill it with 0.01-0.02MPa argon. Continue to send electricity until the copper block is melted, add metal chromium in batches through the hopper, control the time interval between the front and back batches of metal chromium, and wait until the previous batch of metal chromium is basically completely melted, then add the next batch of metal chromium. After metal chromium is added, refine for 15 minutes. After refining,...

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Abstract

The invention discloses a preparation method of diamond tool carcass powder FeCu30. The preparation method comprises the steps of: (1) preparation of a copper-chromium intermediate alloy; (2) preparation of a copper-chromium-zirconium alloy; and (3) preparation of FeCu30. The method enables the copper-chromium-zirconium alloy to have excellent stability and higher metal chromium yield, and can shorten the smelting time of the copper-chromium-zirconium alloy; and a diamond tool produced by powder containing two micro elements of chromium and zirconium is excellent in sharpness, life and self sharpness.

Description

technical field [0001] The patent invention relates to vacuum induction smelting and intermediate frequency electric furnace smelting technology, especially a preparation method of diamond tool matrix powder FeCu30. Background technique [0002] Diamond has unparalleled high hardness, and it was the best tool for processing hard materials (such as ceramics and jewelry) in early human production activities. The development of modern industry in the 18th century required a large number of diamond tools. People use techniques such as mechanical clamping, riveting and brazing to manufacture diamond tools. Since the 1930s, with the development of powder metallurgy technology, it has caused a technological revolution in the manufacturing process of diamond tools. At present, the diamond tools manufactured by powder metallurgy technology have the advantages of good sharpness and good holding force of the matrix to the diamond. In recent years, with the development of diamond tool...

Claims

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Application Information

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IPC IPC(8): C22C33/06C22C38/16C22C38/18C22C38/14B22F9/08C22C26/00
CPCC22C33/06B22F9/082B22F2009/0848C22C26/00C22C38/14C22C38/16C22C38/18
Inventor 朱新娟张新岐符立金杨建林高伟
Owner 西峡县泰祥实业有限公司
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