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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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

Method used

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Example Embodiment

[0012] The present invention can be explained in detail through 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 smelting furnace, and put 3.5kg chromium with a particle size of 10-15mm into the four compartments of the hopper. After the material is loaded, the lid is closed and vacuumed. When the vacuum degree is less than 10Pa, it is heated by electricity. When the copper block starts to melt, the vacuum is stopped, and 0.01-0.02MPa argon is filled. Continue to power on until the copper block is completely melted. Add chromium metal in batches through the hopper, and control the time interval between the previous batch of metal chromium addition. After the previous batch of metal chromium is basically melted, add the next batch of metal chromium. After adding chromium metal, refining for 15 minutes. After refining, adjust the copper liqu...

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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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