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Precision alloy material for permanent magnet motor and preparation process thereof

A technology of precision alloys and permanent magnet motors, applied in manufacturing tools, heat treatment equipment, furnace types, etc., can solve the problems of large performance gap of iron-cobalt-vanadium alloy materials, insufficient market competitiveness, complex processing technology, etc., to improve comprehensive performance , Shorten the foreign performance gap, optimize the effect of process parameters and steps

Inactive Publication Date: 2021-04-16
江苏新核合金科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the shortcomings in the prior art, and propose a precision alloy material for permanent magnet motors and its preparation process, to solve the large performance gap between iron-cobalt-vanadium alloy materials and foreign countries, complex processing technology, Problems of high processing cost and insufficient market competitiveness

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  • Precision alloy material for permanent magnet motor and preparation process thereof

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Experimental program
Comparison scheme
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Embodiment 1

[0046]Among the precision alloy materials of the first embodiment of the present invention, the weight percentage of each element is: C: 0.06%, Si: 0.20%, Mn: 0.20%, P: 0.01%, S: 0.01%, Al : 0.10%, Ni0.04%, other impurities ≤0.01%, CO: 53.0%, V: 11.50%, margin is Fe.

[0047]The preparation process of the precision alloy material for the permanent magnet motor of the present invention is as follows:

[0048]Step S1: Raw materials Preparation: According to the precise matching of the design component, the raw materials are formulated with a new material.

[0049]Step S2: Vacuum smelting: Send the original material installation furnace, smelting period vacuum 7.9Pa, refining temperature 1580 ° C, refining time 25 minutes, pouring 35kg electrode rod, air cooling, the furnace, the new pure iron wash, When the impurity component is not reached, the secondary washing is performed.

[0050]Step S3: Electrulary refining: Clean electrode surface impurities in front of the electric slag, using purified p...

Embodiment 2

[0057]In the precision alloy material of the first embodiment of the present invention, the weight percentage of each element is: C: 0.05%, Si: 0.15%, Mn: 0.15%, P: 0.01%, S: 0.01%, Al : 0.05%, Ni0.03%, other impurities ≤0.01%, CO: 51.0%, V: 9.50%, margin is Fe.

[0058]The preparation process of the precision alloy material for the permanent magnet motor of the present invention is as follows:

[0059]Step S1: Raw materials Preparation: According to the precise matching of the design component, the raw materials are formulated with a new material.

[0060]Step S2: Vacuum smelting: Put the configured raw material installation furnace, smelting period vacuum 7.5Pa, refining temperature 1565 ° C, refining time 25 minutes, pouring 35kg electrode rod, out of the mold, and the new pure iron wash before the furnace, When the impurity component is not reached, the secondary washing is performed.

[0061]Step S3: Electrulary refining: Clean electrode surface impurities in front of the electric slag, us...

Embodiment 3

[0068]In precision alloy materials for permanent magnet motors of Embodiment 3 of the present invention, the weight percentage of each element is: C: 0.04%, Si: 0.10%, Mn: 0.10%, P: 0.01%, S: 0.01%, Al : 0.05%, Ni: 0.02%, other impurities ≤ 0.01%, CO: 52.50%, V: 10.50%, margin is Fe.

[0069]The preparation process of the precision alloy material for the permanent magnet motor of the present invention is as follows:

[0070]Step S1: Raw materials Preparation: According to the precise matching of the design component, the raw materials are formulated with a new material.

[0071]Step S2: Vacuum smelting: Put the configured raw material installation furnace, smelting period vacuum 7.8Pa, refining temperature 1550 ° C, refining time 25 minutes, pouring 35kg electrode rod, air cooling, the furnace is used in front of the new pure iron wash, When the impurity component is not reached, the secondary washing is performed.

[0072]Step S3: Electrulary refining: Clean electrode surface impurities in fro...

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Abstract

The invention provides a precision alloy material for a permanent magnet motor. The precision alloy material comprises the following components including, by mass, less than or equal to 0.06% of C, less than or equal to 0.20% of Si, less than or equal to 0.20% of Mn, less than or equal to 0.01% of P, less than or equal to 0.01% of S, less than or equal to 0.10% of Al, less than or equal to 0.04% of Ni, less than or equal to 0.01% of other impurities, 51.0%-53.0% of Co, 9.50%-11.50% of V and the balance Fe. The invention further provides a preparation process of the precision alloy material for the permanent magnet motor. The method comprises the steps of raw material preparation, vacuum smelting, electroslag refining, forging, hot rolling, heat treatment, cold drawing, finished product finish drawing and annealing. By means of the precision alloy material and the preparation process, the components and the process of the alloy material are optimally designed, so that the alloy material has better plastic deformation capacity and soft magnetic property, meanwhile, the preparation process is simplified, the production cost is reduced, the production efficiency is improved, and the market competitiveness of enterprises is improved.

Description

Technical field[0001]The present invention relates to the field of permanent magnet alloy materials, and more particularly to precision alloy materials for permanent magnet motors and their preparation processes.Background technique[0002]Permanent magnet motors provide exciting in permanent magnets, making the motor structure, reduces processing and assembly costs, and saves the assembly loops and brushes that are prone to problems, and improve the reliability of motor operation. There is no excitation current without exciting current, and there is no excitation loss, and the efficiency and power density of the motor are improved.[0003]The most critical is the permanent magnet alloy material, and the iron cobalt vanadium alloy material is currently commonly used permanent magnet alloy material, which has good plastic deformation capability and good magnetic properties. Because of its saturation magnetic induction, in the production of the same When the power of the power, the volume...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/02C22C38/04C22C38/06C22C38/08C22C38/10C22C38/12C21D1/26C21D6/00C21D8/06C21D9/52C22C33/04
Inventor 华鹏夏东兴任国松张加国武冬平邵兴明
Owner 江苏新核合金科技有限公司