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Method for manufacturing amorphous alloy stator iron core of high-frequency motor

A technology of amorphous alloy and stator core, which is applied in the field of preparation of amorphous alloy stator core, can solve the problems of increasing current, etc., achieve the effects of reducing eddy current loss, good product consistency and stability, and conducive to mass production

Inactive Publication Date: 2010-12-08
李振 +1
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Problems solved by technology

Secondly, the monolithic thickness of the amorphous alloy is relatively thin, the thickness is only 0.03mm, and the surface of the material is not very flat, so the lamination factor can only reach 82% to 86%, so the air gap between the laminations increases the magnetic circuit. Reluctance and the current required to run the motor

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  • Method for manufacturing amorphous alloy stator iron core of high-frequency motor
  • Method for manufacturing amorphous alloy stator iron core of high-frequency motor

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Embodiment Construction

[0010] In the present invention, the conventional amorphous alloy powder is used as the raw material, and the amorphous alloy powder and the binder are fully and uniformly mixed; then the amorphous alloy powder mixed with the binder is placed in a mold and press-molded to form the desired shape and size the stator core. Amorphous alloy powder and binder are mixed at a ratio of 100:5 to 100:20; the binder is epoxy resin, varnish, acrylic resin, cyanoacrylate and other insulating materials; during the process of mixing amorphous alloy powder and binder The temperature is 120°C to 180°C; the pressure during the press molding process is 70MPA to 90MPA; the dwell time during the press molding process is 5 minutes to 10 minutes.

[0011] Such as figure 1 As shown, the embodiments of the present invention are as follows. Since the production of amorphous alloy powder has a set of mature technology, the raw materials of amorphous alloy powder of required shape and size can be directl...

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Abstract

The invention relates to the technical field of motor manufacture, in particular to a method for manufacturing an amorphous alloy stator iron core of a high-frequency motor. The method comprises the following steps of: sufficiently and uniformly mixing amorphous alloy powder and an adhesive, wherein conventional amorphous alloy powder is used as a raw material of the stator iron core; and putting the amorphous alloy powder mixed with the adhesive in a die for pressure forming, wherein the amorphous alloy powder and the adhesive are mixed by a proportion of (100:5)-(100:20), the adhesive is prepared from insulating materials such as epoxy resin, and the like, the temperature for mixing the amorphous alloy powder and the adhesive is 120-180 DEG C, pressure in the pressure forming process is70-90MPA, and the pressure maintaining time in the pressure forming process is 5-10 minutes. The invention has the advantages of simple and convenient manufacture, good product consistency and stability and benefit to mass production. Eddy-current loss, no-load loss and magnetic hysteresis loss which are caused by the stator iron core are greatly reduced while working under a high frequency, thereby the purposes of energy saving and high efficiency are achieved.

Description

[0001] Technical content: [0002] The invention relates to the technical field of motor manufacturing, in particular to a method for preparing an amorphous alloy stator core of a high-frequency motor. Background technique: [0003] The high-frequency motor is realized by a frequency higher than 50HZ, and the general stator uses a high magnetic permeability material to ensure the total magnetic flux per unit time, but the stator made of this high magnetic permeability material (such as silicon steel sheet) It will generate large eddy current loss and hysteresis loss, resulting in waste of energy, so it is difficult to meet people's use needs. With the advancement of science and technology, it is found that amorphous alloys have the characteristics of high saturation magnetic induction and low loss, so amorphous alloys have been more and more widely used in electronics, aviation, aerospace and other fields, so it can also be realized in high applications in frequency motors. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K15/02
Inventor 李振李季霞
Owner 李振
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