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Manufacturing method of split type and incomplete split type non-magnetized permanent magnets and incomplete split type non-magnetized permanent magnet

A manufacturing method and non-magnetization technology, applied in the direction of inductance/transformer/magnet manufacturing, permanent magnets, electrical components, etc., can solve problems such as difficult mass production and increased processing time

Active Publication Date: 2016-12-07
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to mass-produce due to the increased processing time of dividing all the blocks and then geometrically bonding all the blocks

Method used

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  • Manufacturing method of split type and incomplete split type non-magnetized permanent magnets and incomplete split type non-magnetized permanent magnet
  • Manufacturing method of split type and incomplete split type non-magnetized permanent magnets and incomplete split type non-magnetized permanent magnet
  • Manufacturing method of split type and incomplete split type non-magnetized permanent magnets and incomplete split type non-magnetized permanent magnet

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Embodiment Construction

[0023] Technical terms used in this specification are only used to describe specific exemplary embodiments, and do not limit the present invention. As used herein, singular forms are intended to include plural forms unless expressly stated otherwise. It should also be understood that when used in this specification, the term "comprising" specifically indicates the stated features, regions, integers, steps, operations, elements and / or components, but does not exclude other stated features, regions, integers , the presence or addition of steps, operations, elements and / or parts.

[0024] Unless otherwise indicated, it should be understood that all terms used in this specification, including technical terms and scientific terms, have the same meanings as understood by those skilled in the art. It must be understood that the terms defined by the dictionary have the same meaning in the context of the art, and they should not be defined ideally or overly formally, unless the contex...

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Abstract

A manufacturing method of split type non-magnetized permanent magnet may include manufacturing an anisotropic block having a uniformly aligned magnetization determining direction. A first cutting operation of cutting the anisotropic block in a direction which is perpendicular to the magnetization determining direction is performed. A grain boundary diffusion is performed on the plurality of slit blocks. Adhering surfaces of the plurality of split blocks to each other which are cut by the first cutting operation is performed. A second cutting operation of cutting the block in a direction is performed which is perpendicular to the magnetization determining direction and the first cutting direction.

Description

technical field [0001] The present invention relates to a method for manufacturing split type and incomplete split type non-magnetized permanent magnets and incompletely split type non-magnetized permanent magnets, and more particularly, to a method capable of reducing eddy current loss A method for manufacturing split and incompletely split non-magnetized permanent magnets and an incompletely split non-magnetized permanent magnet. Background technique [0002] Traditionally, permanent magnet motors have been used as drive sources for electric vehicles or electric railcars. As one example of its structure, a permanent magnet motor may include a stator on which coils are mounted, and a rotor on which permanent magnets are mounted and connected to a drive shaft. The motor is made to rotate by supplying an alternating current to the rotor and alternating the polarity. [0003] However, when the motor is rotationally driven, a large eddy current is generated in the permanent m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F41/02H01F7/02
CPCH01F41/0253H01F41/0293
Inventor 金廷式文相勋金京范朴建慜曹炯俊
Owner HYUNDAI MOTOR CO LTD