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Method for manufacturing electrical steel sheet product

A technology for electrical steel sheets and manufacturing methods, applied in chemical instruments and methods, layered products, metal layered products, etc., can solve the problems of high-temperature adhesion and poor high-temperature oil resistance of automobile drive motors, and achieve excellent high-temperature oil resistance. Excellent high temperature adhesion and high temperature oil resistance, the effect of reducing vibration and noise problems

Active Publication Date: 2021-07-23
浦项股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantages of the technology are poor high-temperature adhesion and high-temperature oil resistance required by automobile drive motors.

Method used

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  • Method for manufacturing electrical steel sheet product
  • Method for manufacturing electrical steel sheet product
  • Method for manufacturing electrical steel sheet product

Examples

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Embodiment Construction

[0038] In the present specification, the first, second, and third and other terms are used in order to illustrate a variety of portions, ingredients, regions, layers, and / or cross-sections, but are not limited thereto. These terms are only used to distinguish some parts, ingredients, regions, layers, or cross-sections from other portions, components, regions, layers, or sections. Thus, the first portion, component, region, layer, or section described below can be said to be a second portion, component, region, layer or cross section in the limitation of the scope of the invention.

[0039] In the present specification, it is said that some part "includes" a constituent element, which means that other constituent elements may also be included as long as there is no particular opposition, and other components may also be included.

[0040] The professional terms used in this specification are only used for specific embodiments, and is not intended to limit the invention. As long a...

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PUM

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Abstract

A method for manufacturing an electrical steel sheet product according to an embodiment of the present invention comprises the steps: preparing an adhesive coating composition; forming an adhesive coating layer by applying the adhesive coating composition onto the surface of an electrical steel sheet and hardening same; forming a heat-fused layer by stacking a plurality of electrical steel sheets each including the adhesive coating layer formed thereon and heat-fusing same; and cooling the heat-fused electrical steel sheets at a cooling rate of 0.05 to 20 DEG C / min.

Description

Technical field [0001] The present invention relates to a manufacturing method of an electrical steel sheet article. More specifically, a method of manufacturing an electrical steel sheet article that is bonded to each other with a plurality of electrical steel sheets by a bonding solution applied to an electrical steel sheet. Further, it is directed to a method for producing an electrical steel sheet article of an electrical steel sheet between the electrical steel sheet by a cooling condition of a thermally welded and article manufacturing method by means of a bonded solution. Background technique [0002] The non-tuning electrical steel plate is a steel sheet of all directions in all directions. It is widely used in the core, electric motor, small transformer, etc. of the motor, generator. Non-tailor electrical steel sheets are divided into two forms, one is to improve magnetic properties in order to improve magnetic properties after stamping, the other is that the financial t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B7/12B32B15/01B32B37/12
CPCB32B7/12B32B15/18B32B15/043B32B2255/26B32B2255/06B32B2509/00B32B2605/08C09D163/00B32B37/08B32B38/0036B32B2037/1276B32B2037/1253B05D5/10B05D2504/00B05D2601/22B32B37/12C08K3/36C08K3/22B32B15/011B32B37/1207B32B7/025B32B37/10B32B37/1284B32B2307/20C08K3/32C08K2003/329C09J163/00
Inventor 金正雨河奉宇卢泰英李同揆
Owner 浦项股份有限公司
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