A kind of manufacturing method of hot-rolled steel strip of magnetic material

A manufacturing method and magnetic material technology, applied in the field of magnetic material hot-rolled steel strip manufacturing, can solve the problems of time-consuming and labor-intensive forging process, difficulty in ensuring quality and mechanical properties, and increasing production costs of enterprises, so as to reduce forging process, facilitate implementation and The effect of control and low production cost
CN109338065BActive Publication Date: 2020-06-19宜兴紫鑫电子新材料有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
宜兴紫鑫电子新材料有限公司
Publication Date
2020-06-19

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Abstract

The invention relates to a manufacturing method of a magnetic material 1J85 hot-rolled steel strip. The manufacturing method comprises the following steps that 1J85 alloy is smelted by a vacuum furnace, a variable-width ingot mold is poured into a flat ingot in a vacuum mode after the smelting is finished, the flat ingot is subjected to surface milling and then heated, and then the flat ingot is rolled through a reversible rolling mill. According to the manufacturing method, the 1J85 hot-rolled steel strip is produced by adopting a process which is directly hot-rolled without a forging process, the production efficiency is improved, and the production cost is saved.
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Description

technical field

[0001] The invention relates to the technical field of manufacturing a magnetic material hot-rolled steel strip, in particular to a method for manufacturing a magnetic material 1J85 hot-rolled steel strip. Background technique

[0002] Because of its high magnetic permeability and low coercive force, the magnetic material 1J85 is widely used in the production of current transformer cores, magnetic heads, magnetic shields and other devices used in military industry, aerospace, electronics, precision instruments and instruments and other industries. The most used magnetic material 1J85 is the cold-rolled steel strip with a thickness of 0.05-0.20mm for making iron cores, and the 1J85 hot-rolled steel strip with a thickness of 4-6mm is a necessary raw material for cold-rolled steel strip.

[0003] At present, the 1J85 hot-rolled steel strips obtained at home and abroad are smelted and cast into round ingots by vacuum induction furnace, and processed into forging ...

Claims

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