Manganese ring machining process

A technology for processing technology and ring products, which is applied in the field of processing technology improvement, can solve the problems of deformation of half rings and low rejection rate of magnetic rings, and achieve the effect of eliminating stress and ensuring quality.

Active Publication Date: 2020-11-17
扬州宝宣机械有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] Manganese zinc ferrite magnetic ring, also known as manganese zinc magnetic ring, manganese ring, is one of the commonly used devices to filter out high-frequency interference signals, and is one of the commonly used anti-interference devices in motors. The general manganese ring manufacturing process is to After the raw materials are mixed and calcined, they are injection molded to form a semi-finished product, and then the semi-finished product is magnetized to form a magnetic ring. During the processing of the magnetic ring, the entire circular magnetic ring needs to be cut to form a pair of magnetic half rings. However, the semi-ring processed in this way is prone to deformation due to stress, and the scrap rate of the magnetic ring is low.

Method used

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Embodiment Construction

[0011] In the following, the present invention will be further described in conjunction with specific implementation methods. It should be noted that, on the premise of not conflicting, the various embodiments or technical features described below can be combined arbitrarily to form new embodiments.

[0012] Manganese ring processing technology, including the following steps:

[0013] Raw material preparation steps: 65-67.5% of ferric oxide, 19-22.5% of trimanganese tetraoxide, 13-15% of zinc oxide, 0.8-1.5% of copper oxide and 0.8-1.45% of dicobalt oxide Pre-mixed after crushing;

[0014] In the manganese ring forming step, the powdery raw materials are mixed and calcined, and then injection molded to form a manganese ring semi-finished product, and then the manganese ring semi-finished product is tempered and heated, cut off, and cooled naturally; The manganese ring is cut off, and then the cut manganese ring is left to cool to room temperature, so that the stress can be el...

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Abstract

Disclosed is a manganese ring machining process. The invention relates to a machining method, in particular to an improvement of a machining process of a magnetic ring. According to the manganese ringmachining process, the magnetic ring is not prone to deformation after being machined, and the rate of finished products is high. The preparation method comprises the following steps: a raw materialpreparation step: a manganese ring forming step: mixing and calcining powdery raw materials, carrying out injection molding to form a manganese ring semi-finished product, tempering and heating the manganese ring semi-finished product, cutting off, and naturally cooling; and finishing step. After tempering, the manganese ring is cut off at a high temperature, and then the cut-off manganese ring isstood and cooled to the room temperature, so that the stress effect can be eliminated to the maximum extent, it is ensured that no stress is generated in the cutting-off process, the pair of semi-rings cannot deform under the stress effect, and the quality of the manganese ring is ensured.

Description

technical field [0001] The invention relates to a processing method, in particular to an improvement of a processing technology of a magnetic ring. Background technique [0002] Manganese zinc ferrite magnetic ring, also known as manganese zinc magnetic ring, manganese ring, is one of the commonly used devices to filter out high-frequency interference signals, and is one of the commonly used anti-interference devices in motors. The general manganese ring manufacturing process is to After the raw materials are mixed and calcined, they are injection molded to form a semi-finished product, and then the semi-finished product is magnetized to form a magnetic ring. During the processing of the magnetic ring, the entire circular magnetic ring needs to be cut to form a pair of magnetic half rings. However, the semi-ring processed in this way is prone to deformation due to stress, and the reject rate of the magnetic ring is low. Contents of the invention [0003] In order to overc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F41/02H01F13/00
CPCH01F41/0253H01F13/003
Inventor 陈艳兴陈亦蓁
Owner 扬州宝宣机械有限公司
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