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Electroplating process of neodymium-iron-boron magnet

An electroplating process, NdFeB technology, applied in electrolytic process, electrolytic components, cells, etc., can solve the problem that the nickel plating method cannot adjust the electroplating efficiency, and achieve the effect of improving the electroplating efficiency

Active Publication Date: 2022-04-05
宁波市信泰科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This nickel plating method cannot adjust the plating efficiency by adjusting the current density

Method used

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  • Electroplating process of neodymium-iron-boron magnet
  • Electroplating process of neodymium-iron-boron magnet
  • Electroplating process of neodymium-iron-boron magnet

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Embodiment Construction

[0042] In order to further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] like Figure 1-10 As shown, this application provides:

[0044] An electroplating process for neodymium-iron-boron magnets. The electroplating process uses electroplating equipment. The electroplating equipment includes an electroplating pool 1 and a rack 2 that can be placed in the electroplating pool 1. The electroplating equipment also includes magnet electroplating equipment for detecting electroplating baths. The weight detection mechanism of the front and rear weights, the electroplating process includes the following steps,

[0045] S1, placing the pre-treated magnet on the rack 2;

[0046] S2, placing the rack 2 in the electroplating pool 1;

[0047] S3, electroplating the magnet unde...

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Abstract

The invention relates to an electroplating process of a neodymium iron boron magnet, electroplating equipment is used in the electroplating process, the electroplating equipment comprises an electroplating pool, a placing frame capable of being placed in the electroplating pool, and a weight detection mechanism used for detecting the weight of the magnet in electroplating liquid before and after electroplating, and the electroplating process comprises the following steps: S1, carrying out electroplating; the pretreated magnet is placed on the placing frame; s2, placing the shelf in an electroplating tank; s3, electroplating the magnet under the action of current; s4, a weight detection mechanism monitors the weight of the magnet before and after electroplating in real time and sends a signal to the controller; s5, the controller passes through a formula (h is the thickness of the plating layer; delta m is the weight of the plating layer; rho is the plating layer density; and S: the surface area of the magnet), the real-time thickness of the plating layer is calculated until the plating layer reaches the preset thickness, and the real-time weight of the plating layer is monitored through the weight detection mechanism, so that the real-time thickness of the plating layer is calculated, the increase and decrease of the current density are controlled, and the electroplating efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of magnet preparation, in particular to an electroplating process of an NdFeB magnet. Background technique [0002] Permanent magnets are hard magnets, magnets that can maintain their magnetism for a long time, and are not easy to lose their magnetization or be magnetized. Therefore, whether in industrial production or in daily life, hard magnets are one of the most commonly used strong materials. Hard magnets can be divided into natural magnets and artificial magnets. Artificial magnets mean that by synthesizing alloys of different materials, the same effect as natural magnets (magnets) can be achieved, and the magnetic force can also be improved. With the emergence of rare earth permanent magnets in the 1960s, it opened up a new era for the application of magnets. The first generation of samarium cobalt permanent magnet SmCo and the second generation of precipitation hardening samarium cobalt permanent ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/18C25D21/12C25D17/06C25D17/00
CPCY02P10/20
Inventor 许博恒
Owner 宁波市信泰科技有限公司
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