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Production process of motor arc-shaped magnetic shoe

A production process and arc-shaped technology, applied in the manufacture of inductors/transformers/magnets, circuits, electrical components, etc., can solve problems such as large product performance deviations, increased production costs, and strong temperature sensitivity. It is not easy to achieve product efficiency , reduce production costs and avoid quality problems

Pending Publication Date: 2021-08-06
安徽群兴磁材科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, conventional small materials such as CaCO3, Al2O3, SiO2 and kaolin are added in the production process of the motor magnetic tile, and rare earth materials such as cobalt and lanthanum are added to the raw materials to improve the Hcj value of the product; the rare earth materials not only increase the production cost , and the sensitivity of rare earth materials to temperature is very strong, and the occurrence of exceeding a certain temperature or sintering climate can easily cause large deviations in product performance

Method used

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  • Production process of motor arc-shaped magnetic shoe

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Embodiment

[0019] A production process of an arc-shaped magnetic tile for a motor, the production process for an arc-shaped magnetic tile for a motor comprises the following steps:

[0020] S1: Ball milling processing of raw materials for the production of arc-shaped magnetic tiles for motors;

[0021] S2: The raw material after ball milling is formed into the arc-shaped magnetic tile blank of the motor by wet pressing molding process;

[0022] S3: Sintering operation of the formed motor arc-shaped magnetic tile blank;

[0023] S4: Grinding and quality inspection of the arc-shaped magnetic tile of the motor after sintering;

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Abstract

The invention relates to the technical field of motor equipment processing, in particular to a production process of a motor arc-shaped magnetic shoe. The production process of the motor arc-shaped magnetic shoe comprises the following steps of S1, carrying out ball-milling processing operation on production raw materials of the motor arc-shaped magnetic shoe; S2, forming a motor arc-shaped magnetic shoe blank from the ball-milled raw materials by adopting a wet pressing molding process; S3, sintering the molded motor arc-shaped magnetic shoe blank; and S4, performing grinding machining operation and quality inspection of the sintered motor arc-shaped magnetic shoe. According to the production technology of the motor arc-shaped magnetic shoe, in the production process of the motor arc-shaped magnetic shoe, rare earth materials such as cobalt and lanthanum are replaced with additive raw materials such as silicon dioxide and strontium sulfate, so that on one hand, the production cost is reduced, and on the other hand, the performance deviation of the product can be kept stable.

Description

technical field [0001] The invention relates to the technical field of motor equipment processing, in particular to a production process of arc-shaped magnetic tiles for motors. Background technique [0002] Because magnetic tiles are mainly used in various permanent magnet DC motors, such as: servo motors, brushed motors for electric vehicles, brushless motors, motorcycle starter motors, energy-saving motors, and automotive motors; so it is also called motor magnetic tiles (arc Shaped magnetic steel); Usually, the magnetic tile of the motor needs to withstand a temperature above 100°C; [0003] In the prior art, conventional small materials such as CaCO3, Al2O3, SiO2 and kaolin are added in the production process of the motor magnetic tile, and rare earth materials such as cobalt and lanthanum are added to the raw materials to improve the Hcj value of the product; the rare earth materials not only increase the production cost , and the sensitivity of rare earth materials t...

Claims

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Application Information

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IPC IPC(8): B22F5/00B22F9/04B22F3/02B22F3/24B22F3/10H01F41/02
CPCB22F5/00B22F9/04B22F3/02B22F3/10B22F3/24H01F41/02B22F2009/043B22F2003/247
Inventor 曹群
Owner 安徽群兴磁材科技有限公司
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