How to Control the Product Quality of NdFeB Permanent Magnet

NdFeB permanent magnets are also called modern industrial monosodium glutamate. As a high-performance magnetic material of modern industry, it promotes the progress of contemporary technology and society. It is widely used in various fields. How to judge the advantages of permanent magnet products: 1. magnetic properties; 2. The size of the magnet; 3. surface coating.

NdFeB permanent magnet is also called modern industrial monosodium glutamate. As a high-performance magnetic material of modern industry, it promotes the progress of contemporary technology and society. It is widely used in various fields. How to judge the advantages of permanent magnet products: 1. magnetic properties; 2. the size of the magnet; 3. surface coating.

1. Magnetic Properties

First of all, the key to the decision is to control the magnetic properties of the raw materials in the production process.

1, raw material manufacturers according to business needs or mid-range or low-grade sintered NdFeB, in the raw materials to buy raw materials of the national standards, the company only sells NdFeB.

2. The advanced nature of the production process also determines the performance quality of the magnet.

3. Quality control in the production process is important.

2. Magnet Shape Size and Tolerance Value

Use various shapes of NdFeB magnets, such as round, special-shaped, square, tile, trapezoidal. Different sizes of materials are processed by different machine tools to cut rough materials. Advanced technology and machine operators determine the accuracy of the product.

3. surface coating treatment

surface coating quality, zinc, nickel, nickel copper nickel plating copper and gold plating process. According to customer requirements on the product plating options work. The pros and cons of the quality of NdFeB products, a brief summary, is to grasp the performance, size tolerance control, judge the appearance of the coating detection and evaluation. Detection of Gaussian surface of magnet magnetic flux, such as testing; Dimensional tolerance, accuracy that can be measured with vernier caliper; The color and brightness of the coating and the binding force of the coating can be observed through the appearance of the smooth surface of the magnet, with or without spots and with or without edges and corners, so as to evaluate the quality of the product.

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How to Control the Product Quality of NdFeB Permanent Magnet

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