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Tolerances for Ndfeb neodymium magnets

Aug 15, 2024

     When the customer selects the neodymium magnet used in the product, the first is to select the shape of the neodymium magnet and other performance requirements according to the nature of the product and the use of the requirements. An important issue related to size is the tolerance of the strong neodymium magnet, because the processing tolerance range of the Neodymium iron-boron magnet is crucial to ensure the performance and assembly of the magnet.

 

measure the block neodymium magnets

 

     The tolerance of neodymium magnets refers to the range of dimensional deviations allowed in the manufacturing process. Tolerances are set to ensure that the produced neodymium magnet meets the requirements and will work properly in the application.

 

     The specific neodymium magnet tolerance depends on a number of factors, including the size, shape, and use of the magnet. In general, the tolerance of neodymium magnets can include the following aspects:

 

     1. Dimensional tolerance: for length, width, height and other dimensional parameters, the maximum allowable deviation range is developed, usually using millimeters or microns as units.

 

     2. Magnetic tolerance: relates to the magnetic characteristics of neodymium magnets, such as magnetization, residual magnetic induction, etc. These tolerances are usually expressed as percentages or specific values.

 

custom ndfeb magnets

 

     3. Surface treatment tolerance: relates to the surface treatment of neodymium magnets, such as plating, covering, etc., specifies the allowable range of surface roughness, coating thickness, etc.

 

     It should be noted that different application areas and use requirements may have different requirements for tolerances of neodymium magnets. Some precision applications may have more stringent tolerance requirements, while others may be relatively lenient.

 

     Usually, we will use a micrometer to measure the size of neodymium magnets. When using a micrometer to measure, ‌ the operator needs to have certain professional skills and experience, ‌ to ensure the accuracy of the measurement. ‌ In addition to ‌ micrometer, ‌ there are other measuring tools such as vernier caliper, ‌ Gauss meter, ‌ flux meter and film thickness meter are also used for the detection of Ndfeb magnets, ‌ of which the film thickness meter is mainly used to measure the coating thickness of finished NdFeb magnets.

block rare earth magnets

 

     Ultimately, ensuring that the tolerances of neodymium magnets meet the requirements is key, and the manufacturing quality and performance of neodymium magnets can be ensured through quality testing and control.

 

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