T/MBJX 0007-2021 Active Group standards

T/MBJX 0007-2021 Test specification for multi-pole magnetic ring of permanent magnetic material

Publish Date: 2021-11-08 Implement Date: 2021-11-08 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/MBJX 0007-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrical alloy parts

ICS Name: Magnetic materials

Publish Date: 2021-11-08

Implement Date: 2021-11-08

Scope

Scope: This document applies to various permanent magnet materials, including permanent magnet alloys such as neodymium-iron-boron, samarium-cobalt, samarium-iron-nitrogen, aluminum-nickel-cobalt, iron-chromium-cobalt, and various composite permanent magnets. The applicable permanent magnet materials include multi-pole magnetic rings, including isotropic magnetic rings and anisotropic magnetic rings. Main technical content: Multi-pole magnetic rings made of permanent magnet materials are widely used in the motor industry. However, different enterprises and units often have different testing methods for such magnetic rings, which often lead to problems during benchmarking. Based on industry information and experience, the testing of such magnetic rings includes the following contents: visual inspection, dimensional measurement, and surface magnetic performance testing. This specification elaborates on these contents item by item and recommends using this standard as the acceptance standard for both supply and demand sides of such magnetic ring products. This document specifies the terminology and definitions, testing devices, test samples, testing methods and requirements, records, and test reports for multi-pole magnetic rings made of permanent magnet materials.