T/ZZB 3476-2023 Active Group standards

T/ZZB 3476-2023 Sintered neodymium-iron-boron magnetic material for computer hard disk voice coil motor

Publish Date: 2023-11-20 Implement Date: 2023-12-10 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/ZZB 3476-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Rare earth metals and their alloys

ICS Name: Other non-ferrous metal products

Publish Date: 2023-11-20

Implement Date: 2023-12-10

Pages: 17 pages

Scope

Main technical content: This document specifies the terms and definitions of sintered NdFeB magnets for computer hard disk voice coil motors, simplified grade notation methods, basic requirements, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage, and quality commitments. This document is applicable to sintered NdFeB magnets (hereinafter referred to as magnets) used in swing-arm voice coil motors for computer hard disks, which are manufactured by powder metallurgy and then subjected to mechanical processing and surface treatment processes.