IEC 63182-5:2021 PDF

Name: IEC 63182-5:2021 — Magnetic powder cores - Guidelines on dimensions and the limits of surface irregularities - Part 5: Cylinder-cores
SKU: IEC 63182-5:2021
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Magnetic powder cores - Guidelines on dimensions and the limits of surface irregularities - Part 5: Cylinder-cores

Название (английский):

IEC 63182-5:2021

Magnetic powder cores - Guidelines on dimensions and the limits of surface irregularities - Part 5: Cylinder-cores

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 20
Дата публикации:: 29 ноября 2021 г.
Издание:: IEC IS 63182 edition 1 version 1
ICS:: 29.100.10

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Описание (английский):

IEC 63182-5:2021 specifies the preferred range of the dimensions that are of importance for mechanical interchangeability and gives the guidelines on allowable limits of surface irregularities for cylinder-cores made of metallic magnetic powder. This document is a specification useful in the negotiations between magnetic powder core suppliers and users about surface irregularities.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

IEC 63182-5:2021 is an international standard published by the International Electrotechnical Commission (IEC) that provides guidelines on the dimensional specifications and surface irregularity limits of magnetic powder cylinder-cores. Magnetic powder cores are key components in electronic and electrical devices, often used to enhance magnetic properties in inductors and transformers. This standard specifies preferred size ranges for mechanical interchangeability and establishes acceptable thresholds for surface defects such as chips, cracks, and rust. By harmonizing these parameters, IEC 63182-5:2021 facilitates clear communication and negotiation between magnetic powder core manufacturers and end users, ensuring consistent quality and reliable performance in applications.

Key Topics

Primary Dimensions: The standard specifies precise diameter and height ranges for various cylinder-core sizes. Mechanical interchangeability depends on maintaining these dimensions within defined limits to ensure compatibility in device assemblies.

Surface Irregularities: IEC 63182-5:2021 defines surface irregularities common to cylinder-cores including chips, ragged edges, cracks, flashes, rust, and discolorations. These defects are critically evaluated with quantifiable limits:

Chips and Ragged Edges: Minimum distinguishable chip area is 0.5 mm². Maximum cumulative chip area on the flat end surface must not exceed 3% of that surface’s area, while on the side surface, the limit is 6%. Ragged edges are limited to less than 20% of the perimeter on flat end surfaces.
Cracks: Different categories of cracks, according to location (side surface vs. flat end surface) and size, have specified maximum allowable lengths relative to core dimensions. Some crack types, especially those extending beyond certain intersections, are deemed unacceptable.
Flash: Any excess material on the core surface (flash) must be limited to a thickness no greater than 0.2 mm.
Rust: Rust presence is allowed up to a cumulative area of 25% on the same surface, provided it does not degrade electromagnetic properties or mechanical integrity.

Reference and Compliance: This part 5 of IEC 63182 series builds upon IEC 63182-1 for general specifications, and supports derived standards specifying component parts in detail, ensuring flexible yet consistent production and quality assurance.

Applications

IEC 63182-5:2021 serves multiple practical purposes in industries relying on magnetic powder cores such as:

Magnetic Component Manufacturing: Manufacturers can design and produce cylinder-cores conforming to precise dimensional and surface quality requirements, promoting interchangeability and reducing component rejection rates.

Quality Control and Inspection: Inspection teams use the defined surface irregularity limits to assess product conformity, maintaining product reliability and operational longevity in electrical equipment.

Supplier-User Negotiations: The standard provides a common reference for defining acceptable surface conditions and dimensional tolerances, minimizing disputes and facilitating smoother procurement processes.

Design and Engineering: Engineers designing inductors, transformers, and magnetic assemblies use the standard’s specifications to ensure parts fit correctly and perform as expected in their electromagnetic roles.

Certification and Compliance: Entities engaged in certification can refer to IEC 63182-5:2021 for verifying product conformance during quality audits.

Related Standards

IEC 63182-1: General Specifications – Provides foundational definitions and general guidelines for magnetic powder cores, applicable across different core shapes including cylinder-cores.

Other Parts of IEC 63182 Series – Detail guidelines and limits for other core geometries and specific manufacturing requirements, enabling comprehensive standardization across magnetic powder core types.

International Electrotechnical Vocabulary (IEV) – Supports consistent terminology used in IEC 63182-5 and other related electrotechnical standards.

Conclusion

IEC 63182-5:2021 is an essential standard for anyone involved with magnetic powder cylinder-cores, defining mechanical dimension ranges and the limits for surface irregularities to ensure interchangeability and quality. It facilitates clear communication between suppliers and users, supports quality assurance in manufacturing, and helps designers incorporate reliable magnetic components into their products. Adhering to IEC 63182-5 enhances consistency, reduces risk of failure, and supports innovation in the magnetic components industry. For detailed technical requirements and compliance, stakeholders are encouraged to consult the full IEC 63182-5 documentation.

IEC 63182-5:2021 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Conclusion

Технические детали

BS EN IEC 63182-4:2022

Magnetic powder cores. Guidelines on dimensions and the limits of surface irregularities - Block-cores

BS EN IEC 63182-1:2020

Magnetic powder cores. Guidelines on dimensions and the limits of surface irregularities - General specificat…

BS EN IEC 63182-5:2022

Magnetic powder cores. Guidelines on dimensions and the limits of surface irregularities - Cylinder-cores