IEC 63182-5:20 21规定了对机械互换性重要的尺寸的优选范围，并给出了由金属磁粉制成的圆柱形芯的表面不规则性允许限值的指南。 本文件是在磁粉芯供应商和用户之间关于表面不规则性的谈判中有用的规范。

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.