本文件规定了可以定义但通常无法在计算机上找到的质量方面 图纸规格。 它包括以下内容: -灰铸铁或钢制单件活塞环；-由铸铁零件和弹簧组件组成的多件式活塞环（控油环）；和-单件和多件钢制控油环，即带钢形式的控油环 带有弹簧扩张器组件的组件或钢段（轨道）。交叉引用:ISO 6621-1ISO 6626-2ISO 6621-2ISO 6627ISO 6623ISO 6624-3ISO 6624-1ISO 6624-4ISO 6621-4ISO 2859-1ISO 6622-1ISO 6626-3ISO 6621-3ISO 6625ISO 6622-2ISO 6624- 2ISO 6626购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies quality aspects that can be defined but that are not normally found on a drawing specification. It covers the following: — single-piece piston rings of grey cast iron or steel;— multi-piece piston rings (oil control rings) consisting of cast iron parts and spring components; and— single-piece and multi-piece oil control rings of steel, i.e. oil control rings in the form of strip steel components or steel segments (rails) with spring expander components.Cross References:ISO 6621-1ISO 6626-2ISO 6621-2ISO 6627ISO 6623ISO 6624-3ISO 6624-1ISO 6624-4ISO 6621-4ISO 2859-1ISO 6622-1ISO 6626-3ISO 6621-3ISO 6625ISO 6622-2ISO 6624-2ISO 6626All current amendments available at time of purchase are included with the purchase of this document.