标准摘要
[中文适用范围]： IEC 60072-2:2025涵盖了工业用途旋转电机的大部分产品，其适用的尺寸范围和输出功率如下：- 轴承底座安装：轴高为355毫米至1000毫米。- 法兰安装：法兰节圆直径为1180毫米至2360毫米。该标准提供了固定尺寸、轴延伸尺寸及其公差的表格。然而，由于轴高超过315毫米的大型电机结构多样，应用范围广泛，因此需要设立较多的尺寸值以涵盖所有可能的构造。因此，本标准所覆盖的范围比IEC 60072-1更广，在此范围内可以选择适用于所有设计或更详细标准化的尺寸值。注：本文件中给出的轴高为355毫米和400毫米的安装尺寸是从IEC 60072-1中选定的。本版取消并替代了1990年发布的首版，本版为技术修订版。与前一版相比，本版包括以下重大技术变更：a) 基于IEC 60072-1进行了全面修订；b) 增加了轴和法兰的额外公差和测量方法（DIN SPEC 42955）。 [外文原描述]： IEC 60072-2: 2025 covers the majority of rotating electrical machines for industrial purposes within the dimension range and output powers: - Foot-mounted: shaft heights: 355 mm to 1 000 mm. - Flange-mounted: pitch circle diameter of flange: 1 180 mm to 2 360 mm. It gives tables of fixing dimensions, shaft extension dimensions and their tolerances. However, the variety of construction and the wide range of applications for the large machines with shaft heights above 315 mm have led to the establishment of a relatively large number of values for the dimension in order to cover all possible constructions. Owing to this, the present part covers a wider range than IEC 60072-1 within which range values suitable for all designs or for a more detailed standardization can be chosen. NOTE The mounting dimensions given in this document for shaft heights 355 mm and 400 mm have been chosen from values given in IEC 60072-1. This second edition cancels and replaces the first edition published in 1990. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) complete revision on the basis of IEC 60072-1; b) additional tolerances and measurements for shafts and flanges (DIN SPEC 42955).
英文名称Dimensions and output series for rotating electrical machines - Part 2: Frame numbers 355 to 1 000 and flange numbers 1 180 to 2 360