GB/T 4772.1-1999

GB/T 4772.1-1999 旋转电机尺寸和输出功率等级 第1部分： 机座号56~400和凸缘号55~1080（英文版）

Dimensions and output series for rotating electrical machines—Part 1: Frame numbers 56 to 400 and flange number 55 to 1080

1999-02-26

1999-09-01

61

10.00元

是

1,200.00元

Word/PDF

Contents
IEC FOREWORD
1 Scope
2 Normative References
3 Letter-symbols for dimensions
4 Designation of machines
5 Location of the terminal box
6 Position of holes in the mounting flange
7 Fixing dimensions
8 Shaft extension, keys and keyways dimensions. Greatest permissible torques on continuous duty for a.c. motors
9 Tolerances for flange-mounted machines
10 Preferred rated output values
11 Dimensional sketches
Annex A (Informative) Guide for the selection of dimensions
Annex B (Informative) Reference planes and symbols for mounting dimensions of rotating electrical machines
Annex C (Informative) General requirements on tolerances and limit values for mounting dimensions

GB/T 4772.1–1999 英文版 English Version