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BS EN IEC 60072-1:2022

BS EN IEC 60072-1:2022

$142.49

Rotating electrical machines. Dimensions and output series – Frame numbers 56 to 400 and flange numbers 55 to 1080

Published By Publication Date Number of Pages
BSI 2022 32
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This document is applicable for the majority of rotating electrical machines for industrial purposes within the dimension range and output powers: Foot- mounted: shaft heights: 56mm to 400mm Flange- mounted: pitch circle diameter of flange: 55mm to 1080mm It specifies the fixing dimension, shaft extension dimensions and the assignment of output powers and frame sizes.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
9 FOREWORD
11 1 Scope
2 Normative references
3 Terms and definitions
12 4 Symbols
4.1 Letter symbols for dimensions
14 4.2 Dimensional sketches
Figures
Figure 1 – Dimensional sketches
15 5 Designations of machines
5.1 Frame sizes
5.2 Flange numbers
5.3 Shaft extension
6 Location of the terminal box
6.1 Machines with feet
6.2 Machines without feet
16 7 Fixing dimensions and tolerances
7.1 General
7.2 Foot-mounted machines
Tables
Table 1 – Dimensions for machines with shaft height from 56 mm to 400 mm
17 7.3 Flange-mounted machines
Table 2 – Dimensions and tolerances for flanges with pitch circle diameters from 55 mm to 1 080 mm
18 8 Shaft end dimensions and tolerances
8.1 Shaft end dimenions
19 Table 3 – Dimensions and tolerances for shaft ends
21 8.2 Parallelism of shaft to foot face
8.3 Parallelism of keyway to shaft axis
8.4 Lateral displacement of keyway
9 Methods of measurement
9.1 General
Table 4 – Tolerance for parallelism shaft to foot face
Table 5 – Tolerance for parallelism of keyway to shaft axis
22 9.2 Shaft extensions run-out
9.3 Concentricity of spigot and shaft
9.4 Perpendicularity of mounting face of flange to shaft
Figure 2 – Illustration of the measurement of shaft extensions run-out
Figure 3 – Illustration of the measurement of concentricity
23 9.5 Parallelism of shaft to foot face
Figure 4 – Illustration of the measurement of perpendicularity
Figure 5 – Illustration of the measurement of parallelism
24 9.6 Parallelism of keyway to shaft axis
9.7 Lateral displacement of keyway
10 Preferred rated output values
Figure 6 – Illustration of parallelism of keyway
Figure 7 – Illustration of lateral displacement of keyway
25 Table 6 – Preferred rated output values
26 11 Relationships between frame size, shaft extensions, rated outputs and flange numbers
Table 7 – Totally enclosed fan-cooled induction motors (IC41) with squirrel-cage rotor
27 Table 8 – Totally enclosed fan cooled induction motors (IC41) with slip ring rotor
28 Table 9 – Ventilated induction motors (IC01) with squirrel-cage rotor
Table 10 – Ventilated induction motors (IC01) with slip ring rotor
29 Annex A (informative)Additional relationships for frame sizes and output ratings
Table A.1 – Relationships between frame size and rated output for 50 Hz increased safety “eb”
30 Annex B (informative)Additional recommended letters and dimensions
Table B.1 – Additional frame letters and B dimensions in mm
31 Bibliography

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BS EN IEC 60072-1:2022
$142.49