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BS EN IEC 60072-1:2022 – TC:2023 Edition

BS EN IEC 60072-1:2022 – TC:2023 Edition

$186.33

Tracked Changes. 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 2023 78
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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
1 30470919
47 A-30421204
48 undefined
51 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
53 English
CONTENTS
55 FOREWORD
57 1 Scope
2 Normative references
3 Terms and definitions
58 4 Symbols
4.1 Letter symbols for dimensions
60 4.2 Dimensional sketches
Figures
Figure 1 ā€“ Dimensional sketches
61 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
62 7 Fixing dimensions and tolerances
7.1 General
7.2 Foot-mounted machines
Tables
Table 1 ā€“ Dimensions for machines with shaft height from 56 mm to 400 mm
63 7.3 Flange-mounted machines
Table 2 ā€“ Dimensions and tolerances for flanges with pitch circle diameters from 55 mm to 1 080 mm
64 8 Shaft end dimensions and tolerances
8.1 Shaft end dimenions
65 Table 3 ā€“ Dimensions and tolerances for shaft ends
67 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 ā€“ Tolerance for parallelism shaft to foot face
Table 5 ā€“ Tolerance for parallelism of keyway to shaft axis
68 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 ā€“ Illustration of the measurement of shaft extensions run-out
Figure 3 ā€“ Illustration of the measurement of concentricity
69 9.5 Parallelism of shaft to foot face
Figure 4 ā€“ Illustration of the measurement of perpendicularity
Figure 5 ā€“ Illustration of the measurement of parallelism
70 9.6 Parallelism of keyway to shaft axis
9.7 Lateral displacement of keyway
10 Preferred rated output values
Figure 6 ā€“ Illustration of parallelism of keyway
Figure 7 ā€“ Illustration of lateral displacement of keyway
71 Table 6 ā€“ Preferred rated output values
72 11 Relationships between frame size, shaft extensions, rated outputs and flange numbers
Table 7 ā€“ Totally enclosed fan-cooled induction motors (IC41) with squirrel-cage rotor
73 Table 8 ā€“ Totally enclosed fan cooled induction motors (IC41) with slip ring rotor
74 Table 9 ā€“ Ventilated induction motors (IC01) with squirrel-cage rotor
Table 10 ā€“ Ventilated induction motors (IC01) with slip ring rotor
75 Annex A (informative)Additional relationships for frame sizes and output ratings
Table A.1 ā€“ Relationships between frame size and rated output for 50 Hz increased safety “eb”
76 Annex B (informative)Additional recommended letters and dimensions
Table B.1 ā€“ Additional frame letters and B dimensions in mm
77 Bibliography

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BS EN IEC 60072-1:2022 - TC
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