Siemens SIMOTICS M-1PH8 - Page 6

3.4.7 Article No. supplement for SH 132 and 160, synchronous-reluctance + holding brake......... 53
3.4.8 Article No. supplements for SH 180 to 225 + holding brake ................................................ 55
3.4.9 Options ............................................................................................................................. 56
3.5 Rating plate data................................................................................................................ 63
4 Mechanical properties ......................................................................................................................... 67
4.1 Cooling.............................................................................................................................. 67
4.1.1 General ............................................................................................................................. 67
4.1.2 Forced ventilation.............................................................................................................. 67
4.1.3 Water cooling .................................................................................................................... 71
4.2 Degree of protection.......................................................................................................... 83
4.3 Construction types............................................................................................................. 85
4.4 Types of bearing ................................................................................................................ 86
4.4.1 Drive output types and bearing versions............................................................................. 86
4.4.2 Bearing lifetime ................................................................................................................. 91
4.4.3 NDE bearings, insulated version (option L27) ..................................................................... 94
4.5 Shaft end........................................................................................................................... 96
4.6 Mounting of rotating unions on 1PH8 hollow-shaft motors................................................. 96
4.6.1 Rotor-supported rotating union .......................................................................................... 99
4.6.2 Bearingless, frame-supported rotating union ................................................................... 103
4.6.3 Mounting information and instructions ............................................................................ 107
4.6.4 Suggestion for an adapter for bearingless, frame-supported rotating unions ..................... 110
4.7 Radial and axial forces...................................................................................................... 111
4.7.1 Radial force...................................................................................................................... 111
4.7.2 Axial force ....................................................................................................................... 113
4.7.3 Permissible radial and axial forces for 1PH808 Premium Performance................................ 115
4.7.4 Radial and axial force diagrams ........................................................................................ 115
4.8 Radial eccentricity, concentricity and axial eccentricity...................................................... 138
4.9 Balancing......................................................................................................................... 140
4.9.1 Requirements .................................................................................................................. 140
4.9.2 Balancing 1PH8 motors with "Premium Performance" bearing version............................... 141
4.10 Vibration response........................................................................................................... 146
4.10.1 Mounting and mounting instructions ............................................................................... 146
4.10.2 Natural frequency when mounted.................................................................................... 148
4.10.3 Misalignment................................................................................................................... 149
4.10.4 Flywheels ........................................................................................................................ 151
4.10.5 Vibration stressing ........................................................................................................... 151
4.11 Vibration severity grade ................................................................................................... 154
4.12 Noise emission................................................................................................................. 155
5 Motor components and options ........................................................................................................ 157
5.1 Motor components .......................................................................................................... 157
5.1.1 Thermal motor protection ................................................................................................ 157
5.1.2 Encoder........................................................................................................................... 158
5.1.2.1 Encoder overview ............................................................................................................ 158
5.1.2.2 Encoder connection for motors with a DRIVE-CLiQ interface.............................................. 159
Table of contents
1PH8 SIMOTICS M main motors
4 Con󹪝guration Manual, 12/2022, A5E51895839A