Siemens SIMOTICS S-1FT7 User Manual

S-1FT7 synchronous motors
Configuration Manual, 09/2018, A5E45099423B AA
7
Table of contents
Introduction ............................................................................................................................................. 3
1 Fundamental safety instructions ............................................................................................................ 11
1.1 General safety instructions ..................................................................................................... 11
1.2 Equipment damage due to electric fields or electrostatic discharge ...................................... 16
1.3 Industrial security .................................................................................................................... 17
1.4 Residual risks of power drive systems .................................................................................... 19
2 Description of the motors ...................................................................................................................... 21
2.1 Highlights and benefits............................................................................................................ 21
2.2 Intended use ........................................................................................................................... 23
2.3 Technical features and environmental conditions .................................................................. 24
2.3.1 Standards and guidelines ....................................................................................................... 24
2.3.2 Technical features ................................................................................................................... 26
2.3.3 Torque overview ..................................................................................................................... 28
2.3.4 Environmental conditions ........................................................................................................ 30
2.4 Derating factors ....................................................................................................................... 32
2.5 Selection based on the article number ................................................................................... 33
2.6 Rating plate data (type plate) .................................................................................................. 36
3 Mechanical properties ........................................................................................................................... 37
3.1 Cooling .................................................................................................................................... 37
3.1.1 Natural cooling ........................................................................................................................ 37
3.1.2 Forced ventilation .................................................................................................................... 39
3.1.3 Water cooling .......................................................................................................................... 40
3.1.3.1 Cooling circuit ......................................................................................................................... 41
3.1.3.2 Pressure conditions in the cooling circuit................................................................................ 44
3.1.3.3 Specification of the cooling water ........................................................................................... 46
3.1.3.4 Coolant connection ................................................................................................................. 48
3.2 Degree of protection ............................................................................................................... 50
3.3 Types of construction .............................................................................................................. 52
3.4 Bearing versions ..................................................................................................................... 52
3.5 Flange forms ........................................................................................................................... 53
3.6 Shaft extension ....................................................................................................................... 54
3.7 Radial and axial forces............................................................................................................ 54
3.7.1 Sample calculation of the belt pre-tension .............................................................................. 54
3.7.2 Radial force loading ................................................................................................................ 55
3.7.3 Radial force diagrams ............................................................................................................. 56
3.7.4 Axial force loading ................................................................................................................... 60

Siemens SIMOTICS S-1FT7 Specifications

General

Brand	Siemens
Model	SIMOTICS S-1FT7
Category	Engine
Language	English