Planning Guide AC Servomotors 1FT5 - Siemens Automation and ...
Planning Guide AC Servomotors 1FT5 - Siemens Automation and ...
Planning Guide AC Servomotors 1FT5 - Siemens Automation and ...
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05.03<br />
2.3 Axial forces<br />
Axial force stressing<br />
!<br />
© <strong>Siemens</strong> AG 2003 All rights reserved<br />
<strong>AC</strong> <strong>Servomotors</strong> <strong>1FT5</strong> (PFT5) – 05.03 Edition<br />
Technical Data <strong>and</strong> Characteristics<br />
Warning<br />
Axial forces are not permissible for motors with integrated holding brake!<br />
2.3 Axial forces<br />
When using, e.g. helical gearwheels as drive element, in addition to the radial<br />
force, the motor bearings are also subject to an axial force. For axial forces,<br />
the spring–loading of the bearings can be overcome so that the rotor moves<br />
corresponding to the axial bearing play present (up to 0.2 mm).<br />
The permissible axial force can be approximately calculated using the following<br />
formula:<br />
FA = 0.35 � FQ<br />
�<br />
<strong>1FT5</strong>/2-75
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