Siemens 1FK7 Series Instructions

ENGLISH
Siemens AG 610.40 064.01
17
2.1.5 Hollow shaft and key link
The hollow gear shaft has a spiral groove which acts as a grease reservoir and prevents
fretting corrosion.
Fig. 7 Hollow shaft and key link
The machine shaft can be dismounted with the aid of a forcing off disk (see also Chapter
4.2.2.1 “Geared motor with hollow shaft and key link”).
Fig. 8 Dismounting the machine shaft
1 Force off
2Shrink on
2.1.6 Torque bracket
A torque bracket can be mounted on three sides (GS1; GS2; GS5) of bevel gears (coni-
cal/worm gears) by screwing on a drive plate. The corresponding torque bracket can also
be mounted in two positions of rotation.

Siemens 1FK7 Series Specifications

General

Product type	Synchronous motor
Encoder	Incremental encoder, absolute encoder
Cooling method	Natural cooling, forced-air cooling
Degree of protection	IP64, IP65
Speed range	Up to 9000 rpm
Feedback system	Encoder or resolver