Printed in the Federal Republic of Germany
TR-Electronic GmbH 2016, All Rights Reserved
10/23/2019
TR - ECE - BA - GB - 0120 - 13
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5.2 Hollow shaft
5.2.1 Requirements
As the installation situation is application-dependent, the following notes are not exhaustive.
The measuring system must be installed on a grease-free shaft.
Axial slipping of the measuring system on the drive shaft must be prevented by the fixing of
the clamping ring, see Figure 3.
Further measures may be required to prevent axial slipping of the measuring system.
The clamping of the measuring system must not be axially loaded.
The screw of the clamping ring must be tightened with 3 Nm using a torque wrench.
The screw must be secured against unintentional loosening.
Radial slipping of the measuring system on the drive shaft must be prevented by means of
form closure, using a parallel key / groove combination; the measuring system must be fixed
on the drive shaft using a dowel pin, see Figure 2. The dowel pin must extend at least 4 mm
into the groove insertion.
1: Measuring system
2: Dowel pin
3: Groove insert 4K7, 6 mm deep
4: Groove, 4 mm x 4 mm
5: Parallel key
6: Drive shaft
Figure 2: Form closure
