PI N-331, Руководство пользователя, Страница: 15 / 30

User Manual
PZ271E, valid for N-331
KSch, 1/18/2021
Physik Instrumente (PI) GmbH & Co. KG, Auf der Roemerstrasse 1, 76228 Karlsruhe, Germany Page 15 / 30
Phone +49 721 4846-0, Fax +49 721 4846-1019, Email info@pi.ws , www.pi.ws
Fixing the N-331 by Its Runner
Figure 10: Examples for decoupling elements; Left: For lateral fixing, right: For axial fixing
NOTICE
Mechanical overload due to high torques and high forces!
High torques when fixing the runner to an assembly can overload the drive’s runner.
Mechanical overload can damage the drive.

Hold the runner firmly to prevent it from moving when tightening the screws.

Pay attention to the maximum permissible forces according to the maximum values for
torque and forces (p. 24).

Avoid tilting torques on the runner.

The coupling between runner and assembly must be very stiff in the runner’s motion
direction, here along X axis, but flexible in Y and Z axes.
See Figure 10 for a drive with two examples for decoupling elements: these allow a stiff
coupling and prevent force or torque on the runner when the runner is fixed to the
assembly.

Make sure that displacement of the runner in Y and Z directions does not occur.
The runner can be fixed to an assembly on both sides of the runner.
Figure 11: Lateral views of drive: Fixing the runner with M4 screws
1 M4 inner thread in the runner, at side with cable exit
2 M4 inner thread in the runner, at the opposite side