14 WT-120 Goniometer
Mounting the WT-120
1. Move the motion platform of the WT-120 to the center position by hand
until all of the countersunk holes in the base body required for mounting
are accessible (see following illustration).
2. Affix the stage with the screws supplied.
3. Make sure that the screw heads do not protrude from the countersunk
holes.
5.3
Mounting the Load
Requirements
You have read and understood the general notes on installation (see
chapter 5.1).
The load must have an evenness better than 5 µm.
It is necessary to make sure that no dust, dirt or other foreign bodies are
between the load and the axis, otherwise the properties of the axis can be
impaired by mechanical tension.
Mounting material
• DIN 912 screws and DIN 6325 dowel pins, m6 tolerance field
Tightening torques of the mounting screws to be used should not have
values higher than the following:
• M3 DIN 912 1.5 Nm
• M4 DIN 912 2.0 Nm
• M5 DIN 912 2.5 Nm
• M6 DIN 912 3.0 Nm