The non-contact
open measuring systems are for high displacement
velocities and high accuracies,
commonly used in clean environments.
Non-contact open encoders rely on the air gap between
the encoder head and scale to be uniform over the
measuring range. The flatness of the mounting surface
and the parallelism of the machine guideway is
important.
Depending on the version of the measuring system, two
different measuring scales are available:
glass (partially ROBAX glassceramic) or steel .
System
resolution |
Measuring scale,
Special |
Overall size |
Type/Series |
| 5 µm to 0,05 µm |
steel tape scale |
small version |
MS 30 series |
| 100 µm to 0,1 µm |
glass scale or steel tape scale |
compact version |
MS 50 series |
| 10 µm to 0,1 µm |
glass scale or steel tape scale |
flat version |
MS 61 series |
| 0,1 µm to 0,01 µm |
glass scale |
small version |
MS
80 |
| 2 µm to 0,1 µm |
glass panel |
small version |
TDE 60 |
| 1,25 µm to 0,1 µm |
steel tape scale on steel
carrier
guided by ball bearings |
small version |
MSG 10 |
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