3. Main equipment found in NMIs
In the 360° field, there are three main technologies:
mechanically indexed trays ;
platens equipped with one or more angle encoders;
and finally, turntables based on the principle of laser gyros.
3.1 Indexing trays
Angle plates generate angles by rotating an end solid relative to a fixed solid.
In the field of metrology, the best-known products are Moore trays .
The technology of these chainrings is based on circle division, materialized...
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Main equipment found in NMIs
Principle of angular sector measurement
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