|
|
|
|
| Verticality
of suspension shaft is adjusted
with differential |
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| micrometric
screws (0.07 mm resolution fine) and with PZT |
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| (much
finer and from remote). Driving signal comes from |
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| main sensors (as
an offset fixed in non rotating frame) |
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| (3 Micrometric
screws at 120° and 3 PZTs
at 120°) |