MEASURING MACHINE PROVIDED WITH A SYSTEM FOR COMPENSATING MEASURING ERRORS DUE TO THERMAL EXPANSION OF A SCALE OF A LINEAR TRANSDUCER
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United States of America Patent
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Issued Date -
Sep 12, 2013
app pub date -
Mar 6, 2013
filing date -
Mar 7, 2012
priority date (Note) -
Abandoned
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Abstract
A measuring machine comprising a member mobile along an axis, an optical scale extending parallel to the axis, a first reading head, which is carried by the mobile member and co-operates with the optical scale, an additional sensor carried by the mobile member, and a processing unit co-operating with the first reading head and with the additional sensor for detecting data correlated with the state of thermal expansion of the optical scale.
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