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ANALYSIS AND CORRECTION OF THE MEASURING ERROR IN THE UNIVERSAL LENGTH -MEASURING INSTRUMENT

ZHAO CUIJI (Department of Engineering)  
In the paper, by measuring oxygen-free copper bowl work, temperature error in the universal length-measuring instrument, elastic deformation of the measuring system and the relation between partial plastic deformation of surface of measured work and measuring force are studied and analyzed. As a result, method of correcting errors in measurement is found out, thus improving measuring precision.
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