GUAN Rong-feng, ZHAO Jun-liang, LI Feng-yun, CUI Yan-ling, QIAO Song. Automatic measurement of turbine rotor bend using laser scanning technology[J]. Editorial Office of Optics and Precision Engineering, 2003,(5): 487-491
GUAN Rong-feng, ZHAO Jun-liang, LI Feng-yun, CUI Yan-ling, QIAO Song. Automatic measurement of turbine rotor bend using laser scanning technology[J]. Editorial Office of Optics and Precision Engineering, 2003,(5): 487-491DOI:
For the great importance of measuring turbine rotor bend for both inspection and repair of turbines
an automatic measurement system
which uses a rotating mirror for scanning
double slots for scanning speed calibration
an optoelectric detector for optoelectric change-over
and a microprocessor for processing
display and printing of data
is proposed for measuring turbine rotor bend using laser scanning technology. Experimental results show that the automatic measuring system is capable of doing remote non-contact measurements of turbine rotor bends with an accuracy of ±5 μm from 4 m away.
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references
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