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Calibration Method for Lateral Tracking Speed of Laser Tracker |
GAN Xiao-chuan,SUN An-bin,WANG Ji-hu, CAO Tie-ze, MA Li-qun |
Changcheng Institute of Metrology & Measurement, Beijing 100095, China |
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Abstract Calibration statuses of dynamic performances of laser tracker are summarized. According to basic principle, combined demands of dynamic performance of laser track and the limits of tracking speed are studied. The theory of uniform angular speed rotation transformed into uniform linear speed is adopted and calibration device for laser tracker dynamic performances is designed and assembled. The relevant tests are planned. This device is test under different revolution settings. Dynamic performances of laser tracker are tested under different distances with this device. Test results are analyzed. Experiences in test are summed up. Test results indicated that speed variability in uniform rotation is satisfying and could be used in dynamic performance calibration.
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