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Study on the Characteristics of the Laser Triangulation Scanning Probe

SONG Kaichen (Zhejiang University , Hangzhou, China) ZHANG Guoxiong p 385 388  
The characteristics of the laser triangulation displacement sensor, taking LB-12 as an example,are studied in detail based on analyzing the measuring principle of the laser triangulation displacement sensor in this paper. The non-linear errors and inclination errors of LB-12 are compensated, thus the accuracy is greatly improved, and the sensor can be as a non-contact scanning probe to be fixed on a three coordinate measuring machine (CMM), which can achieve non-contact scanning measurement for free-form surface laying randomly in measuring space.
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