 Gear meshing deformation measurement Gear meshing deformation measurement Cooperate with military academy to measure the deformation of gear side in meshing process Inspection scheme overview The measuring range of the system is 400 mm X300 mm. Two industrial cameras (5M, 35 frames) are used to capture the speckle patterns on the surface of the gear meshing process in real time. Through camera calibration, stereo matching and 3D reconstruction, the 3D coordinates, displacement field and strain field of the object surface are finally obtained. Inspection process （1）Speckle pattern are prepared on gear side; （2）Setting up camera position and calibrating camera internal and external parameters;
（3）Gear engagement rotation, camera synchronization data acquisition;
（4）Data analysis.
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