Method and device for three-dimensionally measuring complex curved surface parts through multi-optical-sensor cooperation
An optical sensor and complex curved surface technology, applied in the field of precision measurement, can solve the problems of difficult accurate measurement, long cycle, difficult normal measurement, etc.
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[0028] The working principle of the measurement method of the present invention is as follows: first, the global coordinate system calibration is carried out on the combined measuring head, so that the surface structured light visual sensor and the cone light polarization holographic sensor work in the same coordinate system; then the surface structured light in the combined optical measuring head is used to The visual sensor quickly measures the complex surface parts, obtains massive 3D point cloud data of the parts, processes the point cloud data, and determines the holes and discontinuous areas of the measurement data. The 4-axis control system drives the conoscopic polarization holographic sensor to move to the corresponding The position is precisely measured, and the complete point cloud data of the part is finally obtained. Workflow such as figure 1 .
[0029] Measurement method provided by the invention comprises the steps:
[0030] Step 1, calibrate the parameters of...
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