Small module arc gear non-contact optical fine measurement method
A circular arc gear, optical precision technology, applied in the field of precision measurement, can solve the problems of maximum tooth thickness deviation, geometric parameter tooth pitch deviation, difficult to measure, etc.
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[0065] See attached figure 1 , a non-contact optical precision measurement method for small modulus arc gears, the steps are as follows:
[0066] Step 1, collecting microscopic images of small modulus arc gears;
[0067] Use the machine vision detection system to collect the microscopic image of the small modulus arc gear. The machine vision detection system includes a mobile platform in the three directions of X, Y and Z, which can realize the precise positioning of the detection object; when collecting, the small module The digital arc gear is placed on the inspection platform, and by adjusting the moving platform in the three directions of X, Y, and Z, the small modulus arc gear can be clearly imaged within the field of view of the camera, the image is collected, and the captured picture is saved;
[0068] See attached figure 2 , step two, using the BP neural network algorithm to automatically and accurately identify the edge of the small modulus arc gear image;
[0069...
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