In order to evaluate the vertical rotating function of the rotating laser, based on the mathematical model of the vertical error, we analyzed the influencing factors of the vertical rotating function of the rotating laser, established functional evaluation parameters, built a test device for vertical error, designed an evaluation scheme of vertical rotating function. Finally, we carried out the measurement experiment of vertical rotating function parameters of the rotating laser.
The article analyzes the composition of the Rotating Laser vertical error based on the vertical plane working principle of the rotating laser and build a three-dimensional coordinate system based on a vertical plane established by optical axes of two collimators which is symmetrically distributed in ±β° relative to horizontal axis. Using the sine and cosine theorems of spherical triangles, the formula of the inclination error of the vertical level plane of the rotating laser is deduced. Using the formation characteristics of cone-angle error, the formula of cone-angle error of horizontal level plane is used as of vertical rotating plane. Finally, we build a mathematical model of the vertical error
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