Aircraft skin milling efficient machining path automatic generating method
A technology for processing trajectory and aircraft skin, applied in computer control, instruments, simulators, etc., can solve problems such as insufficient flexibility, low processing and programming efficiency, programming stability, poor quality, etc., to achieve high accuracy and reduce programming. Workload, the effect of strong applicability
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[0053] The following is a detailed description of the technical solution of the present invention in conjunction with the accompanying drawings.
[0054] A method for automatically generating high-efficiency machining trajectories for aircraft skin milling, such as Figure 1-8 shown. The skin sag mainly includes the sag bottom B B , sunken bottom corner surface B BC and sunken top surface B T , the tool path is generally selected to be generated on the bottom surface, and the tool is moved along the bottom surface during processing. The tool axis is selected as the normal direction of the current tool contact, and the line along it is the tool path. The generation method is as follows:
[0055] 1. Obtain the geometric elements of the cavity characteristics of the sag to be processed, and analyze the convex and concave characteristics of the contour, and based on the curvature characteristics of the sag bottom, combine the processing resource library to determine the tool pa...
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