Modeling method for swing angle milling head complete machine based on block modeling and experimental parameter identification
A parameter identification and experiment technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of no setting of boundary conditions, low model accuracy, lack of experimental verification of simulation results, etc., to achieve Accurate combination of surface and structural stiffness, predicting accurate effects
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[0028] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0029] like figure 1 In the process shown in the flow chart of the method, according to the structure of the swing head, the joint surface between the structures and the bearing are used as the interface to determine the module division and sampling points;
[0030] According to the divided modules, a three-dimensional finite element model is established respectively, and the complex structure is appropriately simplified;
[0031] According to the division of modules, the machine tool is split, and the corresponding models are respectively stimulated to obtain the frequency response function and the transfer function between sampling points;
[0032] According to the frequency response function collected by the experiment, using the optimization module that comes with Ansys, with the joint surface stiffness parameter as a variable, the solution...
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