On-line measurement and compensation method of position error of inner wall surface of deep pipe
A compensation method and tube inner wall technology, applied in the field of mechanical processing, can solve the problems of restricting the production quality and production efficiency of deep tubes, the dynamic displacement of tool wear and boring tool bars, and the inability to accommodate testing equipment, etc., to achieve expansion flexibility and adaptability, The effect of avoiding blindness and simple measurement accuracy
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[0037] The present invention will be described in detail below in conjunction with the accompanying drawings and specific examples.
[0038] The present invention needs to carry out error value prediction-actual measurement-error evaluation-real-time adjustment-error quantification of the inner wall surface of the deep pipe 20, so as to determine initial processing parameters and complete real-time adjustment during processing. The surface cumulative position error of the inner wall of the deep tube 20 is mainly caused by the forced vibration of the machining process, the overhang of the tool bar 8 and the boring depth, which is expressed as the difference between the ideal machined surface S1 and the actual machined surface S2 of the inner wall of the deep tube 20 , resulting in over-cutting or under-cutting on the inner wall surface of the deep tube 20. With the deepening of the processing and the continuous cutting of the hole wall, the surface position error will show a cum...
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