Directions of Development of the CАМ-systems
Journal: Journal of Engineering Sciences (Vol.2, No. 2)Publication Date: 2015-12-29
Authors : Y. V. Petrakov; V. V. Pysarenko; O. S. Mackivsky;
Page : A7-A13
Keywords : CAM-system; CNC machines; control of cutting process;
Abstract
The article presents the analysis of methods of control of machining processes on CNC machines based on a priori, on-line and a posteriori information. The control of a priori information involves the task of stabilizing of cutting process on the criterion of material removal rate through computer simulation, which is performed in accordance with the developed algorithm. On-line control aims at the stabilization of certain characteristics of cutting process, such as cutting power, and provides for the establishment of adaptive feedback control system, which is carried out programmatically through the sensors of the CNC. Control on a posteriori information could be used to improve the accuracy of treatment. The algorithm of such control in a single production involves the design of trajectory which is corrected during a second pass based on the measurement results of error after the first pass.
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