Efficiency increase of the manufacture technological preparation on the basis of CAD/CAM/CNC systems
DOI:
https://doi.org/10.31498/2225-6733.36.2018.142541Keywords:
production organization, CNC machine tools, САМ, CAD, CNC systems, parametric programming, object-oriented technologiesAbstract
Problems and prospects for CNC machines programs preparation have been considered, ways of their development and further prosecution have been established, which are recommended to be followed by specialists of a particular enterprise when organizing production preparation structures. The analysis of the organization of technological preparation of production carried out in this work is aimed at obtaining the answer to the main question: whether a technologist is developing a technology and a program or the CNC machine operator is responsible for developing a program for the approved technology. Parameterization of the program, the next stage of which is the creation of programs for object-oriented technology is offered as the solution of the given dilemma - in full accordance with the CAD models of parts.Such an approach is the foundation for an object-oriented projecting that is the next stage in developing programming for CNC machines. Attention is paid to the development of parametrized object-oriented modules for programs, making up "classes" and "class methods" for processing surfaces with identical geometry. In this case, the task of the technologist is to create a library of parameterized modules for control programs for processing typical surfaces for a particular production. Then it becomes possible to transfer a program assembled from the modules to the workshop, where the CNC machine operator will record the actual parameters for that particular part. The implementation of such an interrelationship "technologist-NC operator" necessitates a qualitatively new approach to the development of control programs that provide not only the proper shaping trajectory, but control the accuracy and roughness of the surfaces to be machined proceeding from the elements of the program and the disturbances compensationReferences
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