Integration of stages of preparation of production of high-precision small parts on CNC machines

Abstract

To integrate the stages of technological preparation of the production of high-precision small-sized parts of coaxial radio components on CNC machines, the features of the production of parts and the standard functionality of Computer-Aided Manufacturing (CAM) systems were studied. The study was carried out using theoretical methods - classification analysis and generalization to further simulate the methodology of creating and verifying control programs. A classification of these parts has been developed by the type of equipment, standard designs, serial production, design parameters, and tool. The possibilities of the extensibility of the functions of CAM systems, the existing methods of creating, testing and debugging control programs are considered. An example of a successful expansion of the functionality of a standard CAM system in the radio-electronic industry is given – a module for increasing machining accuracy without changing the cutting mode by adjusting the mutual positioning of the tool and the workpiece. Requirements for the formulation of a specialized combined methodology of creating and verifying control programs using the existing verification capabilities and minimal use of debugging and verification directly on the machine have been developed. The methodology includes the creation and use of reference books of job-proved processing modes, in which the number and size of burrs are minimal, as well as a library of control programs equipped with a search system for the parameters of differences in the design of parts, the materials used, and the tool. The methodology is intended to minimize the labor costs of the programmer technologist to create, verify and debug control programs, and to reduce the machining content of experimental work on conducting field experiments for verification of control programs.