A RENDERING METHOD OF TECHNOLOGY OPTIONS FOR MACHINING EQUIPMENT THROUGH GRAPH THEORY ATTRIBUTES

A technical approach to information support for the machine work process design is presented, which is aimed at creating intelligent computer-aided design systems and implementing technological processes, taking into account the real production situation. The introduction of computer-aided design of manufacturing activity is slowed down due to the lack of available scientific and methodological principles and practical methods for designing databases that meet the basic requirements for ensuring the necessary quality of information processing and focusing on the needs for solving problems in real production conditions. The main reason for this is the lack of initial information, which can be formalized from design and technological documentation without the involvement of an engineer. Including data on processing machines and technological equipment, which makes it possible, based on a comparison of the available real technological capabilities of each piece of equipment and the characteristics of parts (workpieces), to carry out the necessary design procedures for the development of manufacturing activities. The structure of the interrelationships between the individual parameters and characteristics of the surfaces of the machined part and the means of technological equipment, the sequence of the formalized description of the presented scheme using graph theory as a mathematical tool technique, is developed. The elements of connections are designed that describe: the influence of the process used for the quality indicators change in case of the treated surface within the framework of a separate technological transition; the maximum dimensions, the qualitative characteristics of the base surfaces used and the requirements for their relative spatial arrangement for the equipping variant of the selected technological equipment in the coordinate system of the equipment; the ranges of the working area of processing, taking into account the set of parameters of the bases and operating surfaces of the part with the elements of the technological equipment. The result of the graphing, on the basis of which a relational database is formed, is a clearly structured information support for the implementation of a set of design procedures, focused on the analysis of definitive and operational dimensional relationships. The development of a procedural framework of the information support base for the creation of automated technological preparation systems ensures both: real state of existing systems and the current situation in the field of process development management, are taken into account.

mechanical facilities, process design of machining production, definitive dimensional relationships, databases, computer-aided design systems.