Abstract
Introducing the methods and procedures for predictive analysis into the design process contours of a variety of machining tools (MT) of metal cutting machines is the main aim of this article. A sequence of realization of prediction object (PO) choice as an initial stage of search of perspective designs is offered. Effective in this regard is the "Tree of objectives" apparatus, on the basis of which many ways of improving MT are formed, selecting progressive (reducing the dimension of the problem) at each level of the hierarchy of the constructed graph-tree. The procedure for selecting the prediction method (PM) as a means of generating the forecast data is developed. The task of choosing a method is structured in detail and uses "Information supply"as the main criterion. To this end, assessment scales of choice criteria have been formed, on the basis of which it is possible to evaluate their effectiveness for the PM selection process. The rules forPOcoding are introduced by a three-element information code, including information source classes – static data, expert estimates and patent data. The process of forecasting the MT components by the method of engineering forecasting on the basis of a representative patent fund is realized. The General Definition Table has been built (GDT "Machining tools") and estimates of the prospects of design solutions have been obtained. A fragment of the database of 3D models of promising MT designs in the integrated computer-aided design KOMPAS-3D is proposed.
Highlights
In the process of making design decisions, the machine tool builder faces the problem of identifying and using the most avant-garde technical solutions
Models and procedures for the rational choice of tooling structures using methods of engineering forecasting based on analysis of development trends and patent funds in the area under consideration have been developed
An approach is proposed for solving the problem of choosing the forecasting method, which is not limited to the use of expert estimates and the coding of data on the specifics of the object and the forecasting method, but is solved by singling out the main criterion “Information supply”
Summary
In the process of making design decisions, the machine tool builder faces the problem of identifying and using the most avant-garde technical solutions. The main areas of improvement in the machine tool industry include: increasing the processing capacity, improving the accuracy of manufacturing and expanding the technological capabilities of modern equipment. In accordance with the basic principle of differentiation and concentration of technological operations, different technological equipment is provided for metal-cutting machines. The developers are faced with the task of creating databases of tooling for CNC machine tools. This task is related to the problem of determining the trends in the development of the main aggregates of machine tools and tool systems, cutting and auxiliary tools. In the outline of the complex database “Tooling”, the central element will be a section of 3D and parametric models of tools, taking into account perspective structures presented in patent funds
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