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The current trend in the development of mechanical engineering around the world in the development, mastering and implementation of new technologies that improve the quality of products, reduce the labour intensity, material consumption and production costs. A rational choice of workpieces for the manufacture of parts is a fundamental criterion that determines the cost of a part, its quality, production time and service life. However, a variety of methodsfor manufacturing workpieces creates significant difficulties in their rational choice. The variety of requirements (sometimes contradictory) for the workpieces further complicates the task of their rational selection. Shaft parts are the most common in mechanical engineering. Manufacturing of forgings for them is possible by the method ofclassical flash forging or by the method of cross-wedge rolling. Moreover, both methods have their advantages and disadvantages, so that the decisive factor in choosing a technology may well be the cost of forging. However, the technologist does not have a useful tool for a preliminary comparison of the influence of technological parameters on the final price. This estimate is usually limited to comparing material consumption (material consumption rate) and labour intensity (performance). With the expansion of the model range of manufacturing enterprises, the part range significantly increases, and the range of hot forgings is growing accordingly. The terms of technological manufacturing preparation for such positions are relatively tight. Design for manufacturability and launch of manufacture is mainly carried out on the basis of experience in illogical products. It should be noted that technologists have no time to think about the price-quality ratio and the use of alternative technologies. In addition, due to the increasing requirements for quality and reduction of production costs, the number of changes in the range of serially produced parts is growing. Often, savings in one cost item entail an increase in overall production costs or deterioration in the quality of products. Thus, a technologist, when working on a new order, shall understand how the use of an alternative technology or a change in an existing technological process will affect the cost price. This article is devoted to the establishment of the technological process parameters that have the most significant impact on the cost and quality of forgings. That is, it should be possible to maintain a "cost - quality" balance when working out a new order or changing a serial technology.

Development of a Methodology for Evaluating the Impact of Technological Parameters of Hot Forging on Quality and Cost