This article describes how to plan the tool path and analyze the surface of the machined part by working simultaneously on two basic operations such as milling and turning. New machine tools allow parallel processing of both multi-axis tools at the same time, it is a production technology in which the workpiece and the tool are simultaneously rotating. This relatively new turnmilling technology could be an alternative to increasing productivity in many applications. Especially in cases involving heavy-duty materials or large diameters of machined surface. The aim of this study is to explore this new technology, especially with regard to the increased precision and quality of the surface of the workpiece. Experimental results show that the combination of these two operations is suitable for precise machining of rotationally symmetrical workpieces with high surface finish.

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The forging tool has its irreplaceable location across a wide range of industrial production including automotive, aviation and bearing industry. The use of forging tools in serial production has led to a huge increase in consumption of forging tools. By following the productivity and economic benefits of using the tools, the need for rapid and flexible tool renovation is also growing. It is primarily based on the reliable identification and analysis of cracks occurring during operation. This article deals with the application of non-destructive detection technology in assessing the size of the defects of forging that arise in the molding process.