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The article presents the research results referring to the analysis of the influence of cutting parameters on value of cutting forces during turning pins of shaft. For the monitoring of forces during lathing process used Kistler dynamometer. The dynamometer is used for dynamic and quasistatic measurements of the 3 orthogonal components of any forces acting on the cover plate (Fx radial force, Fy feed force and Fz cutting force). The turning process was carried out on a universal CU500MRD/1000 centre lathe. The research was performed on a shaft made of 7020 aluminium alloy. Chemical composition of aluminium alloy was measured by Solaris-ccd plus optical spectrometer. The finishing turning process was carried out by cutting tool with CCGT09T302-DL removable insert by Duracarb. During turning the following machining parameters were used: cutting speed, feed and depth of cut. The goal of the paper was to define the influence of treatment conditions on values of forces during turning process, and thus monitoring the wear of the cutting insert. Key-Words: 7020 aluminium alloy, turning process, cutting forces Received: April 9, 2020, Revised: July 20, 2020. Accepted: August 3, 2020. Published: August 6, 2020.

The Possibility of Monitoring Forces during Turning Process of Shafts Made of AW-7020 Aluminium Alloy for Variable Treatment Conditions