DETERMINATION OF CUTTING TEMPERATURE WHILE MILLING TITANIUM ALLOY BY FACE MILLS

Богдан Миколайович Середенко

Abstract


In this article, the analysis process features high-speed cutting, which mainly attributed to the cutting temperatures depending on the speed of processing. Shows that depending on the design and tool size main criterion decrease temperature cutting not always characterized by high-speed processing. The reason for this is the rise temperature to values at which to change properties of the materials surface layer. To determine the cutting temperature of titanium alloys processing, we carried mechanical milling process simulation with mill Ø160 by finite element method. Defined temperature on contact surfaces at cutting speeds between 80 and 250 m/min. In this range of speed observed temperature cutting increase. Established, with cutting speeds higher 80 m/min workpiece surface have temperature at which the fragile layer formed. The simulation results verified experimentally in the milling of titanium alloy VT6.

Keywords


face mill; titanium alloy; temperature; modeling; cutting speed

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DOI: http://dx.doi.org/10.20535/2305-9001.2016.78.84954

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