The present paper proposes a new method of ultra-precision machining-the cutting-burnishing method, which maximizes the burnishing effect between the cutting tool and the workpiece during a cutting process. This method reduces production cost by using inexpensive cutting tool materials and machining at a high material removal rate. Based on this method, turning experiments have been performed using workpieces of tungsten-based alloys 50 mm in diameter and 10 mm in thickness. The highest quality surface, of surface roughness Rz equal to 0.13 μm, was achieved using an alumina ceramic cutting tool on a CNC lathe under the following cutting conditions: undeformed chip thickness 5 |im, feed rate 10 urn/rev and cutting speed 9.4 m/min.
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