Research Information System
6th International Advanced Technologies Symposium, Turkey, 1 - 04 May 2011, pp.33-36
In this study, the influences of cutting parameters and different heat treatments applied to cutting tools on cutting forces and hole diameters were investigated in drilling of AISI 304 austenitic stainless steel. In the drilling tests, cryogenically treated (CT), cryogenically treated and tempered (CTT), and untreated (U) M35 HSS drills were used. Blind holes were drilled using four different cutting speeds (10, 12, 14, 16 m/min) and three feed rates (0.04, 0.06, 0.08 mm/rev) and a constant hole depth of 13 mm. CT and CTT drills have led to a decrease in range of 10-16%, 13-25% in terms of cutting forces, respectively when compared with U drills. As well as cutting forces, diameter values closest to the nominal diameter (6 mm) were obtained from holes drilled with CTT, CT and U drills, respectively. In addition, %95 and %48 life improvements were provided with CTT drills in the life experiments performed with U and CTT at two different cutting speeds.