Experimental investigation on micromilling of austenitic stainless steel
by Dirk Biermann; Markus Steiner
International Journal of Nanomanufacturing (IJNM), Vol. 8, No. 3, 2012

Abstract: This paper presents the results of experimental investigations on the micro-machinability of the austenitic stainless steel 1.4301 under dry cutting conditions. Two different types of coated carbide micro end-milling cutters with a diameter of d = 1 mm were used. Applying a central composite design for the experimental investigations, the effects of the process parameters cutting speed v_c, depth of cut a_p, width of cut a_e and feed per tooth f_z on the process forces were analysed. It was found that the cutting speed v_c had nearly no influence on the active force F_a. The feed per tooth f_z is the major factor influencing the active force F_a for the defined parameter range. The achievable surface roughness and the tool wear were analysed as well. Based on the experimental results a range for suitable cutting parameters was identified and a comparison of two different tool designs was done.

Online publication date: Thu, 21-Aug-2014

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