PT Journal AU Janos, K TI Alternative machining procedures of hardened steels SO Manufacturing Technology Journal PY 2011 BP 32 EP 39 VL 11 IS 1 DI 10.21062/ujep/x.2011/a/1213-2489/MT/11/1/32 DE grinding; hard turning; alternative machining; hardened steel AB This paper outlines the hard machining procedures, their applicability, the increase of their efficiency and the possibilities provided through their combination. It focuses on the advantages of the cutting and grinding compared to each other and also on the cases when it is appropriate to apply them or possibly combine them. ER