METHOD FOR DETERMINING ROUGHNESS DEGREE OF SURFACE OF PART AT CUTTING IT IN METAL CUTTING MACHINE TOOL Russian patent published in 2001 - IPC

FIELD: machine engineering, possibly active control of roughness of surface of part being cut, mainly in lathes. SUBSTANCE: method comprises steps of registering signal of acoustic emission; determining roughness degree of part surface according to registered signal; determining area of spectrum of acoustic emission signal and evaluating roughness degree on base of relation of spectrum areas of registered signal of acoustic emission and set beforehand reference signal of acoustic emission. EFFECT: enhanced accuracy at evaluating roughness degree, enlarged manufacturing possibilities. 3 dwg, 1 tbl, 1 ex