Actual Problems in Machine Building 2015 No. 2

Actual Problems in Machine Building. 2015. N 2 Innovative Technologies in Mechanical Engineering ____________________________________________________________________ 120 THE STUDY OF THE INFLUENCE OF THE TOOL PATH ON THE ROUGHNESS OF THE TREATED SURFACE IN MAGNETIC-ABRASIVE MACHINING Ikonnikov A.M., Ph.D. (Engineering), Associate Professor, e-mail: iamagtu@mail.ru Grebenkov R.V., Master’s Degree student, e-mail: sigaset@yandex.ru Silivakin V.S., Ph.D. student, e-mail: lg-kp@yandex.ru I.I. Polzunov Altai State Technical University, 46 Lenin Prospekt, Barnaul, Altai region, 656038, Russian Federation Abstract The authors conduct designed experiments to ascertain the most efficient method of magnetic- abrasive machining. Workpiece surface machining along and across the roughness marks at an angle of 45° to the marks is investigated. In magnetic-abrasive machining of a workpiece the final finish value will depend on the size of surface asperities before machining, on the direction of the feed movement as well as on the processing time. An experimental setup was developed. Each specimen was machined 4 times for 15 seconds. After each stage of processing, roughness was measured on the profilograph-profilometer. The results obtained in the experiment are presented by graphs. After the experiment it was concluded that magnetic-abrasive machining of workpieces across roughness scratches is the most productive method in contrast to the longitudinal machining under the same initial and processing conditions. Keywords magnetic-abrasive machining, surface roughness, duration of treatment, the direction of machining, machining performance