The influence of the burnishing on technological quality of elements of part shipping machines

The processing influences with burnishing on improvement of quality of surface workpiece not only across significant improvement of roughness profitably, but also by boost near unchanged structure of core of material the superficial hardness. It is the type of superficial plastic processing realized near use cutting off as finishing off processing machine tools, strengthening and formative. Burnishing can replace traditional methods of finishing such as grinding, honing and super finishing and even. The use in building of machines finds the row of elements about folded shape, the variables which are subject on burden. Fatigue strength of such elements can burnishing be enlarged across processing, and their dependent durability has been for many factors. The not only selection of suitable constructional materials, and the influence has on length of cycle of life device the proper conception of realization. The quality of part plays considerable part from what it is executed, applied during their production technology on her influences and the quality of top layer is the most practically important with decisive about usable value of article factors that is his ability to fulfilling exploational requirements. In the construction machinery is used a number of elements of complex shape, which arę exposed to variable loads (crankshafts, drive shafts and camshafts). Fatigue resistance of such elements used in shipbuilding can be improved by burnishing. It was the aim of paper the determination the influence of radius of curve roll burnishing on strain hardening of surface layer of shaft from stainless steel.