Effect of burnishing parameters on surface microhardness in the burnishing of non-ferrous metals

The rules of the effect of burnishing parameters on surface microhardness during the burnishing processing of non-ferrous metals with polycrystalline diamond tools has been investigated Two kinds of materials, Al-alloy LY12 and brass H62 were used as the workpiece materials. The different burnishing parameters - burnishing depth, burnishing feed rate, and burnishing speed ( spindle revolution speed) are concerned. According the results of the elements regression experiments the linear regression equation is obtained from which it can be seen that burnishing feed rate f is the most significant parameter that affects the surface microhardness, while the spindle revolution speed n has the smallest effect.