barrel burnishing

  Aaron · 2010-08-06 19:20 · 29044 次点击

Thesmoothingofsurfacesbymeansoftumblingtheworkinrotatingbarrelsinthepresenceofmetallicorceramicshot,andintheabsenceofabrasive.Inballburnishing,theshotconsistsofhardenedsteelballs.