Grinding and polishing equipment and grinding polishing method

摘要

PURPOSE:To enlarge the application range by performing widely from grind generating to the grind polishing by profiling using a pan like tool by the same device. CONSTITUTION:Grinding of a cup like grindstone 29 for grinding and generating the spherical face or plane of a work 26 and of a pan like tool having uneven spherical face or plane corresponding to the spherical face or plane of a work 26, the selection of a polishing grindstone, the selection of the rotation driving of the work shaft 25 holding a tool shaft 28 equipped with a grindstone and the work 26, and grinding and polishing by the pan like tool from grinding generating are executed by the same device by the setting of a numerical control program. In this case, by following up the work shaft 25 or the tool shaft 28 moved vertically according to the angle rocking operation of the tool at the polishing and grinding times, the holding tools thereof are moved in the axial direction. Consequently the relative sliding between the work shaft 25 or tool shaft 28 and the holding tools thereof is eliminated and the pressurizing force on the work 26 becomes constant at all times.