Apparatus and method for mirror surface grinding and grinding wh

Details Apparatus and method for mirror surface grinding and grinding wh Apparatus and method for mirror surface grinding and grinding wh

1995-02-14

1997-06-17

Gorski, Joseph M.

Electrolysis: processes, compositions used therein, and methods

Electrolytic erosion of a workpiece for shape or surface...

Gap maintenance or defined tool-workpiece gap

205658, 205663, 205670, 205684, C25F 316, C25F 330, C25F 700

Patent

active

056393636

ABSTRACT:
An apparatus and a method for mirror surface grinding which enables high quality, stable ELID grinding; and a grinding wheel for electrolytic dressing. The apparatus comprises a grinding wheel 3 having a contact surface 2 for contacting a workpiece 1, an electrode 4 facing the surface 2, nozzles 5 for supplying conductive fluid between the grinding wheel 3 and the electrode 4, and a power source 6 and feeder 7 for applying a voltage between the grinding wheel and the electrode 4. The bond material, which is selected from among iron, ferrous metal, cobalt, nickel and combinations of two or more thereof, along with grains and sintering aid are molded together and sintered to obtain the conductive grinding wheel. Next, a conductive water-soluble grinding fluid containing an alkanolamine and anions is supplied between the grinding wheel and the electrode, and a pulse wave voltage is applied between the grinding wheel and the electrode to dress the grinding wheel electrolytically during grinding.

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