A wheel rim processing machine which includes an oscillating table rotation base. A workbench is provided on an extending section of the oscillating table rotation base. A power source is provided on the work bench. A connecting element is connected to the workbench for connecting a power cylinder provided at a bottom side thereof and a plurality of gripping jaws lined with a griping jaw arrangement at a top side thereof. The connecting element is provided with an outer gear. The retaining arrangement on the connecting element has a connecting rod shaft element which is penetratedly fastened to the gripping jaw arrangement via pin elements. A block, which is provided below the connecting element at an inner side thereof, is connected to a pivot connecting element connected which retains the power cylinder below the connecting element via at least one screw element.