| 摘要 |
The invention relates to a method for producing an oil retaining ring (1), and to an oil retaining ring (1). The method comprises the following steps: primary forming of a blank, which has a groove (43) intended as an oil runout, with an oil retaining edge formed in the groove (43); machining the blank on at least one circumferential surface (2) and/or at least one plane surface (3, 12) to form a finished part (1) with predetermined diameters (di, dm) or plane surfaces (3, 12); and leaving the groove (43) intended as an oil runout in the state obtained by primary forming on the finished part (1). |
