| 摘要 |
<p>A method including the steps of forming an inner ring (3) of the wheel hub (1), by joining a spindle (7) and an insert ring (8) fitted onto the spindle, on the side of a first end (9) of the spindle; axially blocking the insert ring on the spindle by plastically deforming the first end of the spindle so as to form an upset collar (10) therewith, which axially protrudes from the insert ring; and once the step of forming the upset collar has finished, frontally obtaining on the collar, on the side opposite to the insert ring, a frontal toothing (5) by axially impressing on the collar one or more knives (20) in sequence, carried in an axially sliding manner by a plate (22).</p> |
