| 摘要 |
<p>The invention herein refers to a hot, cold or warm forging process comprising conforming a disk (15, 20) through forging to obtain a pre-formed part (16,21 ), the forging process creating at least one recess (162,212,213) on the pre-formed part, the recess having a bottom area; removing a section (17b,22b) of the bottom area; and conforming through forging the pre-formed part (16,21) to obtain a final hollow part (18,23). The process enables the obtainment of a final part - a ring with an outer flange, for example, a bushing or an inner ring of an angular contact bearing - with substantial reduction on the mass of the wasted material. A punch was also created for this purpose.</p> |
