| 摘要 |
A process for forming a single piece rim for vehicle tires comprising the steps of axially deforming a toroid of aluminum alloy material so as to form a hollow tubular element of predetermined length and thickness having an annular inwardly directed radial flange intermediary of the ends thereof and spaced predetermined distances from the element ends and spin forming the ends of the element outwardly and axially to shape the inner and outer rim and define an inner rim flange and an outer rim flange.
|
