Process and device for manufacturing a gear part with outer teeth
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 19, 2000
Grant Date -
N/A
app pub date -
Jan 26, 1999
filing date -
Aug 14, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process is disclosed for manufacturing a gear part with outer teeth from a metallic workpiece shaped as a circular blank or predrawing. The gear part has a hub surface with outward projecting teeth. The workpiece is flattened in its circumferential area and the teeth are formed without cutting by a toothed roller (5) mounted in a freely rotary manner. While the teeth are formed by flattening the workpiece, the toothed roller (5) is fixed in the radial direction so as to not move towards the feeding axis of the spindle. The edge of a circular blank may be curled or thickened or the cylindrical edge of a potshaped predrawing may be collapsed.
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