Thin-wall spline forming machine

Details Thin-wall spline forming machine Thin-wall spline forming machine

B - Operations, Transporting

21

D

80/28, 113/56

B21D 9/14 (2006.01) B21D 53/28 (2006.01) B21H 5/02 (2006.01)

Patent

CA 1175296

P-325 THIN-WALL SPLINE FORMING MACHINE . ABSTRACT OF THE DISCLOSURE Thin-wall spline forming apparatus (20) disclosed includes toothed forming racks (24) having associated tooth pitch lines (48) and a toothed mandrel (22) hav- ing a tooth pitch circle (50) that is tangent to the forming rack pitch lines and of a diameter equal to the mean diameter of thin-wall splines (44) formed by meshing the rack and mandrel teeth with a thin-wall sleeve (38) of a power transmission member mounted on the mandrel between the meshing teeth. A mandrel drive gear (60) drives the mandrel in coordination with the forming racks (24) and is driven by a pair of drive racks (62) mounted for movement with the forming racks. Best results are achieved when the mandrel (22) has the same number of teeth (40) as the number of teeth (64) of the drive gear (60) and with the mandrel and drive gear teeth aligned with each other.

391463

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