Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1998-11-05
2000-02-29
Jones, David
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
72219, B21D 7024
Patent
active
060294949
ABSTRACT:
A spring producing device comprises a main body, a first axle, a second axle, a spindle and a motor. The first axle is arranged on the main body and has a plurality of bumps, the spindle has at least one bump, and the motor is connected to the second axle such that the motor can drive the spindle through the second axle. The rotation angle of the spindle can be precisely controlled and the yield is enhanced with little manual labor.
REFERENCES:
patent: 3803893 (1974-04-01), Peddinghaus et al.
patent: 3894422 (1975-07-01), Peddinghaus
patent: 4571974 (1986-02-01), Pollhammer et al.
patent: 5025651 (1991-06-01), Del Fabro et al.
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