Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Patent
1989-06-15
1990-11-13
Crane, Daniel C.
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
198621, 414750, 91508, 60473, B21J 1308
Patent
active
049693492
ABSTRACT:
A dual axis actuator consisting of two fluid cylinders having the fluid inputs to the cylinders connected in parallel to a source of pressurized fluid, resulting in an automatic sequencing of cylinder rod drives. The cylinder rod encountering the least resistance to motion extends first until it reaches a stop, followed by the extension of the second cylinder rod. In the preferred embodiment of the invention, the source of fluid input to the two fluid cylinders is derived from the fluid port of a third fluid cylinder having its cylinder rod driven by an external power source. By utilizing two port fluid cylinders, the dual axis actuator can be adapted to provide a sequence of drives for powering workpiece transferring units in a multiple workstation transfer press. Such a system provides an automatic sequencing of translations for engaging and lifting workpieces for movement to a subsequent work station, followed by lowering and retracting from workpieces to allow the next stroke of the press.
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