Can bodymaker having improved ram support and drive

Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing

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Details

72449, 308 5R, B21D 2228

Patent

active

041731387

ABSTRACT:
A horizontally reciprocal ram is movably supported on a can bodymaker for forward and rearward movement of a ram forward end through a die assembly by stationary, spaced, hydrostatic oil bearing sleeves located rearwardly of the die assembly thereby isolating at least a major portion of the ram for support and alignment for remainder of the bodymaker. Drive mechanism supplying horizontal ram drive to a ram rearward end may include a movable hydrostatic oil bearing slide connected to the ram through various optional forms of drive connection means supplying varying degrees of relative flexibility between the ram and slide to thereby determine the degree of ram isolation by the bearing sleeves with an optimum of substantially full ram isolation. Included in certain of the drive connection means providing greater flexibility for greater ram isolation are variously located hydrostatic oil bearing pad assemblies.

REFERENCES:
patent: 3270544 (1966-09-01), Moeder et al.
patent: 3466951 (1969-09-01), Greenberg
patent: 3635532 (1972-01-01), Zerbula
patent: 3663072 (1972-05-01), Cvacho
patent: 3735629 (1973-05-01), Paramonoff
patent: 3985061 (1976-10-01), Montgomery

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