Greenerd Press Machine Co., Nashua, NH, has developed an automated two-press, two-robot production cell enabling unattended production of large aluminum pressure vessels. The cell employs sensors to locate a pallet of blanks. Then, a Fanuc robot picks an individual blank from the stack, detects and rejects any double blanks, and transfers the blank to an automated lube station. The robot then picks a previously lubricated blank and loads it into a hydraulic deep-draw press. During production, a second robot catches and transfers formed parts to a second hydraulic press for a punching operation. A centralized control station sets the operating parameters of both presses and controls the action sequences of the robots.
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