Presses – Automatic or material triggered control – Of material addition – deposition – or discharging
Patent
1996-04-29
1997-09-09
Gerrity, Stephen F.
Presses
Automatic or material triggered control
Of material addition, deposition, or discharging
100125, 100215, 100249, 10026905, 10026914, 100906, B30B 902, B30B 1102, B30B 1522
Patent
active
056644922
ABSTRACT:
A metal shavings and chips compactor for extruding oil from metal chips and shavings and compacting the metal into easily transportable pellets. A compactor cylinder contains a piston and has an opening through which an auger feeds metal chips and shavings. A gate doses an end of the cylinder. A first hydraulic drive drives the piston under low pressure to close the opening and apply a first compacting pressure on the metal to form a loosely compacted pellet in the cylinder. High pressure then operates the piston to form a compact metal pellet substantially void of interstices. A second hydraulic drive opens the gate; the piston is operated at low pressure to discharge the compact metal pellet from the chamber and oil is collected below the cylinder. The compacting pressures are achieved through mechanical advantages provided by the size of the piston to that of the first hydraulic drive. A microprocessor controls operation of the compactor, and sensors detect the completion of the several operations to operate the microprocessor to control the hydraulic system and the thickness of the pellet produced.
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Product Specification, Worldcup Series P6W, P7W, P8W Design B, Axial Piston Pumps, Variable Displacement Open Loop; Hagglunds Denison Company, Publication 1-A112, Mar. 1992.
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