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THE OSBORN 3161 ROTA-LIFT IS A RAM-JOLT SQUEEZE MOLDING MACHINE IDEALLY SUITED FOR THE PRODUCTION OF CASTINGS FROM LARGER MATCHPLATE PATTERNS. IT INCORPORATES AN ANVIL-TYPE PRE-JOLT AND RAM-JOLT FOR USE DURING THE SQUEEZE OPERATION, AND IS EQUIPPED WITH THE WHISPERAM NOISE-CONTROLLED JOLT AS STANDARD FOR QUALITY MOLDS AT A RESPECTABLE NOISE LEVEL. WHILE SPECIFIC DIMENSIONS CAN VARY BY MODEL VARIANT, COMMON SPECIFICATIONS FOR THE 3161 INCLUDE A TABLE SIZE OF APPROXIMATELY 27 1/2 INCHES BY 29 INCHES. KEY OPERATING FEATURES INCLUDE A 16-INCH SQUEEZE CYLINDER DIAMETER AND A 10-INCH JOLT CYLINDER DIAMETER, WITH A TYPICAL SQUEEZE STROKE OF 12 INCHES AND A MAXIMUM DRAW OF 11.5 INCHES. THE JOLT CAPACITY IS RATED AT 2500 POUNDS AT 80 PSI, AND THE ROLLOVER CAPACITY IS 850 POUNDS AT 80 PSI. THE APPROXIMATE SHIPPING WEIGHT FOR THE MACHINE IS 3500 TO 3550 POUNDS. THE 3161 MACHINE CAN BE OPTIONALLY EQUIPPED WITH A MATCHPLATE HANDLING DEVICE DESIGNED TO ASSIST THE OPERATOR.