CONNECTING-ROD FRACTURE SPLITTING APPARATUS

Actuator of a connecting-rod fracture splitting apparatus includes: a piston rod having one end portion extending through a lid of the cylinder and connected to a wedge; and a free piston slidably mounted on the piston rod and abuttable against the upper surface of the piston. By pressure fluid bein...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Nakajima Tomohiro, Hatayama Tadatomo
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING BROACHING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FILING FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLANING ROTARY BODIES OTHER THAN GEARING ELEMENTS SAWING SCRAPING SHAFTS SHEARING SLOTTING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	Actuator of a connecting-rod fracture splitting apparatus includes: a piston rod having one end portion extending through a lid of the cylinder and connected to a wedge; and a free piston slidably mounted on the piston rod and abuttable against the upper surface of the piston. By pressure fluid being supplied to act on the upper surface of the piston, the free piston imparts a preload to a hole of a big end section of the connecting rod. By pressure fluid being supplied to act on a region upward of the free piston, the free piston is driven downward to collide against the upper surface of the piston, so that divided mandrel members are moved apart from each other, via the piston rod and the wedge, to fracture a large end section of the connecting rod.