Cutting-ring assembly

Cutting-ring assembly

A cutting-ring assembly configured for use in a tunnel boring machine includes a cutting ring, an axle, and a bearing unit. The cutting ring is rotatably supported on the axle via the bearing unit, and the bearing unit includes at least one rotating outer ring having a first raceway and a second rac...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Aust, Wolfgang, Krug, Sebastian, Waldvogel, Christian, Hahn, Josef, Neulitz, Henning
Format: Patent
Sprache:eng
Schlagworte:
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:A cutting-ring assembly configured for use in a tunnel boring machine includes a cutting ring, an axle, and a bearing unit. The cutting ring is rotatably supported on the axle via the bearing unit, and the bearing unit includes at least one rotating outer ring having a first raceway and a second raceway, at least one fixed inner ring having a first raceway and a second raceway, and rolling elements between the raceways. Either the at least one inner ring or the at least one outer ring includes a first ring having an elongated axially extending shoulder and a second ring having an elongated axially extending shoulder abutting against the elongated axially extending shoulder of the first ring.