BALL SCREW

A ball return channel of a ball screw is formed within a nut (1) and a ring-shaped non-contact seal (4) is arranged at the axial both ends of the nut (1). A suction hole (7) radially penetrating the nut (1) is formed within the range of a raceway (a rolling channel formed by a spiral groove (1a) of...

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Bibliographische Detailangaben
Hauptverfasser:	OHKUBO, TSUTOMU, YAMAMOTO, KAZUHITO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A ball return channel of a ball screw is formed within a nut (1) and a ring-shaped non-contact seal (4) is arranged at the axial both ends of the nut (1). A suction hole (7) radially penetrating the nut (1) is formed within the range of a raceway (a rolling channel formed by a spiral groove (1a) of he nut (1) and a spiral groove (2a) of the screw shaft (2)). This guarantees not to emit dust produced inside the nut, and attains dust reduction effect higher than that of the conventional ball screw.