WORM SPEED REDUCER AND METHOD FOR MANUFACTURING WORM WHEEL INCLUDED IN WORM SPEED REDUCER

WORM SPEED REDUCER AND METHOD FOR MANUFACTURING WORM WHEEL INCLUDED IN WORM SPEED REDUCER

A plane that contains a central axis of a worm shaft (18) and that is orthogonal to a central axis of a worm wheel (19) is arranged at a central position of the worm wheel in a tooth width direction (W) thereof when no load is applied to a worm speed reducer (15). The worm wheel is formed by a cutti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: HAMAKITA, JUN
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 plane that contains a central axis of a worm shaft (18) and that is orthogonal to a central axis of a worm wheel (19) is arranged at a central position of the worm wheel in a tooth width direction (W) thereof when no load is applied to a worm speed reducer (15). The worm wheel is formed by a cutting operation using a hob with a hob center offset from the central position toward an offset direction corresponding to a first direction along the tooth width direction. A pair of tooth flanks has different pressure angles at the central portion in the tooth width direction.