ROCKING INNER GEARING TYPE PLANETARY GEAR SPEED REDUCER

摘要

PROBLEM TO BE SOLVED: To provide a rocking inner gearing type planetary gear speed reducer low in noise and vibration. SOLUTION: This rocking inner gearing type planetary gear speed reducer 100 is provided with an internal-tooth gear 118, and an external-tooth gear 108 relatively rockingly rotating while being geared with the internal-tooth gear 118. A raw material of at least one of teeth of the internal-tooth gear 118 and the external-tooth gear is formed out austemper spherical graphite cast iron. COPYRIGHT: (C)2008,JPO&INPIT