Planetary gear speed reducer and machining method for planetary

Details Planetary gear speed reducer and machining method for planetary Planetary gear speed reducer and machining method for planetary

1995-09-20

1997-03-11

Wright, Dirk

Planetary gear transmission systems or components

Planetary gearing or element

F16H 138

Patent

active

056095422

ABSTRACT:
A planetary gear speed reducer and a machining method for a planetary gear supporting pin which enable the supporting pin to be formed as an integral part of a flange section by forging so as to reduce the number of parts, permit greater ease of assembly, and achieve lower cost and also to make it easier to obtain perpendicularity of the supporting pin with respect to the flange section. A plurality of supporting pins which are formed in hollow cylindrical shapes are pressed out at equal angle pitches on the same circumference on the rear end surface of a flange section which is made integral with an output rotary shaft. The front end surface of the flange section has recessed sections which are formed coaxially with the supporting pins. The outside diameters of the supporting pins are made smaller than the inside diameters of the recessed sections. The distal ends of the supporting pins are open and the hollow sections of the supporting pins are communicated with the recessed sections.

REFERENCES:
patent: 4920812 (1990-05-01), Okamoto et al.

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