Honda Giken Kogyo Kabushiki Kaisha

Fumio Haga

Hiromu Okunishi

Masanobu Ishikawa

Ko Namiki

Takashi Kitamura

Masaaki Miyauch

Makoto Kawano

Tokio Iguchi

A gear finishing apparatus includes a bed having a horizontally extending guide member and a vertically extending guide member, a grinding wheel support unit movable along the horizontally extending guide member and having a grinding wheel unit, a ring-shaped grinding wheel in the form of an internal gear rotatably supported on the grinding wheel head for rotation about a substantially vertical axis, a first actuator for moving the grinding wheel support unit along the horizontally extending guide member, a workpiece support unit movable along the vertically extending guide member, the workpiece support unit having a holding device for holding a gear blank having external gear teeth for rotation about a substantially vertical axis, a second actuator for moving the workpiece support unit along the vertically extending guide member to move the gear blank into and out of the grinding wheel, and a third actuator for rotating the grinding wheel to hone the gear teeth of the gear blank while the gear blank is being positioned in the grinding wheel held by the holding device, and the grinding wheel and the gear blank are being held in mesh with each other by the first actuator and the second actuator.

Gear finishing apparatus

A rack and pinion gearing comprising a helical rack and a spiral pinion. The rack has a structure defined by a radius, a distance from the axis to tooth crest, a helix angle, and a pressure angle determined from the viewpoint of applied kinematics so as to produce a balancing moment of rotation. The structure keeps the rack free from inclination and rocking about the axis which would otherwise result in a biting effect.

Rack and pinion gearing

Growing community of inventors

Saitama, Japan

Fumio Haga