Gear cutting – milling – or planing – Gear cutting – Gear tooth shape generating
Patent
1991-01-15
1992-01-14
Howell, Daniel W.
Gear cutting, milling, or planing
Gear cutting
Gear tooth shape generating
51134, 51287, 409 38, 409 50, B23F 900
Patent
active
050805371
ABSTRACT:
An apparatus for machining a bevel gear has an apparatus frame, a spindle head provided on the apparatus frame for rotatably supporting a spindle on which a machining tool is mounted, and an indexing unit provided for holding a workpiece such that the workpiece is indexed by one pitch of teeth to be formed thereon to perform machining of tooth spaces with the machining tool. The spindle is horizontally and rotatably held on a spindle head such that the spindle is immovable in the axial direction of the spindle. The spindle head is movable back and forth in the axial direction and is movable in a lateral direction at right angles to the axial line. A column is provided on the apparatus frame in front of the spindle head such that the column is turnable about a vertical axial line at an arbitrary angle. The indexing unit is provided in a plurality of pieces on an external periphery of the column at a distance between each of the indexing units. The indexing units are provided on the column in a vertically movable manner. A plurality of vertically movable lifting frames are provided on the column at a distance therebetween in the circumferential direction of the column and the indexing units are detachably mounted on the column.
REFERENCES:
patent: 3212403 (1965-10-01), Deakin
Ichihashi Satoru
Takahashi Satoshi
Takano Kohzoh
Watabe Yoshiharu
Honda Giken Kogyo Kabushiki Kaisha
Howell Daniel W.
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