Gear cutting – milling – or planing – Gear cutting – Gear tooth shape generating
Patent
1991-11-25
1993-07-20
Briggs, William
Gear cutting, milling, or planing
Gear cutting
Gear tooth shape generating
51105HB, 409 74, B23F 908, B24B 4900
Patent
active
052288145
ABSTRACT:
Disclosed herein is a hobbing machine particularly for the production of spur and helical gears. The hobbing machine is characterized in that a separate mechanism for hob shifting is not required. The hob shifting, as well as other machine motions, is carried out by linear movement of the tool and workpiece relative to one another in up to three mutually perpendicular directions. The machine also includes tool support means to which the hobbing tool is mounted and which is rotatably adjustable for controlling the angular orientation of the hobbing tool. A control system including a computer controls the linear movements, angularly adjustable tool support movements, as well as the necessary timed rotations of the tool and workpiece.
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Briggs William
Harper Ralph E.
McDowell Robert L.
The Gleason Works
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