Process for widening the crown of cylindrical-type gears by continuous diagonal hobbing
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United States of America Patent
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-
Jul 23, 2002
Grant Date -
N/A
app pub date -
Mar 14, 2000
filing date -
Mar 15, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Desired crown width and offset can be obtained on the workpiece in a simple manner and with geometrically simple tools, by adjustment of tool lead modification, the axial spacing between tool and workpiece, or the angle of rotation. Tooth flanks modified to be broad-crowned can be produced with virtually any offsets in the one-flank or two-flank process. Theoretically exact results are obtained even after shifting of the tool, and the active tool length required for machining a workpiece may be freely selected over a wide range.
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