Gear wheels roll formed from powder metal blanks
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United States of America Patent
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Nov 21, 2006
Issued Date -
N/A
app pub date -
Mar 30, 2001
filing date -
Mar 30, 2000
priority date (Note) -
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Abstract
A method is disclosed for the manufacture of gear wheels having two axially adjacent gears (4,6) thereon. A blank is prepared with the two gears crudely formed thereon by compressing and sintering a shaped mass of substantially metal powder. The blank is then mounted for rotation about a first axis, and the gears are roll-formed on the blank by rotating the blank in meshing engagement with respective dies (10,12) mounted for rotation about second and third axes substantially parallel to the first axis.
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