Method for the manufacture of a gear part
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United States of America Patent
Stats
-
Jul 27, 1999
Grant Date -
N/A
app pub date -
Jan 16, 1998
filing date -
Jan 17, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of manufacture of a gear part with a bottom area and a circumferential area, which has two portions. One portion extends to one side of the bottom area, while the other portion extends to the opposite side of the bottom area. On one portion is formed an inner profiling and on the other portion an outer profiling. According to a first method, on a cup-shaped preform a web is formed by splitting or flow-forming and extends in the opposite direction to the cup wall. In the thus formed web and in the cup wall are subsequently made the desired profilings. In a second method, an arcuate curl is produced and is subsquently flow-formed to the portions with the profilings.
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Cited Art Landscape
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