Method for making rotors
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United States of America Patent
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Dec 25, 2001
Grant Date -
N/A
app pub date -
May 26, 2000
filing date -
May 28, 1999
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Abstract
A method for making rotors for screw-type machines with a plunge-cut turning method in which an approximately rectangular groove is formed approximately at a center of a work piece with trilateral machining, a groove is cut radially deeper by trilateral machining until a predetermined groove depth has been reached, the profile flanks are shaped by bilateral machining, and the groove depth is increased with a recessing tool.
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