Net shaped forgings for power generation/transfer shafts
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United States of America Patent
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Jun 4, 2019
Grant Date -
Feb 25, 2016
app pub date -
Aug 18, 2015
filing date -
Aug 19, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An embodiment includes a method for net shape forging of a large rotor shaft that includes a reduced central cylindrical section and integrally forged segments along the longitudinal length thereof. In an embodiment, the net shaped forging is produced by sequentially pressing the work piece such that a near net shaped forging of the machined work piece is produced, including upset geometries such as eccentric or concentric disks. This permits a reduction in waste material (e.g., due to the machining process) and improves the strength of the upset geometries. Other aspects are described and claimed.
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