US 12,168,997 B2
Shaft disconnects
Kris H. Campbell, Poplar Grove, IL (US)
Assigned to Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Apr. 19, 2021, as Appl. No. 17/234,531.
Application 17/234,531 is a division of application No. 15/487,160, filed on Apr. 13, 2017, granted, now 10,982,710.
Prior Publication US 2021/0239155 A1, Aug. 5, 2021
Int. Cl. F16C 3/00 (2006.01); F16C 3/02 (2006.01); F16D 9/00 (2006.01)
CPC F16C 3/00 (2013.01) [F16C 3/023 (2013.01); F16D 9/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method for additively manufacturing a shaft having a shear disconnect, comprising:
additively manufacturing a first material in a partial shaft shape;
additively manufacturing a disconnect portion onto the partial shaft shape using a second material; and
additively manufacturing the first material on the disconnect portion to complete the shaft, wherein:
the additively manufacturing the disconnect portion includes progressively adding the second material to the first material to create at least one gradient portion;
the additively manufacturing the disconnect portion includes using the second material exclusively for a portion of the disconnect portion; and
the additively manufacturing the disconnect portion includes shaping the disconnect portion in a non-cylindrical shape including a double conical shape.