Rotationally balanced assembly

Details Rotationally balanced assembly Rotationally balanced assembly

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 15/32 (2006.01) F16D 1/064 (2006.01) F16D 3/38 (2006.01)

Patent

CA 2047460

-12- Abstract of the Invention A balanced rotary assembly is disclosed having an axis of rotation, comprising: (a) an aluminum-based driveshaft; (b) at least one cast aluminum-based connector having its weight substantially equally divided on opposite sides of the axis and coaxially secured to the driveshaft; (c) a uniformly thick iron-based band embedded in the outer surface of the connector and having means for locking the band against relative rotation with the connector; and (d) one or more iron-based members welded to the band to bring the assembly into a desired rotationally balanced condition. A method of rotationally balancing an assembly about an axis of rotation is also disclosed, comprising: (a) casting an aluminum-based connector with an iron-based band implanted therein to expose a peripheral surface thereof; (b) attaching one or more of the connectors each coaxially to an end of an aluminum-based tubular driveshaft; and (c) welding iron-based masses to the exposed surface of the band to bring the connector and driveshaft to a rotationally balanced condition. 5021L

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