Author_Institution :
Fairbanks, Morse and Company, Beloit, Wis.
Abstract :
The name “Copperspun” describes a 1-piece squirrel-cage rotor cast of copper by a centrifugal process. Salient features of the rotor are: high strength, high melting point, no joints, low coefficient of expansion, high conductivity, low porosity, and improved dynamic balance.