Method of manufacturing a multipiece eccentric shaft

摘要

A drive shaft having a main bearing portion, formed by metal forging, casting or powdered metallurgy, and having coupled thereto a rotor stub portion comprising a steel tube fixedly secured to the main bearing portion, such as by press fitting, friction or laser welding. The rotor stub portion of the drive shaft contains an insert formed with suitable oil hole passages to deliver oil through the rotor stub portion to any desired location along this portion of the drive shaft.