Method for processing a rotor used for a super charger

Details Method for processing a rotor used for a super charger Method for processing a rotor used for a super charger

1997-10-06

1999-10-26

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29890036, B23P 1500

Patent

active

059706112

ABSTRACT:
In a method for processing a rotor used for a supercharger and the like, a slanted rolling machine is used having rolls designed such that the rolls are arranged about a pass line along which a material to be molded advances. Each roll is of corn shape and has a plurality of spiral-shaped grooves formed on its side surface. A shaft member made from iron or a similar material is inserted into an aluminum alloy tube. The aluminum alloy tube with the shaft member inside it is continuously fed to the slanted rolling machine along the pass line. Then, the periphery of the aluminum alloy tube is rolled/spread by the rolls for forming spiral shaped teeth from the tube material and for metallurgically attaching the tube to the shaft member.

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