A novel manufacturing method is provided which can actually achieve mass production of an adjustable blade and a VGS turbocharger having the adjustable blades incorporating therein, wherein a shaft portion is processed to have an aimed at diametrical thick...

A manufacturing method based on a plastic working technique which can eliminate cutting and welding as much as possible in manufacturing an adjustable blade incorporated in a VGS turbocharger is provided. The present invention is characterized in that: a b...