[Problem to be solved] To provide a novel method for efficiently manufacturing a press product that includes, in an integrated manner, a flat part (a vane part) and a rod part (a shaft part) having a diameter greater than the thickness of the flat part. [S...

[Problem to be Solved] An object of the present invention is to provide a novel method of manufacturing a lever plate that is made of a material having a relatively small thickness but nonetheless has an engaging protrusion having an adequate thickness and...

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...

A novel method of manufacturing a turbine frame for rotatably holding adjustable blades in a VGS turbocharger is provided, which method is capable of manufacturing the turbine frame while almost eliminating a time-consuming cutting operation, whereby mass ...

A novel method of manufacturing a component member of a VGS turbocharger is provided, which method enables, when manufacture of the component member is performed mainly by press working using a die, the press working to be efficiently performed because of ...