Assembled Shaft and Method for Manufacturing an Assembled Shaft

Abstract

The invention discloses a method of manufacturing an assembled shaft, comprising the following steps: at least one of a step of expanding the inner diameter of at least a joining portion of a first shaft element and a step of reducing the outer diameter of at least a joining portion of a second shaft element; positioning the joining portion of the first shaft element around the joining portion of the second shaft element; welding the first shaft element and the second shaft element by forcing a current flow through the first shaft element and the second shaft element; and at least one of a step of reducing the inner diameter of at least the joining portion of the first shaft element and a step of increasing the outer diameter of at least the joining portion of the second shaft element.

Dependencies are inferred from the claim text.