Reinforced hydraulically pressed parts and processes of their manufacture

摘要

A method of hydroforming a reinforced tube comprising providing a metal tubular blank having an interior defined by an inner surface and an exterior defined by an outer surface. A metal reinforcing member is provided and inserted into the interior of the tubular blank. The reinforcing member is engaged with the inner surface of the tubular blank and is attached to the inner surface of the tubular blank. The tubular blank and reinforcing member welded thereto are placed into a hydroforming die having die surfaces defining a die cavity, and pressurized fluid is provided within the tubular blank so as to conform the tubular blank with the die surfaces of the die cavity.