Patent ID: 7231793
Filing Date: 2007-06-19
Classification: B21D,B29C,B29L,Y10T

Abstract:
1. A warm hydro-forming device comprising: a first mold and a second mold being respectively provided with a forming surface for an expansion forming of a tube component and respectively mounted to a first mold die and a second mold die to respectively compress a first portion and a second portion of the tube component; a lifting die installed to the second mold die through a guide unit to be disposed around the second mold, a first portion of the lifting die being connected to the first mold die through a lifting unit to cooperatively operate in a predetermined direction with the first mold die; a pair of hydraulic pressure cylinders for providing an axial compression force to the tube component by compressing both ends thereof in an axial direction, the hydraulic pressure cylinders supplying a forming hydraulic fluid into the tube component to generate a forming hydraulic pressure for forming the tube component; a positioning unit fixed to an external fixture for positioning the first mold die; and a heating unit associated with the lifting die such that the heating unit is capable of moving toward or away from the tube component, and the heating unit heating the tube component and a forming hydraulic fluid within the tube component through a high frequency induction heating at a predetermined temperature.