Patent ID: 6832536
Filing Date: 2004-12-21
Classification: B23D,B26D,Y10T

Abstract:
A machine for severing a tube with an inner and an outer wall, comprising,a chuck with a center axis adapted to axially receive and grasp the tube outer wall, a cylindrical mandrel with first and second ends and with an axis concentric with the chuck axis, the mandrel being radially expandable opposite the chuck securing the mandrel firmly to the tube inner wall, the chuck and mandrel rotating with the tube, a tool holder, a blade in the tool holder, the blade comprising an end side and a body side intersecting at a blade edge, the body side being at a body side angle measured from normal to the tube, said tool holder adapted to move on a line intersecting the tube outer wall at an angle equal to or greater than the body side angle such that only the blade end side contacts the tube during cutting.