Title:
中空加工部材を変形する方法及び成形機
Document Type and Number:
Japanese Patent JP2004518537
Kind Code:
A
Abstract:
The invention pertains to a method and forming machine for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, at least one forming tool is placed into contact with the surface of the workpiece, the workpiece and this forming tool are rotated relative to each other about an axis, and the workpiece is deformed by means of the forming tool. During at least part of the deforming, the forming tool is being moved back and forth at a frequency that is substantially equal to or a multiple of the frequency of the rotation of the deformed part or the part to be deformed of the workpiece.
Inventors:
Massey, Johann
Application Number:
JP2002562494A
Publication Date:
June 24, 2004
Filing Date:
December 21, 2001
Export Citation:
Assignee:
Massie, Johan
International Classes:
F01N13/18; B21D22/14; B21D39/04; B21D41/04; B21D51/16; B21D53/84; (IPC1-7): B21D22/14; B21D39/04; B21D41/04; B21D51/16; B21D53/84; F01N7/18
Attorney, Agent or Firm:
Mitsuo Matsui