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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||072/084; 072/082; 072/121|
|§371/§102 date||20030626 (20030626)|
|발명자 / 주소||
|출원인 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 5 인용 특허 : 8|
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...
The invention claimed is: 1. A method for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device and at least one forming tool is placed into contact with a wall of the workpiece, the method comprising: rotating the workpiece and said forming tool about an axis relative to each other; and engaging the forming tool against the workpiece to deform the workpiece during a deforming operation wherein, the tool is moved back and forth with respect to the axis during at least part of the deforming ...