Patent ID: 6128985
Filing Date: 2000-10-10
Classification: B23Q,Y10S,Y10T

Abstract:
Machine tool, comprising:a spindle rotating about an axis of rotation, said spindle including a workpiece holder or a tool holder capable of being thrown off center in relation to the axis of rotation of said spindle, the off-centering being obtained continuously and comprising any desired co-ordinate along an axis perpendicular to said axis of rotation of the spindle, the workpiece holder or the tool holder comprising a slide bearing a workpiece to be machined or a machining tool, said slide being capable of moving along the axis perpendicular to said axis of rotation of the spindle, a first spring being disposed between the spindle and the slide, the constant of said spring being so chosen that its force of pressure is greater than the centrifugal force exerted by the off-center slide.