Patent ID: 6334808
Filing Date: 2002-01-01
Classification: B24B,B24D

Abstract:
A method for processing a peripheral portion of a thin plate, comprising:contacting the peripheral portion of the thin plate with a processing part of a tool, which has a round free end and projects to the thin plate, in order to process the contacted peripheral portion of the thin plate; and moving at least one selected from the tool and the thin plate in a direction of the other, which is parallel to a main surface of the thin plate while at least one selected from the tool and the thin plate is moved in a direction of the other, which is normal to the main surface of the thin plate, in order to change one contacting point between the peripheral portion of the thin plate and the processing part of the tool to another contacting point and to process the changed contacting point of the peripheral portion of the thin plate; wherein a rotational axis of the tool is perpendicular to the main surface of the thin plate.