| 摘要 |
PROBLEM TO BE SOLVED: To provide a cutting method for efficiently forming holes with different diameters in a short time when applying precision machining to cut objects. SOLUTION: A cutting tool with a cutting edge for cutting is mounted to a rotatable spindle provided at a cutting device for cutting the cut object, and after fixing the cut object into a predetermined position of the cutting device, the rotating speed of the spindle of the cutting device is regulated. The cutting tool is thereby alienated by flexure from a mounting shaft, and the cutting tool is elastically and flexurally deformed based on centrifugal force following the rotation of the spindle. The cut object is cut in a state of changing the diameter of a rotation body described by the cutting edge of the cutting tool, and the outer diameter of the cut object or the inner diameter of a cylinder hole formed in the cut object is formed in a desired size. The diameter is changed by changing the rotating speed of the spindle. COPYRIGHT: (C)2005,JPO&NCIPI
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