| 摘要 |
An impacting body is mounted rotatably to a spindle provided on a principal plane of a rotor. The impacting body is mounted so that a predetermined fitting gap is provided between the impacting body and the spindle and a part of periphery of the impacting body can be positioned beyond a periphery of the rotor. The rotor is rotated at a high speed to allow the impacting body to impact on an object to be processed at least at its critical impact velocity. This enables only the top layer of the object to be processed at the part on which the impacting body has impacted to be broken instantaneously. When the rotor is moved while being rotated, the object to be processed can be cut. According to this cutting device, an object formed of a single member such as glass, ceramics, resin, metal, or the like, or a composite member thereof can be cut continuously with one kind of cutting tool.
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