| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method of splitting a work to be split capable of improv ing working efficiency and splitting precision, and to provide a device for the same. SOLUTION: In the method of splitting the work 1 and the device for the same, a crack formed on a starting point 7a on the work 1 is progressed along a predetermined splitting line 12 by heating with a heat source 4, wherein, the shape of a heating spot S is formed on a lower end of a hollow pipe 5 in an elliptical shape, the long axis of which is aligned with the predetermined splitting line 12, the elliptical heating spot S is moved along the predetermined splitting line 12 so as to continuously progress the crack.</p> |
