| 摘要 |
PROBLEM TO BE SOLVED: To automatically recover or keep the cutting quality when the cutting quality of a wire saw reduces in renewing dismantling work in a narrow space and dismantling work of a radioactive ray forming part of a nuclear power plant in a dressing device in a wire saw cutter for cutting, for example, concrete at a high speed. SOLUTION: This dressing device 1 can freely move so as to abut to and separate from the wire saw 12, and is formed by arranging at least a poishing device 5 for grinding diamond of a bead.
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