| 摘要 |
PROBLEM TO BE SOLVED: To remove only an outer roller from an inner roller without removing a working roller total unit from a wire saw, in the case of wearing an annular groove on a working roller, so that work for reforming the annular groove can be executed. SOLUTION: Working rollers 13, 14 are constituted by an inner roller 35 and an outer roller 36 mounted on the inner roller 35. In a periphery of the outer roller 36, a plurality of annular grooves 13a, 14a for winding a wire by a prescribed pitch are formed. The outer roller 36 is formed to be divided into a plurality of parts along an axial line direction, to be removably mounted in a periphery of the inner roller 35. |
