| 摘要 |
PROBLEM TO BE SOLVED: To provide a wire saw device which does not drop a wire engaged into an engaging groove when an auxiliary roller whose engaging groove is worn out is replaced.SOLUTION: A wire saw device has: main rollers 100 which are arranged in axial directions at a predetermined interval so that mutual axial directions become parallel with each other, and spiral wire engagement grooves are continuously formed; wires W which are engaged into the respective wire engaging grooves so that many pieces are bridged in parallel with one another between the respective main rollers and form a wire row by a plurality of wires W at predetermined intervals to one another between the respective main rollers; a wire feeding part and wire winding part 200 which feed and wind the wire; and an auxiliary roller 300 which is arranged between the wire feeding part and wire winding part 200 and the main rollers, and rotates at a state that the wire is hooked, when the auxiliary roller is replaced resulting from wear out of the wire engaging grooves near the auxiliary roller, a wire temporary placing roller 500 which temporarily places a wire at this part is provided in the vicinity of the auxiliary roller. |
