| 摘要 |
PROBLEM TO BE SOLVED: To prevent breaking of a wire by rapidly extending a life of a roller, guide roller, etc., for running the wire. SOLUTION: A wire 10 winding both ends to a reel is wound repeatedly to three grooved rollers 6a, 6b, 6c via guide rollers 3, 3,.... A workpiece 15 is cut by the wire 10 extended between the grooved rollers 6a, 6b, on both sides of a region of the wire 10, a work fluid supply nozzle 16, 16 for supplying a work fluid to the wire 10 is arranged. Further, in the intermediate of the work fluid supply nozzles 16, 16 and the grooved rollers 6a, 6b, cleaning devices 21, 21 are provided, which blow out high pressure air to blow off the work fluid and cutting chips adhering to the wire 10. |
