| 摘要 |
PROBLEM TO BE SOLVED: To provide a multi-wire saw which has multi-groove rollers having a long life and a simple structure, and does not easily break down. SOLUTION: The multi-wire saw runs while slurry having abrasive grains mixed therein is being supplied, and cuts a workpiece by pressing a row of wires wound around a plurality of multi-groove rollers against the workpiece. The row of wires is wound on both end portions of the multi-groove rollers so as to have a pitch closer than that of the middle portion between both end portions. COPYRIGHT: (C)2005,JPO&NCIPI |
