| 摘要 |
PROBLEM TO BE SOLVED: To improve the abrasion of a nozzle, and improve operation rates in a cutting device. SOLUTION: This cutting device comprising abrasive grains is provided with a high pressure pump 2, a first tank 5 connected to the high pressure pump 2 through first inflow side water system piping 4, a first inflow side on/off valve 30, and a first tank on/off valve 33, a second tank 7 connected to the high pressure pump 2 through second inflow side water system piping 6, a second inflow side on/off valve 31, and a second tank on/off valve 36, first outflow side water system piping 8 and second outflow side water system piping 9 respectively connected to the first tank 5 and the second tank 7, first bypass piping 32 connecting the first inflow side water system piping 4 to the first outflow side water system piping 8 to bypass the first tank 5, second bypass piping 35 connecting the second inflow side water system piping 6 to the second outflow side water system piping 9 to bypass the second tank 7, and nozzle-system piping 10 and a nozzle 11 connected, in order, to the first outflow side water system piping 8 and the second outflow side water system piping 9. COPYRIGHT: (C)2007,JPO&INPIT
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