| 摘要 |
PROBLEM TO BE SOLVED: To avoid reduction in working efficiency, and to improve even safety in work.SOLUTION: A processing unit 140 comprises a cutter attachment CT installed in a backhoe 100 and a processing nozzle 170 supported by the cutter attachment CT and capable of abrasive water jet processing by injecting a processing fluid CF of mixing an abrasive AB in a water jet fluid WF, and the cutter attachment CT comprises a pair of blade members 156 and 158 capable of holding an object OB, and comprises a support mechanism 172 for supporting the processing nozzle 170 and turning the processing nozzle 170 to the object OB.SELECTED DRAWING: Figure 2 |
