| 摘要 |
<p>PURPOSE:To provide a superhigh speed underwater water discharge system easily generating cavitation and further eliminating a deviation of the cavitation. CONSTITUTION:In a superhigh speed underwater water discharge system 1, high pressure water from a high pressure injecting device 2 is guided to a nozzle 5 through a high pressure water supply line 3 and injected from the nozzle 5 at a high speed into water 11, to make a high speed water jet stream 12, accompanied by cavitation, collide against an objective workpiece 20 placed in the water 11. In the superhigh speed underwater water discharge system 1, the nozzle 5 is rotatably fixed to a rotary drive part 6, and when compressed air 30 is supplied from a compressed air supply line 7 to the rotary drive part 6, it drives the nozzle 5 rotated. By rotating the nozzle 5, a deviation of cavitation in the high speed water jet stream 12 is eliminated, and a part of wider area of the objective workpiece 20 can be also worked.</p> |
