| 摘要 |
A liquid jet machining apparatus including holding means for holding a workpiece, liquid jet application means for applying a liquid jet to the workpiece held by the holding means, and catching means for catching the liquid jet which has penetrated the workpiece. The catching means includes a tank for accommodating a liquid. At the bottom of the tank, a cushioning member is replaceably disposed, and an abrasive is accumulated. The liquid jet having penetrated the workpiece acts on the liquid accommodated in the tank, and then acts on the cushioning member and the abrasive. Wave suppressing means for suppressing generation of waves due to the liquid jet acting on the liquid accommodated within the tank is disposed in an upper portion of the tank.
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