| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluid barrel polishing device in which the vicinity of an outlet arranged at the bottom of a polishing tank may not be closed with abrasive grains or cutting powder generated by barrel polishing.SOLUTION: A closing means including a closing member for closing an outlet by pushing a peripheral edge of an opening of the outlet is arranged. The outlet can be closed directly when performing barrel polishing, and therefore there is no risk of accumulation in a discharging passage with the abrasive grains or the cutting powder generated by barrel polishing. Moreover, by using the structure that compressed air causes the closing member to push the peripheral edge of the opening of the outlet, the failure caused by the bite of powder into a sliding part as in a mechanical valve may not occur. |
