| 摘要 |
Disclosed is a clog-free drain system installed in a cutting apparatus. The system includes an expandable cover for covering a path which a chuck table follows, a water case for receiving used machining water guided by the expandable cover, and a drain pool for tentatively storing the used machining water from the water case before allowing it to drain off. The drain pool has its bottom positioned at a level lower than the bottom of the water case, and the drain pool has its drain outlet formed at a level higher than the bottom of the drain pool. The water case has water flow creating apparatus for driving the used machining water to the water pool.
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