| 摘要 |
A filtering device of coolant is provided to prevent damage of a drum filter and a packing causing that a chip flows in the inside of line and to prevent the coolant overflowing by filtering a long chip before a discharging port connecting to a second tank. A filtering device of coolant comprises a first tank in which a coolant and a chip are flowed in, a second tank including a drum filter for re-filtering the coolant from the first tank and a clean tank collecting the re-filtered coolant. The first tank includes an inlet port(400) in which coolant and chip are flowed in, a housing(410) having an internal space in one side of the inlet port, a belt(450) driving at the lower part of the housing, a long chip conveyor(430) including a first conveyor(470) and a mesh network(440) on the top of the first conveyor.
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