LUBRICATING OIL CLEANING DEVICE AND DRAWING BENCH EQUIPPED THEREWITH, AS WELL AS CLEANING METHOD OF LUBRICATING OIL, AND DRAWING METHOD USING THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a lubricating oil cleaning device which efficiently eliminates iron powder and sludge mixed in a used lubricating oil, and suppresses inside smudge generated in a metal tube when reused in a drawing processing.;SOLUTION: The lubricating oil cleaning device is characterized in that it includes a dirty tank 12 which stores a retrieved used lubricating oil, a centrifuge 14 which eliminates foreign matter in the lubricating oil supplied from the dirty tank 12, a first cleaning tank 15 which stores the lubricating oil which is made to pass through the centrifuge 14, a filter 16 which eliminates the foreign matter in the lubricating oil supplied from the first cleaning tank 15, a second cleaning tank 17 which stores the lubricating oil which is made to pass through a filter 16, a first adjusting line 18 which discharges a part of the lubricating oil stored in the first cleaning tank 15 to the dirty tank 12, and a second adjusting line 19 which discharges a part of the lubricating oil stored in the second cleaning tank 17 to the first cleaning tank 15 and/or the dirty tank 12.;COPYRIGHT: (C)2012,JPO&INPIT