Magmetic separators are used for cleaning coolant used in industrial machines. The contaminated coolant from the machine is feed into the inlet of magnetic filter, the dust particulate are atracted and arrested by the magnetic drum it attracts the dust particles when these go between the body and drum with the help of a scraper. A synthetic rubber roller mounted on the spring drive powder stores into the dust-collecting tray squeezes dust and alloys. Ferrous particles.