Overhead Magnetic Separators
Overhead Magnets are suspended over conveyor belts and vibratory feeders. They are designed to magnetically lift ferrous metals out of bulk material which ensures product purity and protects processing equipment. Any ferrous metal that is attracted to the overhead magnet face is either automatically and continuously removed with self-cleaning models or held in place on stationary models until the magnet is either shut off or manually removed. Dings Overhead Magnetic Separators remove damaging ferrous tramp metal which can cause costly repairs and downtime.
Inline vs. Crossbelt Overhead Magnet Mounting Positions
Dings Overhead Magnets are available in two suspension types: Inline and Crossbelt.
Inline Mounting Position
Crossbelt Over Conveyor
In a cross-belt over the conveyor belt mounting position the magnet is installed at a right angle to the travel direction of the material on the belt. Tramp metal is collected by the magnet and discharged by the magnet’s self-cleaning belt into a collection bin along side the conveyor. This orientation is commonly used when the magnet is being installed in an easily accessible area on an existing conveyor.
Crossbelt Over Pulley
The cross-belt over the pulley orientation results in a more efficient use of the magnet since the conveyor belt flattens as it reaches the pulley allowing for a reduced suspension height. The material is also becoming airborne liberating the tramp metal and making it easier to separate. This orientation may permit the use of a smaller magnet and tramp metal can be collected in a bin alongside the conveyor.
When compared to an inline mounting magnet, a larger-sized magnet is required to remove ferrous from a crossbelt application (since ferrous on the belt surface has to be pulled up through the burden). If the magnet cannot be installed over the head pulley, install it over the flat section of the conveyor.