Used Magnetic & Eddy-Current Separators for Sale
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About Used Magnetic & Eddy-Current Separators
Magnetic and eddy-current separators remove metal contamination from recycling streams to protect downstream equipment and produce clean polymer. Overband magnets and magnetic head pulleys capture ferrous metals, while eddy-current separators use a rapidly rotating magnetic rotor to repel and eject non-ferrous metals like aluminum. These separators are standard in plastics recycling, MRFs, and scrap processing.
When buying a used magnetic or eddy-current separator, evaluate belt width, throughput, and the metal types and sizes to be removed. Meadoworks sources magnetic and eddy-current separators for recyclers. Contact us at 800-323-0307.
How to Choose Used Magnetic Separators & Eddy Current
Ferrous, then aluminum
An overband magnet or a magnetic head pulley pulls steel out of a belt. An eddy-current separator throws aluminum and other non-ferrous metals off the belt with a fast magnetic rotor. Plastics stay on the belt. You usually want the magnet first, so steel does not hit the eddy-current rotor.
Belt width has to match the conveyor that feeds it. A narrow magnet over a wide belt leaves a lane of metal.
What the rotor can throw
Eddy current works on conductive metal of a size it can see. Fine dust and stainless do not jump the way an aluminum can does. Rotor speed, the splitter, and the belt speed are the adjustment.
A dead rotor or a worn belt is a separator that looks installed and catches nothing.
Magnetic Separators & Eddy Current Specs to Compare
| Spec | Why it matters |
|---|---|
| Type | Magnet, eddy current, or both. Steel and aluminum are different machines. |
| Belt width (in) | Has to cover the feed. A short magnet misses a lane. |
| Rotor | On an eddy-current unit. It has to spin. A seized rotor is a belt. |
| Metal size | Cans and large pieces throw. Dust and stainless need a different plan. |
Type
Magnet, eddy current, or both. Steel and aluminum are different machines.
Belt width (in)
Has to cover the feed. A short magnet misses a lane.
Rotor
On an eddy-current unit. It has to spin. A seized rotor is a belt.
Metal size
Cans and large pieces throw. Dust and stainless need a different plan.
What to Inspect on Used Magnetic Separators & Eddy Current
Hang a test piece
Steel should lift on the magnet. Aluminum should throw on the eddy current.
Spin the rotor
Bearings and the belt. Heat and a growl are the failure.
Measure the width
Against the conveyor you will set it on.
Set the splitter
The gate between metal and flake. A wrong gap throws plastic with the cans.
Related Equipment
- Wash Lines
Metal removal sits in front of a wash
More in Recycling & Size Reduction
Types of Size Reduction & Recycling
Common Applications
Frequently Asked Questions
What is the difference between a magnetic and an eddy-current separator?
Magnetic separators (overband magnets, magnetic pulleys) capture ferrous (iron/steel) metals. Eddy-current separators use a fast-spinning magnetic rotor to induce currents in non-ferrous metals like aluminum and physically eject them from the stream.
Related Resources
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