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Short description

All-rounder; robust eddy current separator. Many possible combinations for desired application.

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  • For medium fraction
  • Separating NF particles 5-200+ mm
  • 12, 18 or 22HI-pole eddy current magnet roller
  • Suitable for various NF metals
  • Max freq. 733 Hz
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Eddy current separator EddyXpert
  • Eddy current separator
  • Eddy current separator in action
  • Eddy current separator in use
  • EddyXpert Eddy current separator
  • EddyXpert Eddy current separator 22HI 800mm
  • EddyXpert Eddy current separator 22HI 800mm no vibration feeder
  • Eccentric non ferro eddy current separator working principle
  • EddyXpert_REC-10-22HI-MAP-SS-B-N.jpg
  • EddyXpert_REC-06-22HI-H-MAB-SS-P-N.jpg
  • Eddy_current_22HI_6000_Gauss_drum_magnet.jpg
  • EddyXpert_22HI_1500mm_9000gauss_drum_magnet.jpg

Detailed product description


The Eddy current separator type EddyXpert is the all-rounder of the ECS machine line and is suitable for a large number of product streams: from coarse to medium-fine fractions.

The eddy current magnet roller is the most important part of the machine; there are 3 types:

Number of magnetic poles

Suitable for fraction size

Maximum frequency













The EddyXpert is versatile. This is because the EddyXpert can be expanded with many modules, such as: vibrating feeder, separation cabinet, separation partition types, belt scrapers and various conveyor belt materials. The best configuration for you depends on your product stream. The basic machine is extremely robust, enabling it to perform well even in harsh environments such as incinerator slag reprocessing plants. The choice of eddy current magnet roller determines which fractions and which non-ferrous metals can be separated. Examples of separable non-ferrous metals are: aluminium, magnesium, copper, silver and zinc. Product streams in which the EddyXpert is put to good use:

As the fraction size of the pieces decreases, this also has a direct effect on the trajectory range. Distance 'a' in the figure below represents the distance between the trajectory of inert materials and non-ferrous metals. The smaller the fraction, the smaller the difference 'a'. This makes separation of coarser product streams more difficult and therefore less pure (grade). In order to achieve a high degree of separation despite this limitation, Goudsmit has developed specially adjustable partition wall modules.

Suitable for product streams:

  • fraction size: 5 - 200+ mm (depending on eddy current magnet roller);
  • aluminium, copper, brass, zinc and other non-ferrous metals.
Trajectory of an EddyXpert, Eddy current separator


The design of the EddyXpert consists of 3 segments as standard:

1. Middle segment

The robust middle segment has the task of transporting the product stream and generating the eddy currents by means of the magnet roller. The service doors on the side are easily removable for maintenance and cleaning of the machine.

If the service doors do not provide enough working space (e.g. for replacing the conveyor belt), you can even easily remove the entire sides.
The integrated belt change unit makes conveyor belt replacement an easy job:
First you remove the complete sides. Then you slide out the support tube that is integrated in the frame.

 EddyXpert belt change step 2
 EddyXpert belt change step 1

A hoist or forklift raises the tube, which compensates for the weight of the frame and the eddy current magnet roller. Now there is no more weight on the frame legs, so they can be removed easily and without danger. The conveyor belt is then free and can be easily replaced with a new one.

Drum motor integrated into belt drive roller

An integrated drum motor provides the drive for the conveyor belt. This provides a compact design, because there is no motor protruding from the rear of the machine. This drum motor has an IP66 protection rating, so it is well protected against dust and moisture. This means that the motor is virtually maintenance-free, which contributes to making this a robust and user-friendly machine, a fact that will surely be appreciated by your operators.

Eddy current magnet roller

All the magnet rollers for the EddyXpert are fully interchangeable. You therefore have the flexibility to upgrade to a stronger magnet roller in the future if your product stream changes in composition or fraction size.

2. Supply segment

The function of the supply segment is the uniform supply of material – the creation of a monolayer. A good supply of material is crucial for separation of the non-ferrous metals: if other material is lying on top of the non-ferrous pieces it is more difficult to eject them over the partition.
Depending on your product stream, you can choose from various supply modules:

  • Vibrating feeder
    The vibrating feeder is the most frequently chosen option. It supplies the product stream to the middle unit as a uniform (i.e. distributed across the width) monolayer. If your product stream still contains ferrous pieces, we can expand the vibrating feeder to include a deferrization module, a drum magnet which is placed after the vibrating feeder. This causes the material to fall evenly onto the drum; the ferromagnetic pieces are separated and the rest of the product stream (including non-ferrous metals) moves on to the conveyor belt of the middle unit. For the drum magnet there is a choice of different magnetic strengths, so we can always guarantee optimal separation.

with small vibration feeder

with small vibration feeder and small drum magnet

with large vibration feeder and large drum magnet

EddyXpert with standard vibration feeder

EddyXpert with standard vibration feeder and drum magnet

EddyXpert with large vibration feeder and large drum magnet




  • Conveyor belt module
    The conveyor belt module has an integrated magnetic head pulley. This provides efficient removal of the pieces of ferrous metal still remaining in the supplied product stream. The magnetic head roller can be made with various types (strengths) of magnet, so we can always guarantee the best solution for your product stream.

Until now, the drawback of the conveyor belt module has been that the result was not a nice monolayer; the vibrating feeder function was missing. Therefore Goudsmit has developed the ‘churning unit'. This churning unit consists of a number of rotating churners (product distributors) located above the belt that churn up the product on the belt in a clever manner to arrange the product stream in a nice monolayer before it reaches the head roller separator.

3. Discharge segment

The discharge segment separates the inert (non-metallic) fraction from the non-ferrous fraction. The extremely robust separation box of the EddyXpert has service doors on both sides. These doors are easy to open with a quick-lock system. This provides quick access to the separation plate (the most important part of the discharge segment). This is available in various types, depending on your product stream.

Besides the type of separation partition, its adjustment is also important. As standard, the separation partition angle can be changed with a manual, stepless (fine) adjustment. The distance from the partition to the eddy current magnet roller can be adjusted in the x-direction, in steps (coarse), through use of the provided slots. For more precise adjustment of the partition in the x-direction (usually not necessary), there are optional extras to choose from, such as a spindle.


Ferro separator
Working width




By combining modules with each other, machine types are available for almost any product stream:

  • available working widths: 600/800/1000/1500/2000 mm;
  • 12-, 18- or 22HI-pole eddy current magnet roller;
  • 3000 or 4000 rpm (depending on the eddy current magnet roller);
  • basic control cabinet or deluxe version with touch screen;
  • belt speed: 0.8 to 2.5 m/s;
  • belt type PVC, rubber or PU;
  • belt scrapers;
  • supply: vibrating feeder or conveyor belt - to which a integrated deferrization module can be added (drum magnet or magnetic head pulley);
  • discharge: various types of separator plates and adjustment provisions.