MSA RARE EARTH MAGNETIC HEAD PULLEYS!
With up to 4 times more power than commonly available Ceramic/Ferrite Pulleys, our Australian Made Rare Earth Pulleys are changing the face of Metal Separation in Australia.
The 4000-6000 Gauss surface intensity makes this option suitable for many applications where product purity and machine protection are both required, for example, Hay Processing and Rock Crushing, or where high-tonnage is being processed with low-density metal contamination, for example, Glass Recycling Plants.
- MSA can supply complete new Magnetic Head Pulleys or can convert your existing Pulley, meaning large cost savings.
- Local support and expertise means you can count on our quality and availability of locally manufactured replacement parts such as Stainless Steel wear cappings.
- A value for money way to automate and save yourself time and potential hand injuries with this Self-cleaning option.
- Our Aussie Made Rare Earth Pulleys are so powerful that they can be used in some applications that are historically only handled by Over-belt Magnets, making this truly a value for money proposition at point of purchase. Requiring less maintenance than Self-cleaning Over-belts, the decision becomes even easier!
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For efficient extraction of ferrous and tramp metals from conveyed product streams.
Suited to non-food related industries such as recycling and mining, overbelt and suspension magnets offer a safe, efficient, and effective method of removing ferrous tramp and iron pieces. The magnets are installed above conveyed product streams and extract contaminating ferrous and tramp metal as the belt proceeds past – thus improving product purity and reducing equipment damage.
Commonly extracted ferrous contaminants from these types of installations include nails, screws, nuts, bolts, wire, chain, hammers, and crowbars – all of which can cause thousands of dollars in equipment damage if not removed early in the process.
- Improve product purity
- Prevention of damage to expensive downstream machineries such as shredders, crushers, mills, pulverizers, and grinders
- Prevention of damage, and the consequent costly repair and downtime, to conveyor belts cause by sharp metal pieces – this is especially a risk at discharge points
- Low-maintenance and self-cleaning designs available
- Reduction of downtime, maintenance, and repair costs to damaged downstream equipment, caused by the entry of tramp metal
- Cost of product rejection through failure to remove metal inclusions
- Potential savings from avoiding unnecessary landfill
- Mining operations including washeries
- Recycling plants
- Resource recovery
- Plastic operation
- Glass cullet recycling
- Shipping ports, ship loading
- Fertilizer manufacturing
- Power stations
- Wood chip & timber waste recycling
- Bulk materials handling & conveying
- Mobile crushers, screens, & shredders
- MRF (Material Recovery Facility) plants
- Auto & appliances recycling
- Municipal solid waste
- Kerbside collection and skip waste recycling
- Tyre & rubber recycling
- Electronics recycling/e-scrap
- Shredded steel
- Cement manufacturing
- Concrete batching plants
- Bulk sand and soil handling
Overbelt and suspension magnets can be installed over the top of the conveyor (cross-belt style) or at the end of the conveyor at discharge location (inline style).
Overbelt and suspension magnets are available in either permanent magnetic or electromagnetic designs. Each design has its own benefits and can include quick or self-cleaning methods.
|ADVANTAGES OF ELECTRO-MAGNETS||ADVANTAGES OF PERMANENT MAGNETS|
Overbelt Magnets consist of a magnet box surrounded by a continuously moving belt. The magnet is installed above the product stream conveyor, either mid-stream or at the conveyor discharge. As the product stream travels under the overbelt magnet, ferrous and tramp iron pieces are extracted and retained to the magnetic belt. The belt proceeds around the overbelt magnet housing. When it reaches the point at which it is no longer affected by the magnetic field, the collected metal is discharged and dropped off into collection bins.
Overbelt Magnets are popular due to their self-cleaning operation, which allows interrupted metal extraction and eliminates the need for operator cleaning schedules. They are also suited to applications where the typical level of ferrous contamination is high.
Suspension Magnets are a much simpler design than Overbelt Magnets. They consist of a block magnet (square, rectangular, or round) suspended above the conveyor with chains. The magnet face is positioned directly above the product stream, either cross-belt or inline (above conveyor discharge).
Regardless of whether Suspension Magnets are of permanent or electromagnetic design, there is usually manual labor involved in the cleaning process. The magnet must be shifted away from the conveyor before the collected metal is removed, otherwise, it may drop back into the product stream and cause recontamination. Because this manual labor is required, Suspension Magnets are typically selected for applications where the level of ferrous contamination is low and only occasional cleaning is required.
MSA also supply complete new magnetic pulley systems and magnetic pulley lagging for existing pulley magnets. These systems are installed at the discharge terminus of a conveyor and are used to effectively separate magnetic contaminants from the main non-magnetic product stream.
QUALITY AUSSIE-MADE MACHINES
Overbelt and Suspension Magnets available from MSA are high-quality, durable machines manufactured in Australia. They conform to current engineering standards and best practices. They are designed to provide low maintenance, effective metal separation.
Contact our magnet experts today for your magnetic needs!
Magnetic Head Pulleys operate much the same as non-magnetic Head Pulleys, except that the metal pieces are discharged separately to the non-magnetic product stream.
As the product stream reaches the conveyor discharge point, ferrous metal is attracted to the pulleys magnetic field and held to the belt. As the belt moves around the pulley, the non-magnetic material is discharged in a normal trajectory, however, the ferrous metal is still held to the belt.
When the belt passes out of the magnetic field, the magnetic material drops off into a separate chute or bin to the rest of the product. A non-magnetic splitter may be installed to separate the two discharges.
Ferrous metals commonly extracted from the product stream include nails, nuts, bolts, wire, cans, screws, tools, and so on.
MSA can supply complete new Magnetic Head Pulleys or can fit Magnetic Lagging Strips to your existing Pulley.
The addition of Magnetic Lagging Strips to your existing Pulley is not only a cost-effective solution (as opposed to purchasing a complete new Pulley System), but also assists with conveyor belt tracking. The lagging will only cause a small increase in the weight and diameter of the existing pulley.
MSA were recently contacted by a recycling company Waste Initiatives. They had a client who needed prompt assistance with collecting unwanted tramp iron and metal fragments in their waste production lines.
After assessing their application and a number of possible solutions, it was decided that the most effective action to take was to install a high intensity, rare earth magnet pulley. The company had an existing head pulley available so they sent it to MSA for the addition of their special ‘magnetic pulley lagging’.
This system causes no disruption to the process line, but instead of dropping contaminates into the same bin as the clean material, the pulley carries the contaminates underneath the conveyer belt and drops them off into separate bin underneath the head pulley.
This was met with high praise from Managing Director Peter Smith, who says “We recently needed a Magnetic Pulley with a very quick turnaround. When we started making enquiries, many companies couldn’t make one or import one in less than a month. We made contact with MSA Magnetics and couldn’t believe the difference! They discussed the situation with us and gained an understanding of what we needed to do. We were able to make a simple Pulley and ship to MSA overnight. They had promised a 3-day turnaround to convert the Pulley to a Magnetic Pulley… we had it back on a truck within 24 hrs! I have no hesitation in recommending MSA for their high level of expert and professional assistance and engineering, quality workmanship and most of all, exceptional service”.
MSA provides complete new magnetic head pulley solutions OR magnetic lagging upgrades to your existing pulleys, any width and any diameter above 150mm.