Magnetics Business & Technology - May/June 2020 - 13

FEATURE ARTICLE
Exhibition in Hannover, a trade fair for the metalworking industry.
"We were delighted to see that the Autofiltrex was a popular product at EMO," said Steve McAllorum, sales and marketing director. "Not only did we receive plenty of enquiries and requests for
more information, we also received a good amount of orders from
manufacturers looking to improve efficiencies for precision metal
finishing processes. This is a great example of how an investment
in magnetic technologies can improve efficiency in automotive and
other metal finishing operations."
The new filters can be fitted in-line or off-line, ensuring 24/7 "ultrapolished" fluids and delivering considerable advantages over
traditional filter media, said McAllorum. The modular design allows
additional units to be added to accommodate increased flow rates,
depending on application needs. Offering sub-micron filtration performance, the filters deliver cleaner fluid to the machine, therefore
improving surface finish and accuracy as well as reducing expenditure on filter media.
They are among an extensive line of filters manufactured by
Eclipse. It provides a full range of coolant, oil, water, and industrial
fluid filtration systems. Today's systems, the company notes, are
massively advanced from traditional applications of magnets to
remove ferrous particles.

Magnetic filters or magnetic separators are more effective at
removing ferrous particles than virtually all other types of filtration,
says Eclipse. Traditional barrier filters are constrained by the pore
size in the barrier. Make the pore too big and contamination continues to circulate, make the pore too small and it blocks. According to Eclipse, its patented magnetic design means that the filter
will not block so there is no blinding or pressure build up.
Based in Sheffield, Eclipse makes a broad array of magneticbased products including workholding systems, magnet assemblies, workshop tools, lifting and handling systems, industrial filters, foreign body removal and plumbing products. It also provides
custom magnetic assemblies for OEMs in the electronics, automotive, aerospace, pumps, audio equipment, sensors and security
sectors as well as serving research and development efforts and
academic institutions. Part of the Spear & Jackson Group, Eclipse
operates globally through Eclipse Tools North America based in
Canada, and other operations in China and France.
For more info, see www.EclipseMagnetics.com.

The basic principle of magnetic filtration, also referred to as
magnetic separation, is that fluid flows around a magnetic rod or
core which attracts ferrous particles, removing them from the fluid
and ensuring that clean fluids are returned to the contact area
either on a machine tool or wash system. When the magnetic core
becomes saturated with ferrous contamination it is then cleaned
either manually or, in the case of the Automag, automatically.
In the past magnetic systems were very basic, often consisting of
randomly placing a low strength magnetic bar or rod in a settlement tank or a low strength magnetic roller, the results are largely
ineffective. Whilst the basic principles are similar, there are huge
differences in the product design and levels of performance between the magnetic systems of the past and its advanced magnetic filters and the magnetic systems today.

F71/F41 Teslameters

Eclipse uses use high strength neodymium magnets which attract
virtually 100% of the ferrous particles including sub-micron size
particles. The advanced magnetic core design creates a magnetic
field pattern which ensures that the filters do not block even in
high contamination applications.
In addition to magnetic performance, its design and development
team also researched fluid flow characteristics, hence its filters are
designed to optimize the fluid flow, thereby maximizing contamination exposure to the magnet and ensuring almost 100% collection
rates without interrupting or reducing the fluid rates.
www.MagneticsMag.com

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May/June 2020 * Magnetics Business & Technology

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Magnetics Business & Technology - May/June 2020

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