Filter Removes Contamination from Lubricants

Eclipse Magnetics has added a self-contained filtration system for higher flow rate applications to its range. The Automag Skid system removes ferrous, para-magnetic and grinding wheel debris contamination from lubricants and coolants at flow rates of up to 900 litres per minute. Units for higher flow rates can be custom engineered and/or multiple systems can be used together. The system was recently launched at ITMS, Chicago, and AMB, Stuttgart.

A clear observation tank linked to the filter gave a clear demonstration of the effectiveness of magnetic filtration: liquid, heavily contaminated with sub-micron particles, was filtered from opaque black to transparent within 30 seconds. The system can be specified to be used inline or offline. The offline system is supplied with an integral pump. The system is free-standing, self-contained and can be located wherever it is required.

Multiple systems can be used together for higher flow rates. At the heart of the system is an Automag magnetic filter containing six or 12 (depending on model) powerful magnetic cores. These cores attract contamination from the fluid as it passes through. Cleaning is fully automated and programmable. When the cleaning process is started, the cores are removed from the fluid path releasing the contamination, which is carried by the fluid into the buffer tank. The cores are then moved back into the fluid path.

The cleaning cycle takes 10 seconds. The 'purge fluid' is fed from the buffer tank into a magnetic coolant roller where contamination and fluid are separated. Clean fluid is returned to the clean tank; contamination is ejected for collection. Magnetic filtration reduces the impact filters can have on the environment. It uses no filter core media and the removed contaminant can be recycled. Filtration down to sub-micron level means more contaminant is removed and fluids are effective for longer.

The magnetic cores will last the lifetime of the system. The Automag is the largest of the Eclipse Magnetics range of filters. The Micromag is a compact unit, suitable for single machine installation, from flow rates up to 150 litres per minute. The Filtramag is suitable for flow rates of up to 500 litres per minute and is particularly effective at carbide collection.

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