Toner is a special product because it places extremely high demands on the particle size distribution, which must be particularly narrow and ever finer. Besides this, the resin blends are being formulated with ever lower melting points to increase the speed of the laser printer. Especially important is the good accessibility for cleaning to minimize the downtime during a color change.
Thanks to its high precision of cut, the TFG classifying wheel with its support wheel makes an exact top-size limitation and a reduction of the fines portion possible.
A hydraulic mechanism permits the classifier head to be raised and then swung off to the side through 180°, thus affording good access for cleaning and maintenance procedures.
Fig.1 400TFG in open position
Fig.2 Load cell
Fig.3 TSP classifying wheel
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