Most people are aware of cyclone separators thanks to Sir James Dyson and his vacuum cleaners.
Cyclone separators are very efficient at capturing particles of 20micron and larger, i.e. visible to the naked eye.
Unfortunately laser marking generates a range of particle sizes from 0.1 micron upwards so standard cyclone separators are not suitable.
BOFA International commissioned Southampton University, using CFD (Computational Fluid Dynamics) techniques, to develop a cyclone to operate more efficiently at these lower particle sizes.
The cyclone separator is installed between the laser extraction point and the extraction unit. The airflow generated by the extraction unit powers the cyclone.
Patent application NO. GB1204416.0
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