New air classifier helps optimise metal powder particle size distribution

May 16, 2018

New air classifier helps optimise metal powder particle size distribution

The AC 1000 air classifier from Blue Power Casting Systems


Blue Power Casting Systems GmbH, Walzbachtal, Germany, has introduced a new version of its AC 1000 air classifier for metal powders. The AC 1000 has been specially developed for the economic and flexible separation of small powder batches into fine and coarse fractions, especially those in the <25 μm range, where conventional screening methods no longer work. The company states that it is suited for use in research and development as well as for demanding PIM and AM projects with special requirements for particle size distribution.

Specifically designed for small powder quantities and for frequent changes of alloys or desired particle sizes, the company stated that the development focus of the system was on simple handling, precisely controllable classification, high process stability and above all the fastest, safest cleaning possible to avoid metal losses and cross contamination by powder residues.

Air flow has been optimised to be able to define the size distribution even more precisely and a central layout of the operating touch screen, optimal accessibility of the components and simplified cleaning has improved the ergonomics of the system. The turbine unit can now be selectively raised by means of an integrated crane with pulley and cleaned of powder residues.

Blue Power Casting Systems stated the most significant advances are the optionally available or GS versions. The AC 1000 G enables separation under a protective gas atmosphere, greatly reducing potential oxidation in reactive metals. In addition, the GS version is an explosion-proof version that can be used to safely process explosive metals such as aluminium, magnesium, zirconium or titanium alloys.

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