This principle, particularly in the areas of geology, mineralogy and all areas concerned with mineral raw materials, has enjoyed many decades of success. However, with the development of the planetary ball mills, first patented by Fritsch (Germany) in the year 1962, the vibrating cup mill has unjustifiably lost some ground to the planetary ball mill.
Yet despite this, the vibrating cup mill is absolutely the best mill for fast grinding of hard and brittlematerials to analytical fineness which has led to our latest version of the Fritsch vibrating cup mill.
With the redesigned pulverisette 9 vibrating cup mill Fritsch introduces an instrument unique throughout the world. Through optimisation of the grinding set weights in relation to the counterweight, themill now operatesmore efficiently within the resonance range.
This results in a significant improvement in performance with an associated reduction in grinding time by 50% to achieve analytical fineness. The ease of cleaning is still unparalleled. The grinding set consists of only a few large parts.
But themost important aspect of the redesign was the consideration of ergonomics.
Why? Because large grinding sets of hardmetal tungsten carbide.
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