Posted in | Materials Processing

Vibrating Cup Mill Perfect for Grinding Hard, Brittle and Fibrous Materials

The FRITSCH Vibrating Cup Mill PULVERISETTE 9 is indispensable for all areas in which hard, brittle and fibrous materials must be ground extremely quick down to analytical fineness. As the world's first mill of its kind, it has a frequency transformer control developed by FRITSCH.

The PULVERISETTE 9 provides perfect, loss-free grinding results in half the time!

It is ideally suited to applications which require fast sample preparation, such as spectroscopy preparation, ore and geology laboratories, mining and metallurgy, ceramics industry, agriculture and environmental science, infrared and x-ray fluorescence analysis.

The PULVERISETTE 9 is especially user-friendly and no similar mill offers a more convenient operation. The working position is ergonomically optimised, the ease of cleaning is without match, the grinding set is placed on a practical carriage, allowing it to be easily moved to the final position and rapidly fastened in seconds with a quick clamping system - which is back-friendly and saves energy and time.

It features an intelligent design featuring a special detector that automatically detects when you use an agate or zirconium oxide grinding set for metal-free grinding and reduces the rotational speed independently.

Your safety is ensured with a symmetrical eccentric developed by FRITSCH that enables fast and safe clamping of the grinding set, which is also automatically monitored. The defined final position and an integrated anti-twist protection provide additional safety.

The mill motor incorporates a frequency transformer control to make sure that the grinding is performed by horizontal circular oscillations of the grinding set on a vibrating plate. The grinding set consisting of rings and puck comminute the grinding sample with extremely high pressure, impact forces and friction. In this form of grinding, the transmission of forces onto the grinding sample are much more important than the pure motor power. For this reason, FRITSCH developed a special motor with frequency transformer control for the PULVERISETTE 9 as the first provider worldwide. This makes it possible to adapt the motor speed to the respective load on the vibrating plate, ensuring optimal comminution.
Alternatively, fixed speeds can also be selected. Naturally, the grinding parameters can also be configured for absolute reproducibility.

Features and capabilities of the FRITSCH Vibrating Cup Mill PULVERISETTE 9 are summarized below:

  • Extremely short grinding time
  • Especially powerful grinding with up to 1300 rpm and 1.1 kW motor output
  • Ergonomically optimised grinding set changing
  • Loss-free grinding in hermetically sealed grinding sets
  • Very easy cleaning due to few, large parts
  • Adjustable grinding time accurate down to one second
  • For dry and wet grinding

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