Wet and dry grinding of brittle and hard solids

Said to be the world's only vibrating cup mill with frequency converter control, it grinds brittle and very hard solids in a extremely short time to analytical fineness

Fritsch says its new model is the world's only vibrating cup mill with frequency converter control.

This allows the vibration frequency of the motor to be varied to suit the load (grinding elements and grinding material) and the grinding is then carried out in a minimum of time.

The special field of the Pulverisette 9 vibrating cup mill is the wet and dry grinding of brittle and very hard solids in a extremely short time to analytical fineness.

Typical fields of application:.

Mining for processing coal, ores or minerals for physical or chemical analysis.

Metallurgy for grinding blast furnace slag or cast iron samples to determine additives needed.

Ceramic industry for grinding rock samples to produce raw powder to determine CaO3 and MgCO3 content or clinkers to study the constancy of the mineralogical structure.

Agriculture and ecology for preparing samples for chemical analysis of soils, sludges or vegetable matter.

Infrared- and X-ray fluorescence for preparing samples in a short grinding time with minimal contamination through abrasion.

Method of operation: the Pulverisette 9 operates on the principle of a vibrating cup mill.

The rotating flyweight makes the grinding set; clamped on a spring-loaded system, vibrate horizontally.

As a result of the centrifugal force created, the tumbling movement accelerates the grinding elements (puck and rings), which make up the grinding set.

The sample is ground by the impact and friction effect.

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