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Frewitt – Discover the FreDrive Crusher

Performing, Modular, Innovative 

The FreDrive-Crusher is a machine specially designed for crushing products in the pharmaceutical and food industries.

The new concept behind the FreDrive-Crusher allows for the machine to be easily converted from an oscillating mill to a crusher for products with an input size between 3-15 cm, reducing them to pieces of 1-2 cm. An intelligent system integrated in the mill allows the rotor to reverse if the rotor becomes blocked. This function prevents a mechanical overload of the system and ensures a continuous process without the machine shutting down. After crushing the product in a First-step, an operator can remove the crusher tool element, replacing it with OscilloWitt tools, hence reducing a product from up to 5 cm to a final size of 250 µm, with a single machine, specially designed to mill, as well as deagglomerate heat-sensitive and difficult-to-process products.

The Advantages of the FreDrive Crusher

Very broad spectrum of applications for any type of dry, moist (not sticky), hard, cryogenized or heat-sensitive powder

Extreme production flexibility due to a unique modular concept allowing very quick tool interchange

Clear GMP-capable concept for smooth, reproducible production

High production safety offering the ATEX certified concept for zones 0/20 up to an EMI of > 1mJ

Reduced operational costs thanks to the unique oscillating and crushing modular concept

Simple and fast to clean; Washing-in-Place (WIP) as option

Versatile use made possible by a large selection of tooling elements


Process Data

Particle Size Range

down to 1 cm

Throughput             Crusher 3 up to 650 kg/h*
                                 Crusher 6 up to 1000 kg/h*
Density up to 2 kg/dm3
Temperature range product from−20 °C to +60 °C
  • The flow rate depends on product characteristics and particle size


About Frewitt

Benefiting from more than six decades of powder handling experience, Frewitt Milling and Powder Handling Solutions is one of the world’s leading dry mill manufacturers. Frewitt develops and manufactures milling and sizing equipment for the pharmaceutical, food and fine chemical industries. Their areas of expertise include; crushing, milling, sieving, homogenization, deagglomeration and handling of all kinds of powders. In addition to the actual sizing itself, the machines can be used to change the grain size distribution, grain surface or density as well as to improve mixing properties. Frewitt’s robust designs are engineered with longevity, ease of use, and clean-ability in mind.


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Article Courtesy of Frewitt