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Universal Milling System for Toll Processing

Made In The USA

Universal Milling System for Toll Processing

Made In The USA

 

Hosokawa’s universal milling system has interchangeable rotor options giving operators a wide range of milling solutions in one platform. The Mikro® UMP Universal Mill was developed as the next step in the evolution of the Mikro Pulverizer Hammer and Screen Mill, especially well-suited for plastic and chemical applications. The contract manufacturing facility at Hosokawa uses the UMP for chemical processing. The UMP is a hammer mill, pin mill, knife mill and attrition mill all in one system. The interchangeable rotors can be quickly changed to achieve desired size reduction results down to D90 < 35 µm. This mill is constructed in stainless steel and is easy to disassemble for cleaning. It can be operated with conditioned air or liquid nitrogen to lower the grinding chamber temperature and to embrittle feed materials for more efficient milling.

Typical size reduction results on the UMP:

  • Wax: 3 mm feed materials – milled down to D90 < 250 µm
  • Plastics: 500 µm feed materials milled down to D97:100 µm
  • Rice Hulls: D97: 2mm feed size to 90% < 200 µm
The hammer configuration produces similar results as the Mikro Pulverizer, grinding many materials down to D97 < 45 µm. The pin disk rotors can achieve finer results down to D97 < 35 µm, but since there is no retaining screen, the finished material will have a wider particle size distribution.  The knife rotor can be used for coarse granulation or as a pre-chopper of larger feed materials up to 1” in diameter. Attrition plates are designed to mill plastic and polymer materials to fine powders without cooling gas or nitrogen. Some polymers can be ground down to D90 < 100 µm. The attrition plates are also effective at grinding fibrous materials that do not respond well to impact milling. Hosokawa’s toll processing facility has two Mikro UMP Universal Mills available for custom processing. Production rates can range from a few pounds per hour up to 800 lbs/hour.

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