Pre-refining Beater Blade Mill

  • Beater Blade Mill for first stage grinding of roasted cocoa nibs, nuts and seeds
  • Wiener original design, with leak-tight sieve installation and easily/quickly changeable wear parts
  • Low maintenance by design and construction
  • Well-designed temperature control prevents discoloring and undesirable flavors
  • Small footprint
  • Well-proven technology
  • Clear selection


The Wiener type Nibrotom is designed especially for the pre-grinding of cocoa nibs, nuts, almonds and other seeds with a high fat/oil content. Cocoa nibs are fed from the top into the grinding chamber by a dosing  screw, where knives immediately start the grinding process. These knives are made from specially hardened steel that significantly reduces wear. The pre-ground material (liquor, paste) leaves the machine through a slotted sieve and by selecting the appropriate sieve size, fineness can be adjusted as required. Optimum quality is ensured and maximum capacity is achieved.

This Beater Blade Mill combines optimal results and an excellent particle size distribution with a relatively low wet screen residue. This in turn ensures the best possible performance of all downstream refining equipment.


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Spare parts, repair and maintenance, modifications, inspections and training

Process Lines

Turnkey Solutions:
Complete processing lines from cocoa to chocolate, nuts & seeds

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Additional information


Cocoa Liquor Processing, Cocoa Nibs / Kernel Processing, Paste processing


Types Capacities [kg / hr]
Beater Blade Mill type Nibrotom 600 300 – 500
Beater Blade Mill type Nibrotom 2000 500 – 1.700
Beater Blade Mill type Nibrotom 3500 1.700 – 3.800


The Wiener type Nibrotom is used in the pre-grinding of cocoa nib, in order to make cocoa liquor for cocoa cake or cocoa butter and cocoa powder. But also to grind nuts and seeds in order to make nut paste or nut butter, nut spreads, nut creams or nut oil and nut powder.  Royal Duyvis Wiener offers different methods of pre-grinding and with our stone mills or beater blade mills, we will find the optimum solution for you specific requirements.