Integrated grinding system for wheat and grain
Optimize your grinding process with a system that delivers consistent particle size through advanced roller technology while reducing energy consumption and minimizing floor space requirements, seamlessly integrating into your production line for continuous, high-speed operations.

Grinds and Mixes Grains for Optimal Yield
The Arrius MRRA from Bühler Group is a fully integrated grinding system that revolutionizes grain and feed processing. With a seamlessly integrated motor and gearbox, this system achieves up to 10% energy savings, making it both efficient and economical. Its robust roller pack ensures unparalleled grinding stability by optimizing energy transfer to the product. The Arrius system is adept at processing a wide range of grains and biomass, turning them into high-quality end products such as flour, semolina, cornmeal, and more.
Designed for continuous, high-speed operations, the Arrius processes up to several tons per hour, enhancing throughput while maintaining product consistency. It features a smart control system accessible from mobile devices for easy operation and real-time monitoring. With a food-grade construction, the system prioritizes hygiene, enabling residue-free cleaning and complying with top food safety standards. Moreover, the Arrius offers customizable options, including different roller sizes and additional monitoring features, supported by Bühler’s engineering expertise, ensuring it meets specific production needs effectively.
Benefits
- Enhances production efficiency with streamlined grinding and mixing processes.
- Reduces energy consumption by up to 10% through integrated drive technology.
- Minimizes installation time and costs with a plug-and-play design.
- Ensures food safety with a hygienic, easily cleanable structure.
- Customizable to specific production needs, increasing versatility and output quality.
- Applications
- Durum wheat,Snacks,Bakery,Chocolate,Dairy,Biorefinery,Oats,Sorghum,Pulses,Paddy,Starch,Spices,Aqua feed,Biomass,Breakfast cereals,Cocoa,Animal feed,Alternative proteins,Pasta,Pet food,Nuts,Food ingredients,Rice,Wheat,Oilseeds,Confectionery,Coffee,Corn
- End products
- Dog kibble,Bread,Wood pellets,Cheese,Sorghum flour,Fish feed,Spice blends,Cocoa powder,Bioethanol,Cornmeal,Protein isolates,Cornflakes,Semolina,Lentil flour,Snack bars,Oat flakes,Ground coffee,Soybean oil,Flour,Chocolate bars,Rice flour,Feed pellets,Almond paste,Macaroni
- Steps before
- Purification,Drying,Dehulling,Grain handling,Conditioning
- Steps after
- Sifting,grading,Optical sorting,Packing,Palletizing,Weighing,Dosing
- Input ingredients
- Output ingredients
- Market info
- Buhler is renowned for manufacturing advanced process solutions for food, feed, and advanced materials. They are highly regarded for their innovation in milling technology and equipment quality.
- Automation
- Integrated control system
- Energy Efficiency
- Save up to 10%
- Roller Length
- 1000 mm,1250 mm,1500 mm
- Grinding Force Measurement
- Available
- Building Investment Cost Savings
- Save entire floor
- Size Options
- Four-roller,Eight-roller
- Drive Type
- Integrated motor and gearbox
- Changeover Time
- Less than an hour
- Feed Type
- Asymmetrical inlet and screw
- Temperature Monitoring
- Roller and bearing temperature
- Web Server Control
- Remote monitoring
- Grinding stability
- Unparalleled
- Feed module distribution
- Homogeneous mixing
- Energy efficiency
- Up to 10% savings
- Usability
- Best-in-class,web server integration
- Integration level
- Plug-and-play design
- Operational safety
- Electronically lockable cover,hand guard protection
- Maintenance ease
- Quick roller pack change (less than an hour)
- Connectivity
- Remote app access
- Cleaning method
- Residue-free discharge,cleanable under the machine
- Customization
- Variety of roller sizes and options
- Cleanability
- Stainless steel surfaces
- Density/particle size
- Varies with cereal types
- Abrasion resistance
- High
- Corrosive resistance (e.g. acids)
- Stainless steel surfaces
- Biological compatibility
- Food-grade materials
- Control panel type
- Integrated web server
- Discharge method
- Residue-free discharge
- Plug-and-play design
- Pre-wired and tested
- Size Options
- Four-roller and eight-roller versions
- Roller Lengths
- 1000 mm,1250 mm,1500 mm
- Hygienic Design
- Stainless steel,food-grade materials
- Control system type
- Integrated web server
- Roller version
- Four-roller / Eight-roller
- Roller lengths
- 1000 mm / 1250 mm / 1500 mm
- Grinding gap adjuster
- Motor-driven
- Temperature monitoring
- Roller and bearing
- Grinding force measurement
- Available