Industrial hammermill for size reduction
Optimize your production line with high-efficiency size reduction, designed to handle continuous and demanding operations while minimizing noise and vibration in various processing applications.

Grinds and Reduces Materials Efficiently
The HM Series Hammermills from CPM is designed to tackle the most demanding size reduction tasks across various industries, including animal feed, biomass, and food processing. Featuring a robust air-swept teardrop design and a patented regrind chamber, it minimizes noise and vibration for efficient operation. Capable of processing up to 500 horsepower, the HM Series offers continuous high-speed grinding for applications like cattle feed pellets and ethanol production. Its customizable options, including bi-directional flow directors and optional fine grind packages, ensure it meets specific processing needs. Innovations like replaceable AR235 wear liners and diamond hammers enhance durability, while advanced automation enables seamless integration into existing production lines. With built-in temperature and vibration monitors, it ensures safe and energy-efficient operation, optimizing your processing efficiency with precision and reliability.
Benefits
- Enhances operational efficiency with continuous high-speed grinding.
- Reduces maintenance interruptions using full-access pivoting doors for easy servicing.
- Ensures durability and extended equipment life with abrasion-resistant wear liners.
- Improves process safety with integrated vibration and temperature monitoring.
- Minimizes noise and vibration emissions, creating a safer, quieter work environment.
- Applications
- Aquaculture,Animal feed,Ethanol,Pet food,Hemp,Food industry,Oilseed processing,Hops,Rendering,Biomass
- End products
- Wood pellets,Tallow,Flour,Cat kibble,Malt extract,Hemp oil,Fish feed pellets,Cattle feed pellets,Soybean meal
- Steps before
- Grinding,Particle Size Reduction,Weighing
- Steps after
- Cooling,Pelleting,Packing
- Input ingredients
- grains,corn,wheat,barley,soybeans,oilseeds,biomass,pet food materials,hops,hemp
- Output ingredients
- ground feed,fine powder,pelleted materials,processed grains,particle size reduced materials
- Market info
- CPM is known for manufacturing high-quality process equipment and technology solutions for the industrial and agricultural sectors, specializing in particle size reduction, conditioning, and pelleting solutions with a strong reputation for reliability and innovation.
- Rotor Diameter x Width
- 38 x 16 - 56 in
- Rotor Diameter x Width
- 44 x 16 - 56 in
- Rotor Diameter x Width
- 54 x 16 - 48 in
- Screen Area
- 1,728 - 5,184 in²
- Screen Area
- 1,920 - 5,760 in²
- Screen Area
- 2,368 - 7,104 in²
- HP Range
- 75 - 450
- HP Range
- 50 - 450
- HP Range
- 125 - 500
- Air Requirements
- 2,160 - 6,480 CFM
- Air Requirements
- 2,400 - 7,200 CFM
- Air Requirements
- 2,960 - 8,800 CFM
- Tip Speed
- 1800 RPM
- Tip Speed
- 1800 RPM
- Tip Speed
- 1800 RPM
- Tip Speed
- 1500 RPM
- Tip Speed
- 1500 RPM
- Tip Speed
- 1500 RPM
- Width
- 59 1/2 in - 79 1/4 in
- Height
- 93 7/8 in - 103 7/8 in
- Depth
- 86 - 150 in
- Depth
- 86 - 154 in
- Depth
- 86 - 146 in
- Material Compatibility
- Abrasion-resistant wear liners
- Construction Type
- Double-wall box construction
- Noise and vibration control
- Minimized
- Automation level
- Manual / PLC / SCADA
- Batch vs. continuous operation
- Continuous
- Airflow direction
- Bi-directional
- Cleaning method
- Manual
- Mechanical stability
- High-density frames
- Service access
- One-piece,full-access doors
- Abrasion resistance
- AR235 abrasion-resistant wear liners
- Cleanability
- One-piece,full-access doors for easy service
- Machine Footprint
- Width
- Rotor Diameter x Width
- 38 x 16 - 56 in,44 x 16 - 56 in,54 x 16 - 48 in
- Screen Area
- 1,728 - 7,104 in²
- Discharge Method
- Air discharge base
- Design Features
- Double-wall box construction,Pivoting full-access doors
- Base Type
- Mechanical steel tube
- Control panel type
- HMIs/Touch Panels
- Integration possibilities
- MM4 Automation System
- Air discharge base
- Optional
- Feeder options
- Premium feeder options
- Vibration dampening
- Double-wall box construction filled with vibration-dampening material