Wood hammer mill systems turn a wide range of biomass materials into uniform particles for pelleting, briquetting, fuel, feed, and industrial processing. Adjustable screens produce 0.5-20 mm output, making one machine suitable for primary, secondary, or fine grinding applications.
To meet the processing conditions of different customers, we provide flexible hammer mill configurations and customized solutions, including models equipped with magnetic separators for removing metal impurities, impeller feeders for stable material feeding, and other supporting systems to improve crushing efficiency and production stability. Whether processing wood chips, sawdust, straw, hay, or other biomass materials, our wood hammer mill machine can be designed according to raw material characteristics, capacity requirements, and final product specifications. With successful biomass grinding projects completed in many countries worldwide, we help customers select the right equipment configuration and build reliable crushing solutions for their businesses.
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Our hammer mill can process most biomass materials that meet the feeding requirements, including wood residues, agricultural waste, and forage materials. Typical inputs include logs and branches after chipping, wood offcuts, pallets, sawdust, wood chips, bark, bamboo, crop stalks, shells, hulls, grasses, and other organic residues. Whether for fine powder production or secondary grinding before pelletizing, the machine provides a practical size reduction solution.
Wood Chips and Scraps
Wood Shavings Waste Materials
Bamboo Strips Processing Waste
Crop Shells and Husks
Crop Straw and Stalks
Fresh Grass Forage Materials
The wood hammer mill is suitable for customers across biomass energy, wood processing, feed manufacturing, agriculture, and recycling industries. It serves biomass pellet producers, furniture and engineered wood factories, paper mills, feed mills, charcoal producers, organic waste treatment companies, and other businesses that need to crush qualified raw materials into uniform particles for further processing or reuse.
Biomass Pellet Fuel Plant
Timber and Panel Factories
Paper and Pulp Mills
Feed Mills and Farms
Charcoal and Carbon Plants
Agri Waste Compost Plants
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The wood hammer mill processes materials up to 50 mm into uniform particles ranging from 0.5 mm to 20 mm. By simply replacing the screen, operators can quickly adapt the machine for coarse grinding, secondary grinding, or fine grinding, making it suitable for pellet production, biomass fuel, animal bedding, feed processing, and many other applications without changing the core equipment.
The grinding system is engineered to maintain stable motor loading throughout operation, helping keep current fluctuations within approximately 10% under normal working conditions. This improves energy utilization, reduces unnecessary power loss, and enables the machine to maintain consistent throughput even when processing different biomass materials.
An advanced teardrop-shaped grinding chamber combined with an optimized secondary grinding path improves material circulation and hammer impact efficiency. Compared with conventional chamber designs, this structure can increase production capacity by up to 25%, while also reducing dead zones and improving overall grinding uniformity.
The patented shaft-end air intake system enhances airflow inside the grinding chamber, allowing finely ground materials to pass through the screen more efficiently. This design is particularly effective when producing smaller particle sizes, where capacity can increase by more than 20% compared with conventional hammer mill structures.
The extra-wide grinding zone is matched with an optimized hammer layout to maximize the effective impact area. A newly designed adjustable screen holder and material-blocking mechanism reduce material recirculation inside the chamber, improving grinding efficiency while increasing screen stability and extending component service life.
The rotor supports forward and reverse operation, allowing both sides of the hammers to be used before replacement. This design distributes wear more evenly, extends hammer service life, reduces maintenance frequency, and lowers long-term operating costs without affecting grinding performance.
Each rotor undergoes high-precision dynamic balancing before assembly to ensure smooth, stable operation at high rotational speeds. The result is lower vibration, reduced operating noise, less stress on bearings and structural components, and improved reliability during continuous industrial production.
Large inspection doors provide quick access to hammers and screens for routine inspection and replacement. The linked screen-locking mechanism simplifies maintenance while ensuring secure installation during operation. A built-in safety interlock system prevents accidental startup when access doors are open, helping protect both operators and equipment.
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Every wood hammer mill project reflects different raw materials, production targets, and operating conditions. Over the years, we have supplied grinding equipment and complete biomass processing systems to customers in many countries, providing customized design, manufacturing, installation support, commissioning, and long-term technical service. Explore some of our real project videos to see how our solutions perform in practical production environments.
Supplied to a commercial wood pellet producer, this wood hammer mill processes screened softwood chips from local sawmills into uniform particles for a 2–2.5 t/h pellet line. The system was configured for stable continuous operation and low maintenance.
Built for a 1–2 t/h wood pellet plant, this wood hammer mill grinds mixed eucalyptus and pine wood chips with varying moisture levels. The solution was customized to improve particle consistency while supporting reliable pellet production under local operating conditions.
This pre-shipment testing video showcases a wood chip hammer mill and wood chipper manufactured for an Australian animal bedding project. The customer will use the integrated system to convert wood into high-quality sawdust with a consistent particle size, providing a reliable raw material for premium animal bedding production.
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Every project starts with your material. We customize the wood hammer mill according to raw material type, moisture, particle size, capacity, and downstream process to achieve the best grinding performance.
Choose from magnetic separators, impeller feeders, variable-frequency drives, dust collection systems, automatic control, and other options to build a wood hammer mill that fits your production line perfectly.
One machine can support multiple industries, including wood pellet production, biomass fuel, feed processing, charcoal, bedding, compost, and agricultural waste recycling with appropriate screen selection.
Every wood hammer mill is produced using precision machining, strict quality inspection, and durable wear-resistant components, ensuring dependable performance under demanding operating conditions.
Beyond standalone equipment, we design complete biomass processing systems, helping customers integrate crushing, drying, pelleting, cooling, screening, and packaging into one efficient production solution.
From project planning and equipment manufacturing to installation guidance, commissioning, operator training, spare parts, and long-term technical assistance, RICHI supports customers throughout the entire equipment lifecycle.
A wood hammer mill should do more than simply reduce material size—it should match your raw materials, production goals, and future expansion plans. At RICHI, every machine is engineered around real processing requirements, combining proven manufacturing quality with flexible customization and reliable technical support for customers worldwide.
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Whether you need a compact machine for a small production line or a high-capacity wood hammer mill for continuous industrial operation, we offer models to match different raw materials, production capacities, and finished particle size requirements. Every machine can be customized with feeding, metal removal, dust collection, and control systems to suit your process, ensuring the right solution for your biomass grinding project.
| Model | SFSP56*40 | SFSP66*60 | SFSP66*80 | SFSP66*100 | SFSP66*120 | SFSP66*150 | |
|---|---|---|---|---|---|---|---|
/ Rotor Dia.（mm） |
560 | 660 | 660 | 660 | 660 | 660 | |
| crushing chamber width（mm） | 400 | 600 | 800 | 1000 | 1200 | 1500 | |
| Rotating Speed（rpm） | 2980 | 2980 | 2980 | 2980 | 2980 | 2980 | |
/ Line speed of hammers（m/s） |
88 | 103 | 103 | 103 | 103 | 103 | |
| Power（kw） | 37 | 55 | 90 | 132 | 185 | 220 | 220 |
| （T/H） | 0.5-0.6 | 1.0-1.2 | 2.0-2.5 | 3.0-4.0 | 4.0-5.0 | 5.0-6.0 | 7.0-8.0 |
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A Russian biomass fuel producer integrated this wood hammer mill into a complete wood pellet line to process screened pine and spruce chips from nearby sawmills. After grinding, the material entered a rotary dryer before pelletizing, producing premium residential heating pellets for the domestic and European markets.
Stable production and very consistent particle size. The complete line performs exactly as designed.
An Australian timber manufacturer purchased a complete grinding system to recycle eucalyptus offcuts, pallet waste, and production scraps. The processed material is used for commercial biomass fuel pellets, significantly reducing waste disposal costs while creating additional revenue.
The customized feeding system handles irregular wood waste very well.Installation support was professional from start to finish.
A Brazilian furniture manufacturer selected this wood hammer mill to further grind coarse pine and eucalyptus shavings collected from planing machines. The finished material is supplied to a nearby biomass pellet producer under a long-term supply agreement.
Particle size is much more uniform than our previous equipment.Maintenance is straightforward and operating costs remain low.
This project serves an Indonesian biomass fuel exporter processing palm kernel shells before briquetting and industrial fuel production. The system was reinforced to accommodate the abrasive nature of palm shells while maintaining continuous operation.
Excellent performance with hard biomass materials. RICHI customized the machine exactly for our application.
A French agricultural recycling company uses this wood hammer mill to process imported peanut shells into uniform particles for biomass fuel blending and organic growing media. The solution was designed for stable feeding of lightweight materials.
The grinding quality exceeded our expectations. Very responsive technical support.
A Romanian sunflower oil processor installed a complete grinding and conveying system to prepare sunflower seed shells for pellet fuel production. The processed biomass is used as renewable fuel for the company's own steam boilers.
The system runs continuously with very little downtime.Our fuel preparation process is now much more efficient.
A commercial biomass processor in Argentina selected this wood hammer mill to grind dried corn cobs collected from local grain farms. The finished material is supplied for biomass pellets and industrial boiler fuel.
Good capacity even during peak harvest season. The equipment is easy for our operators to maintain.
A Finnish sawmill integrated this wood hammer mill into a complete bark processing line. After grinding and drying, the bark is pelletized for district heating systems, making full use of forestry residues generated during timber production.
Designed specifically for high-moisture bark.Reliable equipment for continuous industrial production.
A Malaysian bamboo products manufacturer invested in a complete biomass preparation system to grind bamboo chips before drying and pellet production. The solution was configured according to the high fiber content and toughness of local bamboo species.
The customized rotor design handles bamboo efficiently. Excellent engineering support throughout the project.
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A standalone wood hammer mill is only one part of an efficient size reduction process. RICHI designs and manufactures complete pulverizing systems that combine feeding, conveying, grinding, dust control, discharge, and intelligent control into one coordinated solution. Whether you need an independent grinding station or a wood hammer mill integrated into an existing pellet plant, biomass processing line, or recycling facility, every system is engineered around your raw materials, capacity, plant layout, and automation requirements.
Screw conveyors, belt conveyors, bucket elevators, and chain conveyors ensure smooth, continuous material flow between every processing stage.
Drum screens, vibrating screens, magnetic separators, and stone removers eliminate oversized debris, metal, and impurities before grinding for higher efficiency and longer equipment life.
Cyclones, pulse jet bag filters, ductwork, and induced draft fans reduce dust emissions while recovering valuable fine materials.
PLC controls, touch screens, sensors, and variable-frequency drives provide centralized operation, monitoring, and production management.
Every wood hammer mill is selected and configured according to your material characteristics, target particle size, and production objectives. From compact standalone units to heavy-duty industrial systems, we deliver complete engineering support to ensure reliable performance, easy integration, and long-term production efficiency.
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A wood hammer mill typically costs USD 2,000 to over USD 50,000, depending on capacity, motor power, configuration, automation, and whether it is supplied as a standalone machine or part of a complete system. If you are looking for a wood hammer mill for sale, we can recommend the most suitable model after understanding your material, required particle size, and production target.
Our machines handle wood chips, wood shavings, sawdust, bark, bamboo, crop straw, grasses, peanut shells, rice husks, palm fiber, corn cobs, bagasse, and many other biomass materials that meet the feeding requirements.
Yes. If the materials have similar physical characteristics, one biomass hammer mill can process multiple raw materials by changing screens and adjusting operating parameters. We recommend confirming all intended materials before equipment selection.
The finished product normally ranges from 0.5 mm to 20 mm. Different screen openings produce different particle sizes, allowing the machine to meet requirements for pellet production, briquetting, fuel, feed, or other applications.
Common options include small hammer mill for wood, industrial wood hammer mills, feed hammer mills, fine grinding hammer mills, and customized systems with magnetic separators, impeller feeders, dust collection, or automatic control. We select the configuration according to your application.
It can, but moisture content is important. Fresh chips with high moisture are usually dried before fine grinding to improve efficiency and prepare the material for pelletizing or other downstream processes.
No. Logs, large branches, and oversized wood should first be reduced by a wood chipper. The wood hammer mill machine is designed to process materials generally up to 50 mm in size.
It depends on the material and application. For most biomass pellet projects, customers grind materials after they have reached a suitable moisture level for efficient processing and stable production.
Besides wood pellet plants, customers include biomass fuel producers, furniture manufacturers, wood recycling companies, charcoal producers, agricultural waste processors, paper mills, and feed manufacturers.
Yes. We regularly integrate new grinding equipment into existing pellet plants, biomass processing systems, and recycling facilities. Our engineers design the layout according to your available space and process flow.
The most important factors are raw material type, feed size, moisture content, required capacity, target particle size, and downstream process. We recommend models based on complete project data rather than capacity alone.
Yes. Our electric wood hammer mill models are designed for continuous industrial production when operated and maintained according to recommended procedures.
Absolutely. A hammer mill for wood pellets prepares raw materials to the particle size required for efficient pelletizing, helping improve pellet quality and production stability.
Replacement intervals depend on operating hours, raw material hardness, contamination, and maintenance practices. Wear parts are designed for convenient replacement to reduce downtime.
Yes. Most customers install cyclone separators, pulse dust collectors, ducting, and fans to improve the working environment and recover fine particles.
We supply models from approximately 0.5 t/h to more than 8 t/h, and we also design larger customized hammer mill for biomass systems for complete industrial production lines.
Yes, provided the material is free of excessive metal, stone, or other contaminants. Magnetic separators and pre-cleaning equipment can also be included where necessary.
No. Besides the wood hammer mill, we manufacture complete systems including feeding, conveying, drying, grinding, dust collection, storage, pelleting, cooling, packaging, and PLC control.
Yes. Our equipment has been supplied for biomass processing projects in Europe, Asia, South America, Africa, Oceania, and other international markets, covering many different raw materials and production capacities.
Please provide your raw material type, moisture content, maximum feed size, required output size, target capacity, planned application, available power supply, and whether you need a standalone machine or a complete grinding system. This allows us to recommend the most suitable solution quickly and accurately.
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As a global leader in pelletizing solutions, RICHI represents a fully integrated technology partner that masters every dimension of modern production systems. From pioneering research in material science to precision engineering and industrial-scale manufacturing, we build complete production ecosystems that transform raw materials into high-value pellets. Our holistic approach ensures each project is founded on three pillars: engineering precision that guarantees operational efficiency, continuous innovation that adapts to evolving market demands, and uncompromising reliability that sustains production for decades. With vertically controlled manufacturing and end-to-end project management, we deliver not just equipment, but fully optimized production assets that drive profitability across industries worldwide.
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Founded in 1995, RICHI Machinery has evolved from a specialized manufacturer into a global engineering provider for complete pelletizing systems. With two major manufacturing bases spanning over 60,000 m², we control every step from design to delivery, ensuring unmatched quality and depth of production. Our commitment to excellence is reflected in our global impact, serving clients in over 140 countries with more than 2,000 successful projects and 10,000+ equipment units delivered worldwide.
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For nearly three decades, RICHI has mastered the complexities of diverse materials across global industries. We provide end-to-end pelletizing systems, delivering the complete technological and engineering support needed to transform raw materials into high-value products. From initial concept to operational plant, we are your single partner for launching and scaling a successful pellet processing business.
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