Key Features

• Heavy-duty construction
• Suitable for bale sizes up to 750mm x 380mm x 180mm thick (35kgs)
• Effortlessly generates high torque rates at low speed
• Minimal abrasion and noise levels
• Energy-efficient due to low power level required
• Low increase to product temperature for minimal effect to quality
• Improves dissolution efficiency
• Smaller-sized chopped material increases stabilisation rate
• Controlled end particle size
• Easy maintenance and minimal wear
• ATEX-standard versions available
• Automatic pneumatic bale feeder available
• Process systems available

Specifications

The Hosokawa Micron Rubber Chopper is robustly constructed from materials including stainless steel, normal steel and, for the ultimate corrosion resistance, duplex alloy. Perfect for the processing of a wide range of materials, including butadiene, high impact polymer, isoprene, nitriles, styrenes, natural rubber, butyl and reclaim, it is available as a single size unit (PB15) offering power ranges up to 132kw and a heavy-duty design for exceptionally tough grades of rubber.

Production capacity is largely dependent on the raw material being processed, the rotor speed and the power generated under test conditions, but generally speaking the Rubber Chopper is capable of processing from 1.2 to 6 tonnes of material per hour.

The adaptable Rubber Chopper can be fitted with various drive assemblies and chopper configurations to suit customer requirements and features a wear protection discharge barrel.

ATEX-certified versions can be tailor-made to meet European standards, if necessary.

Bale Ram Feeders

The Hosokawa Micron Rubber Chopper can be supplied with an automatic pneumatic bale feeder, which is an extremely popular option for safety and process optimisation reasons.

Most bales of raw material weigh 35kg or more, making them difficult to manage safely when manually fed into the Rubber Chopper. This can lead to bale non-feeding/bridging over the machine rotor, but the pneumatic bale feeder solves this issue, allowing for 100% feeding capability.

The heavy-duty, low maintenance pneumatic bale feeder we have developed addresses and solves those problems by more safely introducing the raw material into the Rubber Chopper mechanism, which results in a more efficient processing speed.

Conveniently, there is no requirement to upgrade the Rubber Chopper’s motor drive or increase the speed of operation to integrate a bale feeder and the bale feeder can also be fitted to the PB15 model without it needing modification.

For hazardous materials or situations, an ATEX-certified version can be supplied for equipment to be used in Europe.

How Does It Work

The Rubber Chopper is engineered for heavy-duty, high-torque rubber bale grinding and size reduction, efficiently shredding bales of rubber and plastic in seconds. Built from robust stainless steel, normal steel, and duplex alloy, it offers exceptional durability and corrosion resistance, supported by a wear-protected discharge barrel for extended service life.

Capable of processing between 1.2 and 6 tonnes per hour, the Rubber Chopper is designed for both standalone operation and seamless integration into bespoke process systems, including continuous in-line and recirculation-type dispersion systems for synthetic rubber processing with solvents such as styrene.

Available with an optional automatic pneumatic bale feeder, the system ensures trouble-free, safe bale feeding while preventing rotor bridging, enhancing operational efficiency. Standard ATEX-certified versions are offered for hazardous area compliance, ensuring safe processing in demanding environments.

The Rubber Chopper handles a variety of rubber bale materials—including butadienes, nitriles, natural rubbers, and reclaimed compounds, making it ideal for producing advanced rubber compounds used in automotive and industrial applications worldwide.