The Bruks BK-RH485 is a used wood chipper — sometimes referred to as a wood chipping machine or drum chipper — designed to process raw timber into uniform wood chips for biomass energy production, pulp and paper manufacturing, and other wood-processing industries. Bruks is a well-established Swedish manufacturer with a long history of supplying heavy-duty chipping, conveying, and screening equipment to the forestry and wood-processing sectors worldwide.
This machine was manufactured and commissioned in 2004 and is located in Austria. It has accumulated approximately 12,500 working hours of service. The chipper is rated to accept timber with a maximum trunk diameter of 485 mm, and handles log lengths ranging from a minimum of 1,500 mm up to a maximum of 5,500 mm, making it suited to processing full-length commercial timber. Rotor disc drive power is 315 kW, reflecting the heavy-duty, continuous-duty nature of the machine. Output chip length is set at 25 mm, a standard dimension for many biomass and pulp applications. Throughput capacity is rated at 80 to 100 cubic metres per hour.
The machine is supplied as a complete chipping system rather than a bare chipper head. Infeed equipment includes a feed belt and a feeding step separator to manage and meter log flow into the chipper. A metal detector is integrated into the system to protect the rotor from damage caused by ferrous contaminants in the timber feed. Chip discharge is handled by two Bruks screw conveyors: one measuring 600 mm wide by 6,500 mm long, and a second measuring 800 mm wide by 9,500 mm long. Electrical control cabinets are included with the machine.
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