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Content archived on 2024-05-23

Snap shot scanning and online optimization for log sawing

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Streamlining the log sawing process

A new technology that aids mills in the sawing process by maximising wood production per log and reducing waste has been designed.

The SOLOLOGS project has combined laser and electronic technologies to automate the log measurement process. A mechanical system automatically moves the logs through the lasers and the measurements are then entered and handled by specific software. The information is then relayed to the sawing machine control systems. In order to adapt to existing laser technologies, the new application required high-level development. For example, the innovative scanner can measure logs with keen precision. Also, the SOLOLOGS architecture is such that scanners and sensors can be added liberally and data communication can be integrated via 100Mbits Ethernet interfaces. This makes the system flexible enough to adjust to particular sawing production conditions at a reduced cost. The SOLOLOGS technology highlights a vital innovative solution for mills because it can optimise their production. Mill operators can reduce decision-making time while improving productivity from 30% to 100%. Raw material loss linked to the imprecise positioning of the sawlogs can be reduced from 15% to 5%. Industrial accidents can be decreased making it safer for operators. The implementation represents a global and fundamental improvement of milling processes that could serve to make European mills more competitive and possibly lead to more jobs in the EU.