SHIFTING & SORTING
Ergonomics and flexibility have been the guidelines when constructing Sawco’s operator chair
Springer has developed a mechanical plant concept that conforms to the Swedish market and simultaneously a trendsetting revolation in Swedish roundwood measurement – the first screw unscrambling/allocating system solution from Springer with the multisensory system Logeye from Microtec – Springer
at SCA in Bollstabruk where it increased production by 1% in the first operating phase.
After the assessment conveyor, up to 45 logs a minute are transferred to the longitudinal transport equipped
with Duplex chains and special synthetic carriers. Fragments or waste are discharged into three concrete boxes opposite the control deck. Finally, after the metal detecting coil, debarking is performed with a
hydraulic in-feed and draw-out mechanism. The heart of the roundwood measuring system is composed of the Microtec Logeye 302 measuring with a combination of Tomolog (X-ray scanner), Dishape (3D scanner) as well as a Screenlog-Plus (colour scanner). Subsequently the logs can be discharged onto a measurement control conveyor or into a large dimensioned box. With a speed of up to 220 m/min, the roundwood for sawing is absorbed in the 86 concrete boxes with complete metal sheet lining over a total length of 385 m.
The data retrieved by the Sawco’s ProScan as part of its log sorting system
Swedish sawmill supplier, Sawco, has a complete range of products covering all aspects of wood processing from log sorting to dry sorters and the planing mill. The products and concepts making up the log sorting range include diameter measurement under bark, timber inventory control, log gap control, sawline optimisation for logs and cants, sawline measurement control of the centre boards, board handling and quality scanning in green and dry sorters.
30 International Forest Industries | OCTOBER/NOVEMBER 2011
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