SP T
echnical Research Institute of Sweden
SP Wood Technology
SP Quality On-Line
SP
INFO 2013:38
SP Quality On-Line is software which automatically classifies logs at the measuring station or saw-intake at sawmills based on data from existing 3D log scan-ners.
When SP Quality On-Line is used at the measuring station the logs can be quality graded. When SP Quality On-Line is used in the saw-intake, a sawmill using dynamic sawing patterns can optimize the sawing patterns according to log quality and/or log type.
Grade your logs
SP Quality On-Line allows you to grade the log based on the quality of the log and/or log type (butt, middle or top log), so that you can use it for the right products.
Another possibility with SP Quality On-Line is to use wane optimizing. If the log has a lower quality it is possible to optimize the saw setup according to the wane rules for this grade, thus resulting in a higher volume and value yield. Simultaneously, high quality logs can be sawn to minimize the risk that the resulting boards are downgra-ded due to wane.
How it works
SP Quality On-Line works on a separate computer to which the scanner sends data describing the log shape. SP Wood Technology has developed a technology platform that provides smooth and reliable communication with most existing 3D scanners.
Data is analyzed using multivariate mathematical models. After processing the data, the decision concerning log type and/or log quality is sent back to the control system. The sawmill has possibilities to adjust the thresholds for different grades to control the volume and quality yield. Experience from users of SP Quality On-Line shows that 75-95% of the logs are correctly graded according to log type. The hit rate depends on diameter and the accuracy of your 3D scanner.
For more information, please contact:
Per Berg SP Wood Technology P.O. Box 5609 SE-114 86 STOCKHOLM SWEDEN Tel: +46 10 516 62 01 Email: per.berg@sp.se
SP Wood Technology is a major player in the development of the new bio based society. Our research and
develop-ment activities are dominated by large national- and international projects as well as industry projects. We are also acti-vely involved in standardization through CEN and ISO. SP Wood Technology has qualified resources for research as well as testing for a range of materials and products.
The department of Processing and Processes supplies the wood working industry with measuring tools developed from extensive research activities as well as from customer demands. Processing and Processes supply the industry with deve-lopment of new technology, methods, and processes in order to give the wood mechanical industry possibilities to deliver high quality products in a cost-efficient way.
Products Services (a small selection)
SP Bark On-Line 3D-visualisaition
SP DrySim Programing, Database layout, Data analysis and Long-term data logging SP GrainAngle On-Line Deformation control
SP HeartWood On-Line Energy measurements
SP PlankProfile On-Line Lean production and Preventive maintenance SP Quality On-Line Gluing and drying
SP SizeControl Sorting rules SP TimberNav Tracking
Downtime monitoring Testing
SP Wood Technology
Borås, Skellefteå, Stockholm, Växjö Address: Box 857, 501 15 Borås, Sweden Tel:+46 10 516 50 00
