2017 International Forest Industries Magazines June July 2017 | Page 39

The new bandsaw line will comprise
• 3D scanning and optimization
• 750E Rotary log turner , LogPos S4 log infeed
• 2 Chip Canter 2500 reducing units
• 2 Logmaster HPS bandsaws
• High-speed ribbon cutting up to 150 m / minute ( 500 ft / minute )
Savar mill facts
• Annual production : About 200,000 m 3 ( 84,755 mbf ) of sawn timber . Bandsaw line for all timber dimensions
• Raw material : About 60 % pine and 40 % spruce
• Planing : About 40,000 m 3 ( 16,951 mbf ) in a planing line , length capacity up to 12 m
The Logmaster HPS
• Employees : about 90 full-time employees
We get almost as high a flow rate as in a circular saw line , but with higher yield
Stig Grundberg , Savar
sides of the log in order to create square cants ,” Grundberg said . “ This increases the possibilities both to change the settings and to reduce the log gaps from 2-2.5 m ( 78-98 in ) to 0.5 m ( 20 in ).
“ Thus , we get almost as high a flow rate as in a circular saw line , but with higher yield ,” he explained , while suggesting that top speeds of more than 150 m / minute are achievable .
The goal of halving the already
thin saw cuts of only 3 mm ( 1 / 8 in ) to 1.5 mm ( 1 / 16 in ) is a much tougher challenge .
“ I have high hopes that we reach down to 2 mm ( 3 / 32 in ) cuts in our new line , and then we can say that we have halved the kerfs compared to circular saw lines , which rarely come under 4 mm ( 5 / 32 in ). You should have challenging goals and there is more knowledge to explore ,” laughed Grundberg .
Grundberg holds a PhD in X-ray technology in the sawmill industry , and he is passionate about the application of technology solutions . It is one reason that the Northern Forest owners have confidence partnering with Söderhamn Eriksson / USNR as a supplier .
“ We have enjoyed a good relationship of cooperation with Söderhamn Eriksson in recent years ,” Grundberg said . “ The company is equally interested in development , and the configuration of the bandsaw line is unique in the market . It ’ s exciting to work toward achieving the fastest bandsaw line in the world and to challenge the market with this unique solution .”
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International Forest Industries | JUNE / JULY 2017 33