Ma­chin­ery con­cen­trates on achiev­ing high re­cov­ery

Australasian Timber - - WOODTECH -

ARI AB was founded in 1918 and Vis­landa Sawmill ma­chines in 1964. The two com­pa­nies merged in 2002 and the name was changed to AriVis­landa AB with the spe­cial­ity be­ing cir­cu­lar saw tech­nique for both com­pa­nies.

World­wide there are many sawmills us­ing equip­ment from AriVis­landa sys­tems in­stalled in all the ra­di­ata pine coun­tries in­clud­ing Aus­tralia, Chile and New Zealand.

“It high­lights the fact that we have a great deal of ex­pe­ri­ence in the sys­tems re­quired for dif­fer­ent pro­duc­tion re­quire­ments you may need,” says Thomas Wästlund, AriVis­landa AB Marketing Man­ager.

“The key ques­tion for us has al­ways been high re­cov­ery which is ob­tained by han­dling the logs as in­di­vid­u­als, i.e. each log is dif­fer­ent and must also be treated as that. If the log not is han­dled cor­rectly in the pri­mary saw­ing group the re­sult can never be op­ti­mal,” Thomas said. In the be­gin­ning of 90´s Ari de­vel­oped a log ro­ta­tor of ro­tor type for a high ac­cu­racy in the log ro­ta­tion process.

Ari was also one of the first com­pa­nies to start curve saw­ing with cir­cu­lar saws. This is to­day used in many sawmills around the world.

From 2002 to to­day con­tin­ual de­vel­op­ment has gone to­wards dou­blear­bour log edgers re­plac­ing ear­lier log edger types with big saw­blades. It is also pos­si­ble to get these ma­chines with “built-in” pro­fil­ing to elim­i­nate board edger’s in the line, if a pro­filer is also added in sec­ondary break­down.

“As men­tioned pre­vi­ously, AriVis­landa is a pi­o­neer when it comes to curve saw­ing which is im­por­tant for the re­cov­ery in the sec­ondary break­down.

“For many years we have sup­plied so called me­chan­i­cal curve saw­ing,i.e. guid­ance of the cant is fol­low­ing the outer part of the cant by var­i­ous hy­draulic pres­sure to the me­chan­ics. To­day it is pos­si­ble to have con­trolled cant guid­ance where the cant is scanned with high res­o­lu­tion laser scan­ners and the cant is guided through a sec­ond can­ter with servo con­trolled side rolls.

“From be­gin­ning of 2014, AriVis­landa has also started man­u­fac­tur­ing log han­dling equip­ment as a com­pany based on ear­lier In­ter­log and Kentab tech­nique was ac­quired. AriVis­landa can to­day of­fer log sorters, login­takes and equip­ment be­long­ing in this area of prod­ucts.

From March this year, AriVis­landa is co­op­er­at­ing with Peter Cooper of HOLTEC Tim­ber Tech­nol­ogy, as our rep­re­sen­ta­tive for Aus­tralia and New Zealand. We will be present at WoodTech 2015 in Mel­bourne and Ro­torua and every­one is in­vited to see us there.

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