Virkestorkningens inverkan på impregnerbarhet i furusplint – Del II
Virkestorkningens inverkan på impregnerbarhet i furusplint – Del II
Virkestorkningens inverkan på impregnerbarhet i furusplint – Del II
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Innehållsförteckning<br />
1 Inledning ............................................................................................................................ 1<br />
1.1 Bakgrund .............................................................................................................................. 1<br />
1.2 Syfte ....................................................................................................................................... 2<br />
1.3 Mål ......................................................................................................................................... 2<br />
1.4 Avgränsningar ...................................................................................................................... 3<br />
2 Material och Metoder ........................................................................................................ 4<br />
2.1 Virkesdimensioner, sågning, torkning och hyvling ........................................................... 4<br />
2.2 Impregnering ........................................................................................................................ 9<br />
2.3 Kapning och visuell bedömning ........................................................................................ 10<br />
2.4 Poängsystem för impregneringsmissar ............................................................................ 12<br />
3 Resultat och diskussion ................................................................................................... 13<br />
3.1 Fuktkvot efter torkning ..................................................................................................... 13<br />
3.2 Fuktkvot innan impregnering ........................................................................................... 14<br />
3.3 Densitet................................................................................................................................ 15<br />
3.4 Impregneringsresultat ....................................................................................................... 15<br />
3.4.1 Gruppvis ........................................................................................................................................ 16<br />
3.4.2 Inverkan av fuktkvot, temperatur och dimension .......................................................................... 16<br />
3.4.3 Inverkan av densitet ...................................................................................................................... 21<br />
3.4.4 Missarnas svårighetsgrad .............................................................................................................. 22<br />
3.4.5 Avstånd från toppända .................................................................................................................. 24<br />
3.5 Impregneringsresultat <strong>–</strong> Multivariat dataanalys (MVDA) ............................................ 26<br />
3.5.1 MVDA <strong>på</strong> individnivå hela materialet .......................................................................................... 26<br />
3.5.2 MVDA <strong>på</strong> medelvärdesnivå av grupper ........................................................................................ 26<br />
3.5.3 MVDA <strong>på</strong> medelvärdesnivå av brädgrupper ................................................................................. 29<br />
4 Kemisk analys av vedegenskaper .................................................................................... 32<br />
5 Slutsatser och Rekommendationer ................................................................................. 39<br />
6 Fortsatt arbete .................................................................................................................. 40<br />
7 Referenser ........................................................................................................................ 41<br />
8 Övrigt ............................................................................................................................... 42<br />
8.1 Kontaktpersoner ................................................................................................................ 42<br />
Bilaga 1. MVDA <strong>–</strong> Variabler och beskrivning ......................................................................... 1<br />
Bilaga 2. Bildexempel <strong>på</strong> missar…………………………………………………………….. 2<br />
<strong>II</strong>I