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… today, due to rising raw-material prices and higher production costs. Log sweepness has a negative effect on the sawn yield, for sawmills with straight-sawing. It is desirable that these logs could be sorted based on more criteria, if it increases value-yield and consequently …
en bakgrundsstudie samt simulering av inventeringsmetoders inverkan på noggrannhet i leveransprognoser till sågverk
… and their standard errors, are presented separately for tree species, log type and diameter class. In many Swedish sawmill campanies of today, there is a trend in productian philosophies towards a greater adaption to customer demands. As a component in this process, the …
… enduse orientated quality grading of Scots Pine (Pinus sylvestris) saw logs by using a gamma-ray log scanner. Iggesund Timber AB has the possibility to grade logs automatically with TINA, a two way gamma-ray log scanner. Grading and classification of Scots Pine logs in Sweden …
… it possible to harvest saw timber. ? The trunks can’t be root cut. A methodology called in Swedish ”Trissmetoden” was used because it is the most frequent used methodology in earlier performed studies and the only one that can be used I field. Under the field-study data were …
utvärdering av analysprogrammet Stockholmen för automatiserad timmersortering i dimensions- och kvalitetsklasser hos BARO WOOD AB
… made at BARO WOOD AB today, analyse differences in center board quality from logs with a good quality and logs with a bad quality, suggest new sorting criterias developed from analyses made with Stockholmen and to evaluate the program Stockholmen. All analyses are based on data …
timmerlagning med mallbr?da som exempel
This thesis presents a method of making repairs in log houses. The purpose of the thesis is to use this method to exemplify crafters practical intellect. The method is based on the use of a template board to transfer the measurements onto the new log. There is a dearth of …
en fallstudie av en timmerstomme fr?n 1739
Stenebergs sockerbruk is a large log-timber construction, purpose built as a sugar refinery in 1739 and is one of Sweden's oldest industrial buildings constructed entirely out of wood. Despite receiving the status of a listed building (in Swedish: Byggnadsminne) in 1977, there …
… work towards decreasing the frequency of bucking splits in their saw timber logs. SCA Forest supplies the Munksund sawmill with pine timber. Periodically the sawmill experiences problems related to bucking splits in their logs. The purpose of this study was to find an available …
… two spacing trials, now in an age of 41 years. The hypothesis was that butt logs with thinner branches, smaller relative branch diameter and smaller butt log taper are developed in more dense spacings. Another hypothesis was that initial spacing does not affect the frequency of …
Mechanical harvesting may result in timber damages leading to reduced saw log quality. The initiator of this study was VIDA ? a privately owned concern operating in the value-adding process industry of forest raw materials. The aim of this study was to examine the type and …
… on the pine leads to technical damages which leads to that the price on the log drops. The questionnaire shows that four of five sawmills has not noticed the moose explosion. The fifth sawmill writes that they don’t know. Three out of seven sawmills doesn’t see the moose as a …
indikation, frekvens och utförande
… on the pine leads to technical damages which leads to that the price on the log drops. The questionnaire shows that four of five sawmills has not noticed the moose explosion. The fifth sawmill writes that they don’t know. Three out of seven sawmills doesn’t see the moose as a …
… on the pine leads to technical damages which leads to that the price on the log drops. The questionnaire shows that four of five sawmills has not noticed the moose explosion. The fifth sawmill writes that they don’t know. Three out of seven sawmills doesn’t see the moose as a …
Syftet med denna studie är att beräkna de ekonomiska konsekvenserna för Iggesunds sågverk att övergå från diameterbaserad sågklassläggning, som används i dagsläget, till flytande sågklassläggning för delar av sågverkets timmerkurva. Huvudfrågeställningen indelades i olika …
… steering price lists used. To avoid reversing the harvester head before each log was bucked, the harvest operators instead chose to buck manually. Adjusting the steering price list should reduce the amount of forced bucking. A possible way is to create an optimisation price …
