Nowadays, wood companies are ever more interested in automatic vision systems (Li & Wu, 2009), (Åstrand & Åström, 1994), for an effective surface inspection that greatly increases the quality of the end product (Smith, 2001), (Armingol et al., 2006). The inspection process, in most visual inspection systems, pursues online defects identification, to reach optimum performance (Malamas et al., 20...

this research was conducted in the west forest of guilan, northern iran. data from various harvesting methods for 20 years were collected. results showed that, productivity rate of round wood, pulp wood and fuel wood has had an upward trend, while rate of traditional products (lumber, sawn wood, charcoal, etc.) has had a downward trend. production cost has been investigated in this research. th...

Differences between product and corporate carbon footprint seriously hinder its wider implementation. The compound method based on financial accounts is a tiered hybrid analysis developed from advances in ecological footprint which main strength is its capability to calculate both product and corporate carbon footprint in a comprehensive assessment. This work aims to evaluate the compound metho...

This paper deals with the product design, engineering, and material selection intended for the manufacturing of an eco-friendly chair. The final product is expected to combine design attributes with technical and legal feasibility with the implementation of new bio-based materials. Considering the industrial design, a range of objectives and trends were determined after setting the market requi...

The most common wood species in Sweden, and one of the most important renewable raw materials in Northern Europe, is Norway spruce (Picea abies). Today, it is utilized mainly for sawed timber and the production of pulp and paper. A modern kraft pulp mill that produces bleached pulp has a material efficiency of about 40-45%, and the final product contains mainly cellulose. The other components o...

the main objective of this study is to investigate the production factors productivity in large manufacturing sub-sectors. for this purpose, using statistical data for period 1972-2004, we have tried to study and analyze the trend and level of production factors productivity (partial and total productivity) in each sub-sectors classified according to isic two digits code. the average and margin...

We conducted a study of the health and working conditions in 10 carpenter's workshops in the municipality of Armenia (Colombia). In these workshops, all the most exposed workers to wood dust were surveyed at the areas of sanding, brushing, immunization and painting (workers with the highest risk to get chronic respiratory disease). They were 177 workers. The use of hard and soft woods for furni...

In this study we evaluated the tribological performance of polypropylene composites with wood-flour fillers obtained as a by-product from wood-processing industry, which were based on unrecycled and recycled polymer matrices. The mechanical properties polypropylene-wood wood-filler loadings 0–40 wt % determined tensile tests their friction wear behaviours studied dry reciprocating ball-on-disc ...