Jambrekovic V.,University of Zagreb |
Spanic N.,University of Zagreb |
Jambrekovic T.,Holzcluster Steiermark GmbH |
Iliev B.,University of Macedonia
Drvna Industrija | Year: 2011
This paper presents the research of a specific problem met in woodworking practice by the company K that manufactures door frames made of MDF boards (medium density fibreboards). Visible side surfaces of MDF door frames were lacquered with white polyurethane lacquer. Thirty days after installation, longitudinal surface cracks appeared in the lacquer film on side planes of the door frame. Within the research of the said appearance of cracks, testing was carried out of technical properties and free formaldehyde concentration of the original door frame made of MDF boards by the manufacturer K, MDF boards of the same manufacturer from door frame plant, MDF boards made by the manufacturer H and lacquered experimental MDF boards of both manufacturers. The lacquered surface structure was tested by applying 97 % sulphuric acid (H2SO4) on 5 mm thick lattices that were cut out from side planes of experimental and original door frame samples. The action of acid destructed the lacquer final layer, and pigmented base with other additives was scraped off the surface. It was noticed that the lacquer film on the original door frame made of MDF panels by the manufacturer K had no two-component polyurethane clear base, or that it was applied in a very small quantity. Lacquer film cracking on side planes is the consequence of in-depth cracks in the structure of MDF panels that occur thirty days after lacquering. Experimental boards designated KE, produced by MDF manufacturer K, have an optimum layer of two-component polyurethane clear base, two-component polyurethane white base and two-component polyurethane semi gloss enamel paint. On side planes of these boards no distinctive cracks were observed. In lacquering MDF boards, it is necessary to apply two-component polyurethane clear base on side planes, and to fully protect the door frames with polyurethane films, and not only the visible planes. The use of load bearing MDF boards is necessary in dry conditions - MDF.LA type, and in increased relative humidity, fibreboards are required for general use in humid conditions - MDF.H type or load bearing boards for use in humid conditions - MDF.HLS type. Thin MDF board, glued to a thick MDF board, must be resistant to water or be an HDF fibreboard. Source
Kraler A.,University of Innsbruck |
Reichhold B.,Holzcluster Steiermark GmbH
11th World Conference on Timber Engineering 2010, WCTE 2010 | Year: 2010
The SYSholz project (short for "systematized timber engineering") aims to identify and eliminate weak spots in quotation and tendering processes, enhancing transparency in the individual project stages (concept, rough calculation, planning, tendering, offering, pre- and post calculation) for all parties involved, including architects, planners, property developers and the wood processing industry. The main goal of SYSholz is to create an information system for timber engineers which serves as basis for the development of standardized service specifications and calculation systems for (multi-storey) timber constructions. Source
Agency: Cordis | Branch: FP7 | Program: CP-TP | Phase: NMP.2013.3.0-2 | Award Amount: 4.05M | Year: 2014
The forest-based value chains are one of the dominant contributors to the GDP in the rural regions of Europe. Besides the traditional value chains, novel ones are in the horizon, with significant impacts on the requirements for the raw material supply chains. A major roadblock for improving forest-based value chains is the lack of integrated control and planning mechanism. FOCUS will demonstrate how innovative sensor technologies and control methods can solve this problem, with case studies in Finland, Belgium, Switzerland,Germany,Austria, Portugal covering the main forest-based production processes in Europe biomass for bioenergy, timber and pulp wood, and cork transformation. The goal of FOCUS is to improve the individual value chain processes, and to remove the barriers for integrated planning and control for the whole value chain. The project brings together leading SMEs and organisations in the fields of environment and machine sensors, production machinery and control automation software development. The expertise is needed to address the key challenges: novel sensor development for environment, raw material and production machinery monitoring; new process specific control processes; plug-and-play composition of value chain wide control processes. The productivity and sustainability of the value chains will be enhanced by enabling the best use of the production resources, and by reducing harmful impacts like soil compaction by forest machines, and carbon footprint of the operations. Product marketability will be increased by traceability of raw material origin, and by controlling the quality of the raw material during the production process. The open source FOCUS platform will foster new business models by enabling several SMEs to jointly offer solutions. The project will be a paradigm for support of efficient and sustainable exploitation of existing and new forest-based value chains alike, and will enhance the economic development of European rural areas.
Agency: Cordis | Branch: FP7 | Program: CSA-CA | Phase: REGIONS-2009-1 | Award Amount: 2.59M | Year: 2010
IN2WOOD deals with the challenges of a sustainable European forest management and tackles crucial questions in the RTD environment of the forest-based sector. Wood shall be further established as one of the main renewable resources and the added value of forest in terms of economic and innovative value and quality of life shall be further improved. Aiming at the promotion of crosscutting research on these values, forest clusters of 6 European regions Styria (Austria), North-Rhine Westfalia (Germany), South Tyrol (Italy), Banska Bystrica (Slovakia), Grisons (Switzerland), and Carpathia (Ukraine) - have joined forces to elaborate a Joint Action Plan for the future coordination and strengthening of their complementary RTD potentials. The project aims at 5 general objectives for forest sector development: (1) to enhance Wood Production, (2) to strengthen Technological Innovation Systems, (3) to develop Competence Awareness, (4) to optimize Logistics, (5) to build up Information Systems. The Joint Action Plan, delivered at mid-term of the 3-year project, collects sets of regionally adopted, coordinated strategies for future collaborative RTD-activities in these 5 thematic fields. Measures towards the implementation of the JAP will be taken in phase II in the form of pilot concepts, which define specific partnerships, plans and funding schemes for innovative follow-up projects. IN2WOOD builds upon existing bilateral cooperation between regions, sharpens their complementarities and promotes further synergies. Fostering stronger networking, knowledge exchange and cluster formation among stakeholders within and between the partner regions, the projects mentoring also reaches out to important forest regions in South Eastern Europe, where the consortium will strengthen existing links and initiate new partnerships. The project thus supports the further development and internationalisation of regional research-driven clusters in the European forest sector.
Kovalcik M.,Slovakian Forest Research Institute |
Muhlberg C.,TIS Techno Innovation South Tyrol |
Oberwimmer R.,Holzcluster Steiermark GmbH |
Pretterhofer E.,Holzcluster Steiermark GmbH |
And 6 more authors.
Forestry Journal | Year: 2013
The paper presents findings from a comparative analysis of three major topical fields of interest notably supply chain management, technological progress and mass flux analysis in six European forest regions of the IN2WOOD project (FP7 RoK 2010-2012). The study identifies matching strengths and weaknesses and summarizes cross-regional priorities. Based on this information, a set of the region's strategies was compiled in view of the general objective to optimise logistics. Four different strategy types were proposed: SO-strategy (internal strengths were used to realise external opportunities, WO-strategy (reducing internal weakness to realise external opportunities), ST-strategy (internal strengths were used to minimise external threats) and WT-strategy (reducing the internal weaknesses to avoid external threats). Main common strategies for forestry logistics are: developing clear concepts for the implementation of ICT applications for difficult terrain like GPS-maps in mountainous regions, increasing the possibility of co-operations between the actors involved and developing a detailed mass flux analyses as a basis for SCM concepts. Source