Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 36 for “"Sawmill"”.
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Improving sawmill residue chip quality
… chip quality at high production southern pine Sawmills. A general economic analysis suggested that improving sawmill residue chip quality could be beneficial to both pulp and sawmills. Studies were conducted at several sawmills to determine methods of improving residue chip quality. The first …
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Factors affecting sawmill residue chip quality
… condition, and residue type, on loblolly pine sawmill residue chip quality. A 152-cm, six-knife, horizontal infeed, top-discharge chipper restored to factory specifications was used as the test machine. Chips were recovered after being blown 4m vertically through a cyclone settler onto a screen …
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Effects of selected factors on sawmill residue wood chip quality
… and anvil condition on chip size from sawmill residues of Loblolly pine (<i>Pinus taeda</i> L.). Objectives were: 1) to document the effects of disk speed, temperature and anvil condition on the amount of over thick, oversize, accept, pin and fine chips produced from edgings, 6"x6" …
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Sustainability of New Hampshire's sawmill industry and its forest resource base
… of forest industry. To sustain the regional sawmill industry as well as the associated forest resource base, the key is to track the consumption and inventory of eastern white pine (Pinus strobus L.), the most dominant commercial species in New Hampshire. This research profiled the sawmill …
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A multiple period combined optimization approach to sawmill production planning systems
… development of production planning systems for sawmills have focused on combined optimization type solutions in a steady state market environment. This thesis focuses on developing a multiple period production planning system which responds to expected changes in product value or market demand …
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The use of simulation as a decision tool for improvements in sawmill manufacturing
… used to analyze the flow of products though a sawmill in order to determine where productivity improvements could be made. The sawmill analyzed is located in the interior of British Columbia, and processes a variety of species and products. The mill was selected for this reason, as it was …
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Design Plan for the Sawmill Town History Wing at the Texas Forestry Museum
… Texas’ forest industry history. The museum has a Sawmill Town History Wing that is outdated and in need of a refreshing exhibit design based on current best practices. Using a previous museum audit as a guide, the new exhibit will have better flow, panel aesthetics, content, and interactive …
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The effect of hydraulic linear positioners on the production efficiency of a hardwood sawmill
The hardwood sawmill industry is faced with a decreasing availability of high quality timber, and declining log quality. Ways to improve the technology are needed so that this lower quality resource can be better utilized. The hydraulic linear positioner is one such new technology. The objective of …
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Activity-based product costing in a hardwood sawmill through the use of discrete-event simulation
… Using discrete-event simulation, two hardwood sawmills were modeled and a series of experiments were conducted which would not have been feasible to conduct on the mill floors. Results from the simulation experiments illustrated that the activity-based and traditional cost accounting techniques …
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Modeling the Adoption Decision Process of Future Scanning and Optimizing Technology in Hardwood Sawmills
A nation-wide survey of hardwood sawmills was conducted in the fall of 1999. The objectives of the survey were to determine the differences between adopters and non-adopters of scanning and optimizing technology, identify the company expectations of scanning and optimizing technology, and model the …
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The clean development mechanism potential of a combined heat and power plant in Stellenbosch, South Africa
… of the roundwood volume harvested by commercial sawmills in South Africa is sold as timber. The rest is sold as timber by-products, utilised as fuel in sawmill boilers, or disposed of as waste res idues. This dissertation assesses the Clean Development Mechanism (CDM) potential of a proposed …
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Energy Intensity Determination in Wood Processing Sawmills
… an important aspect to wood products producing sawmills in the State of West Virginia. This research aims to facilitate the accurate measurement of electrical energy intensity in sawmills by means of energy analysis and diagnostics using various data acquisition devices on electrical motors used …
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A Business Model for a Red Oak Small Diameter Timber Processing Facility in Southwest Virginia
… 2) determine the economic feasibility of a SDT sawmill and pallet part mill located in Southwest Virginia; 3) develop a business plan for a SDT sawmill and pallet part mill located in Southwest Virginia. The methods for this research consisted of resource, yield and economic analyses, and the …
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The forestry potential of Penn Virginia Corporation lands
… dimension mill, SHOLO mill, System 6 mill, and sawmill. Five sawmill configurations were examined. Results of this study phase indicated that the mill types showing the greatest potential for establishment using Fenn Virginia timber were the dimension mill, SHOLO mill, and scragg sawmill. All …
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Improving efficiency in logistics operations of the wood fiber supply chain
… to three case study firms: a paper mill, a sawmill, and a logger. Using the VSM tool an absence of structured methods to select and assess suppliers was found, which promotes a fluctuating environment for suppliers. Therefore, a tool that implements a hierarchy system to categorize suppliers …
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Two-dimensional separate-sided surface height profiling of lumber
… large proportion (approximately 75 percent) of a sawmill’s operating costs. However, about 15 percent of raw material ends up as low valued sawdust and planer shavings due to inaccurate cutting. Sizable financial benefits can be realized through maximizing conversion of raw material into valuable …
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Time-Based Manufacturing System Design for Softwood Lumber Production
… synchronizing and planing operations with sawmill output. To illustrate the impact of lead time on financial performance, the amount of capital invested in inventory was evaluated for the current state value stream as well as the future state value streams. All of the future state capital …
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Wood-based material use in the United States pallet and container industry
… purchases (by volume) were made direct from the sawmill in 1991. Softwood lumber purchases were made either from a lumber broker (38%) or direct from the sawmill (37%).
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Development of dimension lumber grade and yield estimates for yellow-poplar sawlogs and trees
… yellow-poplar sawlogs is also needed to allow sawmill operators to evaluate the economic feasibility of producing dimension lumber from yellow-poplar logs. Yellow-poplar log grades were established to stratify yellow-poplar logs into salable dimension lumber classes when the lumber was …
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A Comparison of Artificial Neural Network Classifiers for Analysis of CT Images for the Inspection of Hardwood Logs
… different types of hardwood logs. This will help sawmill and veneer mill operators to improve the quality of products and preserve natural resources.
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