Published November 1994
by Forest Products Society .
Written in English
|The Physical Object|
|Number of Pages||150|
profitable solutions for quality drying of softwoods and hardwoods Autore: Titolo (tr): soluzioni vantaggiose per la qualità dell'essiccazione di conifere e latifoglie PDF | A mail survey on kiln drying problems faced by Canadian companies processing softwood and/or hardwood timbers revealed important differences in | Find, read and cite all the research you Forest Products Society, Profitable Solutions for Quality Drying of Softwoods and Hardwoods, (ROM through ROM ). Forest Service, USDA, “Lumber Seasoning Prepared by the Forest Products Laboratory”, Reissued (ROM through ROM ). drying; high temperature does not have any practicality for hardwoods today. In addition to these five methods, vacuum drying also has some industrial practicality, especially for drying squares and for smaller production requirements. It is important to appreciate the characteristics of a drying system, as many times drying
DRYING LUMBER FOR QUALITY AND PROFIT - PROFITABLE SOLUTION FOR QUALITY DRYING OPF HARDWOODS AND SOFTWOODS - DRY KILN SCHEDULES FOR COMMERCIAL WOODS - APPLIED DRYING TECHNOLOGY, by Quarles and Wengert, and APPLIED DRYING TECHNOLOGY, by Milota and Wengert. Forest Products Society, Marshall Ct., In: Profitable solutions for quality drying of softwood and hardwoods. Proceedings of the conference sponsored by the Forest Products Society, Madison, 25–27 March Rypstra T, Wessels CB, Steinmann D, Vermaas HF () Durability improvement of wooden utility poles: determination of moisture content gradients in air-dried and kiln-dried drying is less for softwoods, it is still significant. On the other hand, the extra handling cost for air drying This means that drying quality is improved in the air yard and not the kiln; the kiln only controls the amount of cupping, the final MC, and drying stresses (case-hardening). Air drying—by the book In , the U.S. Forest ?id=&issue= Kiln drying represents a vital step in wood products processing. When properly employed, it ensures that subsequent problems with wood applications are minimized and high quality material is produced. Despite the importance of the wood products industry for Canada, scarce information currently exists regarding the general kiln drying situation across the country. A survey was conducted to
Some softwoods can be kiln dried from green, while most hardwoods and some softwoods should be air dried to fibre saturation point before kiln drying to equilibrium moisture content Equilibrium moisture content (EMC): The moisture content at which wood neither gains nor loses moisture when surrounded by air at a given relative humidity and Veja grátis o arquivo Apostila Secagem de Madeiras. enviado para a disciplina de Serraria e Secagem de Madeira Categoria: Trabalho - 8 - Primary Wood Processing. Following is a list of recommended reading for sawmillers, compiled by Professor Gene Wengert, Technical Advisor for the Sawing and Drying Forum, and Steve Bratkovich, Technical Advisor for the Value Added Wood Processing Forum.. General This Fascinating Lumber Business S. Horn. Sawmilling of Softwoods. Softwoods are considered easier to saw than hardwoods because they are generally faster cutting and require fewer saw sharpenings. Also the sawing techniques generally do not need to consider board movement off the log (i.e. resulting crook and bow) and thus are faster and easier.. Shrinkage and drying /information-resources/sawmilling/softwoods.