{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/50102"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/50102","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"The margin for yield improvement for no. 1 common 5/4 red oak in a conventional rough mill","abstract":"This study examined the potential for improvement within a conventional (crosscut-first) rough mill. Improvement was measured in terms of volume and also value of cuttings produced. Current levels of yield were obtained from an in-plant yield study of 138 boards. The same material was then processed with a computer optimization program designed to simulate a crosscut-first operation. Tests between the two methods, actual and optimized, showed that . current levels of cutting volume production were not able to be improved upon with optimization. Due to the varying costs of different length cuttings, however, a significant increase in the value of cuttings produced was possible. The distribution of cutting lengths produced was found to be a significant factor in these results.","abstract_html":"This study examined the potential for improvement within a conventional (crosscut-first) rough mill. Improvement was measured in terms of volume and also value of cuttings produced. Current levels of yield were obtained from an in-plant yield study of 138 boards. The same material was then processed with a computer optimization program designed to simulate a crosscut-first operation. Tests between the two methods, actual and optimized, showed that . current levels of cutting volume production were not able to be improved upon with optimization. Due to the varying costs of different length cuttings, however, a significant increase in the value of cuttings produced was possible. The distribution of cutting lengths produced was found to be a significant factor in these results.","abstract_has_math":false,"creators":["Yun, Linda Y."],"institution":"Virginia Polytechnic Institute and State University","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Wood Science and Forest Products","degree_department":"Wood Science and Forest Products","school":null,"contributors":[],"advisors":[],"committee_chairs":["Lamb, Fred M."],"committee_members":["Wengert, Eugene M.","Muench, John"],"year":1989,"date_issued":"1989","date_published":"1989","updated_at":"2026-07-22T22:18:46Z","subjects":[],"languages":[],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10919/50102","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Lamb, Fred M."]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Wengert, Eugene M.","Muench, John"]},{"key":"dc:contributor.department","label":"Department","values":["Wood Science and Forest Products"]},{"key":"dc:creator","label":"Author","values":["Yun, Linda Y."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-08-13T14:40:21Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-08-13T14:40:21Z"]},{"key":"dc:date.issued","label":"Date","values":["1989"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Polytechnic Institute and State University"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Wood Science and Forest Products"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/50102"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This study examined the potential for improvement within a conventional (crosscut-first) rough mill. 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