Decision-support tools for rough mill dimension processing

How does allowing specific defects (character marks) affect my yield? What is the best lumber grade for this cutting bill? What happens if I cut more lengths at a time? Use a movable-blade gangripsaw? Process parts from two or more cutting bills together? Or process a different grade mix? Prompt answers to these and other “what if” questions that arise during the production of dimension parts can save processing time, save lumber and reduce expenses. Rough mill operators and managers can obtain answers to a host of questions related to raw material, product, and processing with decision-support software developed by researchers with the USDA Forest Service’s Northeastern Researcher Station at Princeton, West Virginia, and their cooperators. To date, four types of decision support software and data have been developed: lumber data banks, lumber grading and remanufacturing training programs, rough mill dimension cut-up simulators, and a least-cost grademix calculator.

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