Veneer Yield Management – a Challenge of the 1970S

A management program is presented which describes a systematic method for achieving veneer yield improvement. Program elements include a measurement and reporting system, attainable yield standards at each process center, a method of, assessing the developing information, and a procedure for timely management action. The objectives of the first element, a system of measurement and reporting, is to present accurate data within the time spans desired. These time spans include the period before the process (standard waste accounting), during the process (waste accounting), and after the process (waste finding). The author cites a shortened time span as the key to effective yield improvement. Electronic controls are being used in increasing instances to provide this shortened time span. Attainable yield standards provide a yardstick for comparing results. The yield standards development include defining usable veneer, specific operating practices, and the veneer yield for a specific log type. This and the previously mentioned element provide the basis for information assessment and management action. Identifying, evaluating, and correcting yield reducing trends is the result of this systematic program. After a yield improvement program is described the author reviews key leverage points where an improvement program can be effective. A leverage point is described as a part of the green end where a small effort will pay off in significant improvement. These leverage points include veneer block sawing and barking, block selection, block conditioning, lathe and charger, tipple and tray system, veneer clipping, and green veneer sorting.

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