Predicted Cubic-Foot Yields for Green Veneer and Byproducts for Northern Red Oak Logs Processed At a Half-Round Slicing Operation

Mill managers or owners must have some benchmark with which to compare the efficiency of their operations. In this study, 169 northern red oak butt and upper logs, ranging from 13 to 26 inches, were processed through a half-round slicing operation. Accurate measurements were made of the volumes of all byproducts and veneer. From this data, prediction equations were developed using diameter and log length as the independent variables. The accompanying tables show how the yields of both the veneer and byproducts vary with the major variable, diameter. The equations are ideally suited for use with a computer. One of the major findings is that as the diameter of the log increases, the volume of veneer increases dramatically, faster than does the volume of the byproducts.

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