Handbook for Small Sawmill Operators; How to Attain and Maintain Accuracy of Cutting

Small sawmills can produce accurately-sized lumber if they are well constructed, properly maintained, and correctly operated. The Handbook summarizes the causes of miscut lumber in small mills and indicates the action that the sawmill operator can take to eliminate these causes. The average diameter of logs delivered to sawmills throughout the country is smaller than it was in former years. Many small sawmills put from 10 to 20 percent more volume into their product than is needed. The average small circular mill properly maintained and operated can be expected to produce at least 90 percent of its boards within, plus or minus 1/8 inch from the average, or within a total thickness range of l/4 inch. Recommendations are given on how to stay within this control limit.

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