Handbook for Small Sawmill Operators–How to Attain and Maintain Accuracy of Cutting–Part III. Mill Setup

This article discusses the factors to be considered in setting up a small sawmill to obtain accurate cutting. Foundations are of prime importance. For permanent mills, poured concrete foundations and wood pilings can be used. A plan for a typical poured concrete foundation is presented, both for small and medium-size circular sawmills. The importance of proper anchoring of the timber ways is stressed as well as the need for pressure treatment of the timbers. For wood piling foundations, the sizes and dimensions of piers, posts, cross-ties and planking are specified. Portable mills should be mounted on 10- by 10-inch sills bridged by 6- by 8-inch cross pieces and 4- by 6-inch ties. Detailed instructions are provided and a drawing is presented of a typical layout for a portable mill with edges, trim, and swing saws, all operated from a single power plant. Then the article gives instructions for hanging the saw on the mandrel, correcting any dish in the saw, and adjusting the mandrel bearings for lead. There is also mention of the installation of accessory devices, such as log turners, sawdust and slab conveyors, edgers, trim saws, and dipping vats. Reference is made to a table in the appendix that calls out power requirements of accessory devices and the power transmission ability of various types of flat and V-belt drives.

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