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A sawmill (saw mill, saw-mill) or lumber mill is a facility where logs are cut into lumber. Modern sawmills use a motorized saw to cut logs lengthwise to make long pieces, and crosswise to length depending on standard or custom sizes (dimensional lumber). The "portable" sawmill is simple to operate. The log lies flat on a steel bed, and the ...
When used for different purposes, a frame saw may have other names. For converting logs into lumber, they are also called a pit-saw or whipsaw. For sawing veneer, they may simply be called a veneer saw. It is unknown how early framed pit-saws came into use however there is an Italian fresco from c. 1300 depicting their use.
The Great Southern Lumber Company sawmill was designed to process 1,000,000 board feet (2,400 m 3) of lumber per day and was the largest sawmill in the world, [4] spread over 160 acres (65 ha). [7] Once pines were felled, logs were dragged to railroad spurs by rail-mounted steam skidders with 1000-ft (300-m) draglines, loaded onto flatcars ...
Today, head saws are mostly used for cutting logs 16 to 72 inches (0.41 to 1.83 m) in diameter depending upon the type of band mill the saws are mounted on. More optimized machines now cut the smaller diameters since they are far more efficient and can provide greater production.
A crew of log buckers with crosscut saws in 1914. [1] Bucker limbing dead branch stubs with a chainsaw, also known as knot bumping Bucker making a bucking cut with a chainsaw Bucking, splitting and stacking logs for firewood in Kõrvemaa, Estonia (October 2022) Bucking is the process of cutting a felled and delimbed tree into logs. [2]
The log scaler is an occupation in the timber industry. The Log Scaler measures the cut trees to determine the scale (volume) and quality (grade) of the wood to be used for manufacturing. When logs are sold, in order to determine the basis for a sale price in a standard way, the logs are "scaled" which means they are measured, identified as to ...
A method for logs 16–19 in (41–48 cm) A method for logs over 19 in (48 cm) Quarter sawing or quartersawing is a woodworking process that produces quarter-sawn or quarter-cut boards in the rip cutting of logs into lumber. The resulting lumber can also be called radially-sawn or simply quartered.
Diagonal- and stepped-cut rift-sawing is intermediate to flat-sawn and radial cut lumber. The angle of the bastard grain may differ along the width of the board or between opposing sides, and enhances the appearance of ray fleck. Flat-sawing is the quickest method, producing the least wood waste and largest possible boards from a log.