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Sawmill

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A sawmill is a special place where logs are cut into lumber. Lumber is the wood used for building things like houses.

Cutting wood with a portable sawmill
Cutting wood with a portable sawmill

Modern sawmills use motorized saws to cut logs into long pieces. They can also cut wood to specific sizes for custom jobs. This process turns huge trees into useful boards. Today, many sawmills are massive facilities that use computers to work.

American sawmill, circa 1920
American sawmill, circa 1920

The way a sawmill works follows many careful steps. First, workers fell trees and cut off the branches, which is called limbing.

Sawmill1
Sawmill1

Next, the logs are moved to the mill by truck or rail. At the mill, workers remove the bark and sort the logs by size or type. This sorting is called decking. A sawyer then uses a head saw to cut the logs into unfinished pieces called cants or flitches. Finally, the wood is trimmed, dried in a kiln, and smoothed by a planer.

Naistenlahden saha
Naistenlahden saha

People have been cutting wood for a very long time. Before machines, two men used a large whipsaw to cut boards by hand. One man stood above the log while the other worked in a pit below.

Fotothek df tg 0003845 Mechanik ^ Säge ^ Holz
Fotothek df tg 0003845 Mechanik ^ Säge ^ Holz

The earliest known mechanical mill was the Hierapolis sawmill. This was a Roman water-powered stone mill from the 3rd century AD.

Römische Sägemühle
Römische Sägemühle

Later, in 1594, Cornelis Corneliszoon van Uitgeest invented a wind-powered sawmill. This invention made cutting wood 30 times faster than before.

Cornelis van Uitgeest - Het Juffertje zaagmolen
Cornelis van Uitgeest - Het Juffertje zaagmolen

History shows how technology changed the way we use wood. In the 19th century, steam power allowed for much bigger machines.

Sutters mill
Sutters mill

Railroads also helped because they could carry logs to mills far from rivers. By 1900, the Atlantic Coast Lumber Company in South Carolina ran the largest sawmill in the world. They used logs floated down the Pee Dee River from the Appalachian Mountains. Modern sawmills are very expensive to build. Some new facilities can cost up to CAN$120,000,000.

Traditional sawmill - Jerome, Arizona
Traditional sawmill - Jerome, Arizona

Sawmills do more than just make boards for building. They also create many other forest products from the wood. These extra items are called by-products.

Sawmill 'Salamander' in Leidschendam, Netherlands
Sawmill 'Salamander' in Leidschendam, Netherlands

Sawmills produce sawdust, bark, woodchips, and wood pellets. Even the scrap lumber can be used as fuel for a boiler. This means almost every part of the tree can be used for something helpful. Whether it is a small portable sawmill or a huge factory, they are vital to our world.

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🖼️ Images & Media (12)
File:Cutting wood with a portable sawmill.jpg
Cutting wood with a portable sawmill.jpg
File:American sawmill, circa 1920.jpg
American sawmill, circa 1920.jpg
File:Traditional sawmill - Jerome, Arizona.jpg
Traditional sawmill - Jerome, Arizona.jpg
Combustion Engine Drives Sawmill (1988).mp3
File:Römische Sägemühle.svg
Römische Sägemühle.svg
File:Fotothek df tg 0003845 Mechanik ^ Säge ^ Holz.jpg
Fotothek df tg 0003845 Mechanik ^ Säge ^ Holz.jpg
File:Sawmill 'Salamander' in Leidschendam, Netherlands.jpg
Sawmill 'Salamander' in Leidschendam,...
File:A sawmill in the interior from The Powerhouse Museum Collection.jpg
A sawmill in the interior from The...
File:Sutters_mill.JPG
Sutters_mill.JPG
File:Cornelis van Uitgeest - Het Juffertje zaagmolen.jpg
Cornelis van Uitgeest - Het Juffertje...
File:Naistenlahden saha.jpg
Naistenlahden saha.jpg
File:Sawmill1.jpg
Sawmill1.jpg
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