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The saw chain, or cutting chain, is a key component of a chainsaw. It consists of steel links held together by rivets, and superficially resembles the bicycle-style roller chain, although it is closer in design to a leaf chain. Its key differences are sharp cutting teeth on the outside of the chain loop, and flat drive links on the inside, to ...
Oregon Tool is the largest manufacturer of saw chain in the world, with the Oregon brand holding the title of #1 saw chain in the world. Saw chain sold under the Oregon brand is sold to OEMs, dealers, and direct-to-consumer. Other products sold under the Oregon brand include: chain saw bar, sprocket, lawn mower blades, and string trimmer string.
The chain has to be properly matched to the guide bar and the saw. Chainsaw manufacturers specify a selection of suitable chains for each model of saw. Best safety requires that the chain is properly sharpened. One key sharpening parameter is the depth gauge setting. The depth gauge is the small steel protubera
Historical osteotome, a medical bone chainsaw. A "flexible saw", consisting of a fine serrated link chain held between two wooden handles, was pioneered in the late 18th century (c. 1783 –1785) by two Scottish doctors, John Aitken and James Jeffray, for symphysiotomy and excision of diseased bone, respectively. [2]
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 ...
Such a saw would typically be 1 to 4 m (4 to 12 feet) long, and sometimes up to 5 m (16 feet), with a handle at each end. In some cases, such as when felling Giant Sequoias, sawblades could be brazed together end-to-end in order to create longer saws. The technique in using a two-man saw involved a sawyer standing at each end.