sawmill

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sawmill,

installation or facility in which cut logs are sawed into standard-sized boards and timbers. The saws used in such an installation are generally of three types: the circular saw, which consists of a disk with teeth around its edge; the band saw, which consists of a hoop of flexible metal that runs over pulleys and has teeth along one edge; and the log gang saw, which consists of saw blades separated by desired distances in a frame that oscillates as a log is fed into it. Logs are fed to gang saws through pressure rollers that ensure straight cutting. With other saws the log rides on a conveyor or carriage. Provision is made for placement of the log in a new position for each cut, by the worker who rides the carriage or by the one who operates the saw. Recently it has been discovered that a jet of water at a pressure of several thousand pounds per square inch is capable of cutting a log at a rate comparable to that of sawing. Despite the fairly exotic hardware necessary for this method, it reduces the kerfs, or widths of cuts, thus wasting less material, and it does not produce the flammable dust created by sawing. In sawmills that use their waste as raw material for wood pulp, logs are passed through machines that remove their bark prior to sawing. A large sawmill may have a capacity of several hundred thousand board feet per day.

sawmill

[′sȯ‚mil]
(industrial engineering)
A plant that houses sawing machines.
(mechanical engineering)
A machine for cutting logs with a saw or a series of saws.

sawmill

A facility where timber is sawn by mechanical equipment into boards and planks. Many early sawmills were operated by power generated by rivers, streams, or tidal changes. The development of the gang saw, which contained several parallel saw blades in a single frame greatly enhanced their efficiency; this innovation was followed by the invention of the circular saw. Virtually all saws are now operated by electric power.

sawmill

1. an industrial establishment where timber is sawn into planks, etc.
2. a large sawing machine
References in periodicals archive ?
In the first days of November the city began receiving rumors of pogroms at regional trading posts and railroad junctions.(113) Robbery of Jewish shops became more frequent, and on 15 November peasants murdered Jewish lumbermill owner Kh.
Queen of lumbermill days was McCloud,a company town founded in 1827; the millworkers were paid in scrip, spent it at the company store, lived in houses made of the pine they had milled.
At least 16,000 tons of radiation-contaminated tree bark and woodchips are piled up at lumbermills in Fukushima Prefecture, left unattended in storage in the aftermath of the nuclear crisis at a Tokyo Electric Power Co.