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 ?
where [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] is the performance indicator j of sawmill i in year t.
The company said Linghem Sawmill has a new saw line with capacity to produce 75 000 cubic metres per year.
We have also gained access to a wider range of log types, which will open up new markets to us "This is our third sawmill acquisition, following the purchase of the Border Forest group's sawmill division, now Premier Forest Sawmilling, in Crumlin in November 2014 and Duchy Timber in Lostwithiel in May last year.
A contemporary account of such a mill was written by an English bishop visiting Lyons, France: "The sawmill is driven with an upright wheel, and the water that maketh it go is turned into a narrow trough which delivereth the same to the wheels.
There are many officially registered and nonregistered sawmill industries in this district, which contain various departments with different job descriptions in sawmills.
The proposed would sawmill help Bacons team elevate its active forestry management practices, which reduces the threat of catastrophic wildfire by thinning canopies that have grown dense under years of fire-suppression efforts.
April--West Fraser announces it's buying Bibler Brothers Lumber, a Russellville sawmill and lumber manufacturer that produced about 136 million bf in 2013.
5 for a rededication ceremony at the completion of the work, and those who've donated $100 to the Save Our Sawmill fund will have a chance to meet the master carpenter and attend his discussion of the project.
The price might look steep but the sawmill has planning permission for a four-bedroom county property.
Price: From $99 for one profile in Sawmill Lite to $30,000 for one unlimited profiles in Sawmill Enterprise
The Township of Opasatika and Products Forestier Cyclofor are eyeballing the conversion of Tembec's former Excel softwood lumber sawmill into a biomass plant producing wood chips for the pulp and paper industry and hog fuel for co-generation plants.
Three small Southeast Alaska sawmills, financially struggling after a fight over logging on federal land, will get some relief this year as Gov.