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 ?
Colleagues: Works alone in the wood mill but sees fellow workers during the day.
A solid cast iron and wood mill with unusual cork stopper.
The scientists interviewed 1,393 wood mill operators, representing more than half the mills located in 75 Amazonian logging centres.
At Linthwaite, Low West Wood Mill, despite being a listed building, has been allowed to fall into ruin without any enforcement action being taken against the owners.
Around 180 of the 1,212 inmates now work full-time with posts ranging from work at the wood mill which sources the Ministry of Defence to laundry and kitchen roles.
He said he has the same vision on a larger scale for the former Wood Mill on Merrimack Street in Lawrence that will be New England's largest green residential development.
During the trial 4,500 tonnes of timber were taken from Aberystwyth to the Kronospan wood mill 75 miles away, equivalent to 180 lorry-loads.
They have refurbished an old wood mill and schoolhouse into the pub, which attracts a wide ranging clientele with its nightly live music sessions, and restored the adjacent, 19th century Roundhouse as craft shops, gallery and shop.
After leaving school he joined Hollingworth Wood Mill in Lockwood, rising to become company secretary.
Over the next five weeks 4,500 tonnes of timber will be taken from Aberystwyth to the Kronospan wood mill 75 miles away at Chirk.
It would also bring environmental benefits by reducing pollution from diesel fumes, as well as cutting damage to public roadsDuring the five-week experiment, around 4,500 tonnes of timber will be transported from Aberystwyth to the Kronospan wood mill 75 miles away in Chirk - equivalent to 180 lorry-loads of timber.
Charles Gagnon, vice-president of corporate relations for Tembec, says that a community committee struck to determine the mill's viability as a value-added wood mill took a break during the Christmas holidays, but is getting back to discussing options for the mill.