…There are hand hacksaws as hand tools and hacksaws as powered machine tools. The latter are often simply called saws or sawing machines, and are broadly divided into hacksaws, which cut by the linear reciprocating motion of the hacksaw blade, bandsaws, which cut by the rotating and linear motion of a circular bandsaw blade, and circular saws, which cut by the rotating motion of a circular saw blade, based on the cutting motion of the saw blade. In principle, all of them are the same as woodworking saws for wood, but the difference between hacksaws and woodworking saws is that cutting is done by the pushing stroke. … From [Lumber]…Generally used for small-scale lumbering and for sawing small diameter trees, but also with a pair or set of saws spaced apart. The main machine in a sawmill is the band saw. For larger diameter trees, logs are fed on a lumber cart or cut using a special feeder. … *Some of the terminology that refers to "band saws" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…手動工具としてのハンド弓のこと動力を用いる工作機械としての金切りのこ盤がある。後者は単にのこ盤あるいはのこぎり盤と称されることも多く,のこ刃の切削運動から,弓のこ刃の直線往復運動によって切断を行う弓のこ盤,環状の帯のこ刃の回転・直線運動によって切断を行う帯のこ盤および丸のこ刃の回転運動によって切断を行う丸のこ盤に大別される。いずれも原理的には木材用の木工のこ盤と同じであるが,弓のこ盤の場合,押し行程で切削を行う点が木工のものと異なる。… 【製材】より…一般に小規模の製材,小径木の製材に使用されるが,一定間隔に1対または多数の丸のこをセットしたものもある。製材工場の主要機械は帯のこ盤(バンドソー)である。大径木の場合は,原木を送材車にのせて送ったり,特別な送り装置を用いて切断する。… ※「帯のこ盤」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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