…Sawing has two functions: cutting wood fibers and removing sawdust produced by the cutting from the sawpath. The former is mainly determined by the sharpness of the saw blade, while the latter depends on the tooth shape and number of teeth. The difficulty of sawing also depends on the amount of sawing that occurs on each tooth and the presence or absence of friction between the sawing surface and the saw body surface, which is related to the tooth spacing and the presence and size of a tooth flap to spread the blade tip and prevent friction. Wood can be cut vertically parallel to the grain, horizontally at right angles, or in any direction unrelated to the grain. … *Some of the terminology that mentions "asari" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…鋸びきは木材の繊維を切断する仕事と,切断によってできた〈おがくず(鋸屑)〉を挽道外に排出する仕事の二つからなりたっているが,前者は主として鋸刃先の鋭利さに,後者は歯形,歯数などに左右される。また,ひき作業の難易は一つの歯にかかる挽代(ひきしろ)の大小と,ひき面と鋸身面との摩擦の有無によるが,これには歯距の大小と,鋸刃先をひろげて摩擦を防ぐための〈あさり(歯振)〉の有無と大小が関係する。 木材の切断は繊維に平行な縦びきと,直角な横びきと,繊維方向に無関係にひく場合がある。… ※「あさり」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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