...A machine that uses impact is called an impact jackhammer, and in the narrow sense, this type of machine is the one we are referring to. A machine that uses cutting is called a rotary jackhammer, since it rotates a rod with a bit attached to the end. In addition, rotary impact jackhammers, which combine the two, have become popular in recent years. *Some of the terminology that refers to "rotary rock drills" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…打撃によるものを打撃式削岩機といい,狭義に削岩機というときは,この形式のものを指す。切削によるものは,ビットを先端にとりつけたロッドを回転させるので,回転式削岩機という。そのほか,両者を組み合わせた回転打撃式削岩機が近年普及しつつある。… ※「回転式削岩機」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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