Continuous miner

Japanese: continuous miner(英語表記)continuousminer
Continuous miner

...In the latest hovels, the hovel body, which is about 1.6 m high and 3 m long, is moved back and forth along the coal wall at a cutting speed of more than 30 m per minute, cutting the coal wall to a depth of several centimeters each way.
[Continuous miner]
A typical coal mining machine used in the pillar coal mining method, it is equipped with a cutting section consisting of several stacked endless chains that circulate in a vertical plane, a loading and transporting device, and travels on crawlers. It is the most commonly used coal mining machine in coal mines in the United States and Australia, but in Japan it is only used in the Kushiro coal mine in Hokkaido.

*Some of the terminology explanations that mention "continuous miner" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…最新式のホーベルでは,高さ1.6m,長さ3m程度のホーベル本体を,切削速度毎分30m以上で炭壁に沿って往復させ,片道数cmの深さで炭壁を切削する。
[コンティニュアスマイナーcontinuous miner]
 残柱式採炭法で用いられる採炭機の代表的なもので,垂直面内を循環するエンドレスチェーン数本を重ねた切削部と,積込運搬装置とを備え,クローラーで走行する形式の採炭機をいう。アメリカやオーストラリアの炭鉱では最も普通に用いられている採炭機であるが,日本では北海道の釧路炭鉱で用いられているだけである。…

※「continuous miner」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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