… The objects to be crushed, i.e., raw materials, vary widely in particle size, from large lumps with particle diameters of 1m or more to tens of μm, and the crushed particles (crushed products) also vary in particle diameters from 10cm or more to 1μm or less. Therefore, it is customary to distinguish between crushing in the relatively coarse particle size range and grinding in the relatively fine particle size range, which is called crushing in the narrow sense. However, there is no clear boundary between crushing and grinding in the narrow sense. … *Some terminology explanations that mention "crushing" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 粉砕の対象物すなわち原料は,粒子径1m以上もある大塊から数十μmのものまで幅広く,また粉砕された粒子(粉砕産物)も粒子径10cm以上のものから1μm以下のものまでさまざまである。そこで慣習的に,比較的粗い粒子径の領域での粉砕を破砕crushing,比較的細かい粒子径の領域での粉砕を狭い意味で粉砕grindingと呼んで区別することがある。しかし破砕と狭義の粉砕との間に明確な境はない。… ※「crushing」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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