planetary mill

Japanese: planetary mill(英語表記)planetarymill
planetary mill

...A rolling mill in which the rolls move around the material inside a revolving guide, instead of stopping the material's rotation, to process it into wire rod, is called a rotary planetary mill. The planetary mill developed by Sendzimir is a rolling mill for plates, and the roll axes are all parallel and perpendicular to the rolling direction, but the relative speed of the rolls to the material is the opposite to that of a normal rolling mill. In other words, in a normal rolling mill, the rolls rotate to bite into the material at the entrance and push it out the exit, so the direction of rotation is the same as the direction of the material's movement. ...

From [Crusher]

...In addition, they generally use finer grinding media (balls) than ball mills, and are often used for small-scale, extremely fine grinding. (5) Planetary mill As shown in Figure 6-b, this is a grinding machine with a structure in which the grinding container that rotates like a ball mill also revolves. Due to the centrifugal force generated by the revolution, it has the characteristic of being able to obtain a greater grinding force than a ball mill that uses gravity. ...

*Some of the terminology used to refer to "planetary mill" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…材料の回転を止める代りにロールが公転ガイドの中を運動しながら材料の周囲をまわりながら線材に加工する圧延機をロータリープラネタリーミルと呼ぶ。ゼンジミアの開発したプラネタリーミル(圧延機)planetary millは,板用の圧延機で,ロール軸はすべて平行で圧延方向に垂直であるが,材料に対するロールの相対速度は普通の圧延機と逆である。つまり,普通の圧延機は,ロールが材料を入口でかみ込んで出口に出すように回転するので,その回転方向は材料の運動方向と一致している。…

【粉砕機】より

…またボールミルよりも一般に細かな粉砕媒体(ボール)を用い,小規模・極微粉砕用に用いられる場合が多い。(5)遊星ミルplanetary mill 図6-bに示すように,ボールミルと同様に自転する粉砕容器をさらに公転させる構造の粉砕機である。公転によって生ずる遠心力のため,重力利用のボールミルに比べて大きな粉砕力が得られるのが特徴である。…

※「planetary mill」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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