Cold rolling

Japanese: cold rolling(英語表記)coldrolling
Cold rolling

...the production of films for wraps and small condiment containers by passing plastic between two relatively thin rolls called calendar rolls is also a type of rolling (plastic molding).
[Rolling process]
Metal materials are processed into plates, bars, wires, shapes, tubes, etc. by rolling. There are two types of rolling: hot rolling, which is done while the material is heated, and cold rolling, which is done without heating. Hot rolling allows for large deformations and is suitable for blooming ingots and rolling plates and shapes, but it has the disadvantage of oxidizing the finished surface.

*Some of the terminology that refers to "cold rolling" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…プラスチックをカレンダーロールと呼ばれる比較的細い2本のロールの間を通して,ラップ類や小さな調味料容器用の膜を製造するのも圧延の一種である(プラスチック成形加工)。
[圧延工程]
 金属材料は圧延によって,板,棒,線,形材,管などに加工されるが,その際に材料を加熱した状態で行う熱間圧延hot rollingと,加熱しないで行う冷間圧延cold rollingとがある。熱間圧延は大きな変形が可能であり,インゴットを分塊圧延したり,板材,形材の圧延に適しているが,仕上げ面が酸化される欠点がある。…

※「cold rolling」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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