Surface folding

Japanese: surface folding(英語表記)surfacefolding
Surface folding

...Causes are inappropriate casting methods, casting sand, and pouring work. (4) Casting surface defects: rough surface folding, metal penetration between sand particles in the mold, etc. Improve casting sand and molding methods.

*Some explanations of terms that mention "surface folding" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…鋳造方案,鋳物砂,注湯作業の不適正が原因である。(4)鋳肌不良 鋳肌が荒い荒肌surface folding,鋳型の砂粒子の間に溶湯が入り込むさし込みmetal penetrationなどがある。鋳物砂,造型法を改善する。…

※「surface folding」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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