noun🔗Shareマンドレル, 心金A round object used as an aid for shaping a material, e.g. shaping or enlarging a ring, or bending or enlarging a pipe without creasing or kinking it."The jeweler used a mandrel to enlarge the silver ring. "宝石商は銀の指輪を大きくするためにマンドレルを使用しました。materialtechnicalindustrymachineChat with AIVocabulary GamePractice Reading
noun🔗ShareマンドレルA tool or component of a tool that guides, grips or clamps something, such as a workpiece to be machined, a machining tool or a part while it is moved."The machinist used a mandrel to hold the metal pipe securely while threading it on the lathe. "旋盤で金属パイプにネジを切る際、機械工はマンドレルを使ってパイプをしっかりと固定しました。technicalmachineindustrypartdeviceworkChat with AIVocabulary GamePractice Reading