reamer

Japanese: リーマー
reamer
A cutting tool for drilling holes. It is used to finish holes made with a drill or other tool to a clean, high-precision surface. There are tools with blades parallel to the cylindrical axis and tools with twisted blades. They are classified into solid, shell, and adjustable types based on their overall shape, and hand and machine reamers based on their usage.
→ Related items Cutting tools | Boring machine

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:
穴加工用の切削工具。ドリルなどであけた穴を高精度のきれいな面に仕上げるのに使用。円筒の軸に平行な刃をもつものと,ねじれ刃のものがある。全体の形からソリッド形,シェル形,アジャスタブル形,用法からハンドリーマー,マシンリーマーなどの区別がある。
→関連項目切削工具|中ぐり盤

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