twisted noseとは 意味・読み方・使い方

In a ball end mill having cutting edges 2 with two right cutting edges and left twisted blades approximately symmetrical with respect to an axis center, two ball part cutting edges 2 are brought into contact with each other at a nose O, and approximately recessed surfaces 4 extending over the two ball part cutting edges 2 are extended toward a shank.例文帳に追加

軸芯に対し略対称に２枚の右刃左捩れの切れ刃２を有するボールエンドミルにおいて、２枚のボール部切れ刃２をノーズＯにて衝接するとともに、２枚のボール部切れ刃２に跨る略凹面４をシャンク方向へ延在させる。 - 特許庁