roughing gear hobとは 意味・読み方・使い方

In a gear machining method in which a workpiece is sucessively subjected to roughing, hob shifting and finishing by a hobbing machine in which a roughing hob 3 and a fishing hob 5 are fitted on a hobbing shaft while the workpiece is fixed on a table, a superhard throw-away hob and a cermet hob are used as the roughing hob 3 and the finishing hob 5, respectively, for machining the gear.例文帳に追加

ホブ盤のホブ軸上に荒加工用ホブ３と仕上加工用ホブ５を装着して、被削ワークをテーブル上に固定したまま荒加工、ホブシフト、仕上加工を順次行う歯車加工方法において、前記荒加工用ホブ３には超硬スロアウエイホブを、前記仕上加工用ホブ５にはサーメットホブを使用し、歯車加工する。 - 特許庁