歯車について勉強する2 の履歴(No.1)

歯車について勉強するシリーズ†

• 歯車について勉強する 歯車の形状についての基礎
• 歯車について勉強する2 仮想的なラックを使って歯車形状を切り出す

ラックを使って歯車を切り出す†

歯車について勉強する でやったようにインボリュート曲線やトロコイド曲線、歯先や歯底やフィレット用の円弧を繋げて歯車形状を作ろうとすると、特に歯元の形状をきれいに作るのがとても難しい。

実際の歯車が製作される際と同様に、仮想的な切削用のラックを想定して、ラックの歯形により切り出される歯車形状を計算すると実際の歯車と同様の自然な歯形を生成できるようだ。

参考： https://involutegearsoft.hatenablog.com/entry/involute-trochoid-draw-tool2

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