RQAを用いた加工における切断力コンポーネントの包括的な分析:エッジジオメトリとプロセスパラメータの影響

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RQAを用いた加工における切断力コンポーネントの包括的な分析:エッジジオメトリとプロセスパラメータの影響

Marcin Płodzień¹, Łukasz Żyłka¹, Michał Wydra²

¹Department of Manufacturing Techniques and Automation, The Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, W. Pola Str. 2, 35-959 Rzeszow, Poland.

Materials (Basel, Switzerland)

|August 28, 2025

まとめ

鋭角や波状の切削器は,連続したエッジと比較して,アルミ合金に対する磨き力を大幅に軽減します. ツールエッジの幾何学はプロセスダイナミクスと安定性に大きく影響し,最適化の機会を提供します.

科学分野:

材料科学と工学
製造プロセス
機械工学

背景:

アルミニウム合金のための磨きプロセスを最適化することは,効率的な製造に不可欠です.
切削ツールエッジの幾何学は,加工性能に影響を与える重要な要因です.
フライリングのダイナミックな振る舞いを理解することは,プロセスの安定性にとって不可欠です.

研究の目的:

連続した,状,波状の切断エッジの幾何学が磨き力とダイナミクスに与える影響を調査する.
加工パラメータ (切断速度,歯毎の給餌,放射線給餌) がプロセスの動作に及ぼす影響を分析する.
繰り返し量化分析 (RQA) が磨きダイナミクスを特徴づけるのに有効であることを評価する.

主な方法:

研磨実験はAlZn5.5MgCuのアルミニウム合金で実施された.
カットフォースの構成要素は,ボックスグラフを使用して測定および分析されました.
システムの動態を評価するために,再発量化分析 (RQA) を切断力信号に適用した.
線形差別分析 (LDA) がRQAの測定値の検証に使用された.

主要な成果:

形および波形エッジのツールは,連続エッジと比較して最大57%の正常力成分 (F_fN) を減少させ,特に切断速度 (v_c) と歯毎のフィード (f_z) を減少させました.
これらの幾何学は,潜在的共鳴を示すより高い放射性インフィード (a_e) 値で信号の変動率 (最大300%) を増加させた.
RQAの指標 (DET,Lmax,LAM) は,ツールエッジの幾何学とシステムのダイナミクスとの間の強い相関を示した.
LDAは,RQAが最先端のタイプを区別する能力を確認しました.

結論:

ツールエッジの幾何学は,研磨力の構成要素とダイナミックな動作に大きく影響します.
状と波状のエッジは,アルミニウム合金加工におけるプロセスダイナミクスの強化と力の減少の可能性を提供します.
機械加工条件に基づいてツールの幾何学を慎重に選択することは,研磨の安定性と性能を最適化するために不可欠です.

キーワード:

RQA 切断力研磨する再発分析歯ぎしげの縁

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