粘土板の磨き過程でU-FAST法で得られたWC-Co切削工具の磨き特性
Joanna Wachowicz1, Zbigniew Bałaga2, Piotr Podziewski1
1Institute of Wood Sciences and Furniture, Department of Mechanical Processing of Wood, Warsaw University of Life Sciences, Nowoursynowska Street, 166, 02-787 Warsaw, Poland.
Materials (Basel, Switzerland)
|August 28, 2025
まとめ
U-FAST技術で製造されたタングステン・カーバイド・コバルト・ツールは,サブミクロンの粒度で改善されたツールの寿命を示しています. 耐久性はコバルト結合の除去と粒子の破裂によって発生し,ナノメートルの粒子の大きさは,破片化によって耐久性に影響する.
科学分野:
- 材料科学
- 製造エンジニアリング
- トリボロジー
背景:
- トングステン・カーバイド・コバルト (WC-Co) は機械工具の重要な材料である.
- WC-Coのツール性能を最適化することは,効率的な薄板加工に不可欠です.
- U-FAST (アップグレードされたフィールドアシストドシンタリング技術) のような革新的なシンタリング方法は,材料の性能を向上させる可能性を秘めています.
研究 の 目的:
- U-FASTが製造するPCBの耐久性を調査する.
- 工具の耐久性や耐久性に WC の粒子が与える影響を評価する.
- カットエッジに影響を与える主要な磨きメカニズムを特定する.
主な方法:
- U-FASTを使用して,異なるサブミクロンのWC粒径 (0.4μmおよび0.8μm) のWC-Coツールが製造されました.
- 研磨試験はコンピュータ数値制御 (CNC) マシンツールで実施された.
- 切断パラメータには,1万5000回転のスパイドル回転,0.25mm/歯のフィードレート,3.75のフィードレートが含まれています.
主要な成果:
- 0.4μmと0.8μmのサブミクロン WC粒子のツールは,最も長いツールの寿命を示しました.
- カットエッジの磨きは主にコバルト結合剤の除去に起因し,穀物の骨折と機械的損失をもたらしました.
- サブミクロンツールにおける同様の磨きパターンは,マイクロ磨きと粘着剤の挤出が支配的な磨きメカニズムであることを示唆しています.
結論:
- U-FASTが製造した微小粒子のWC-Co工具は,小粒子の板の加工において優れた性能を示しています.
- ナノメートルの WC 粒子は,工具の耐久性に大きく影響し,破裂や破裂の感受性を高めます.
- 耐久性の高いWC-Co切削道具を設計するには,磨きメカニズムを理解することが不可欠です.
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