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| Research on Characterization Method of Titanium Alloy Chip Shape in Low Frequency Vibration Assisted Hole Making |
| FU Yu1, 2, 3, DING Yue1, 2, 3, WANG Tengfei1, LI Hao1, GUO Feiyan1 |
1. AVIC Manufacturing Technology Institute, Beijing 100024, China;
2. Beijing Key Laboratory of NC Machining Technology and Equipment of Aero-Component, Beijing 100024, China;
3. Aeronautical Key Laboratory for Digital Manufacturing Technology, Beijing 100024, China |
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Abstract The cutting thickness model and the chip sector angle model for low frequency vibration assisted hole making with two cutting edges are established, the chip separation conditions are established, and the empirical formula between the chip sector angle and the cutting angle displacement is proposed. The chip shape analysis test was carried out, by which the corresponding relationship between the hole making parameters and the chip shape was obtained, and the A– f parameter combination range corresponding to the better chip shape was determined. The sector angle of the chip was measured, which was compared and analyzed with the theoretical calculation value, and the result shows that the established chip sector angle model has high accuracy for characterizing the actual chip shape.
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2023, 
