Position-Dependent Stability Prediction for Multi-Axis Milling of the Thin-Walled Component with a Curved Surface
Time-varying dynamic behaviors are essential to investigate the stability in the thin-walled workpiece milling process, which is usually affected by material removal and position-dependent characteristics of the workpiece along with the tool feed direction. To predict the milling stability with posi...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-12-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/10/24/8779 |
| _version_ | 1797545395858964480 |
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| author | Xiaojuan Wang Qinghua Song Zhanqiang Liu |
| author_facet | Xiaojuan Wang Qinghua Song Zhanqiang Liu |
| author_sort | Xiaojuan Wang |
| collection | DOAJ |
| description | Time-varying dynamic behaviors are essential to investigate the stability in the thin-walled workpiece milling process, which is usually affected by material removal and position-dependent characteristics of the workpiece along with the tool feed direction. To predict the milling stability with position-dependent, thin-walled component multi-axis milling, an improved structural dynamic modification method with variable mass is proposed in the paper. Firstly, the extraction of multi-axis milling material and the removal process of thin-walled parts with a complex curved surface and variable thickness is completed with CAM software. Then, the material removal of one cutting path as a modification of the structure is divided into multi-cutting steps with equal length to obtain the corrected FRFs in the machining process on the basis of the extended Sherman-Morrison-Woodbury formula. Furthermore, the dynamic characteristics of the initial un-machined workpiece and final machined workpiece are calculated by both experimental modal analysis and FEM. Finally, the multi-axis milling stability is predicted using the extended numerical integrated method, and an aero-engine blade is used to validate the accuracy and effectiveness of the proposed method for multi-axis milling molding parts. |
| first_indexed | 2024-03-10T14:14:58Z |
| format | Article |
| id | doaj.art-c7a8ca5cb0204fe299ed6dc5a2fb0bc8 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T14:14:58Z |
| publishDate | 2020-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-c7a8ca5cb0204fe299ed6dc5a2fb0bc82023-11-20T23:53:06ZengMDPI AGApplied Sciences2076-34172020-12-011024877910.3390/app10248779Position-Dependent Stability Prediction for Multi-Axis Milling of the Thin-Walled Component with a Curved SurfaceXiaojuan Wang0Qinghua Song1Zhanqiang Liu2Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan 250061, ChinaKey Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan 250061, ChinaKey Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan 250061, ChinaTime-varying dynamic behaviors are essential to investigate the stability in the thin-walled workpiece milling process, which is usually affected by material removal and position-dependent characteristics of the workpiece along with the tool feed direction. To predict the milling stability with position-dependent, thin-walled component multi-axis milling, an improved structural dynamic modification method with variable mass is proposed in the paper. Firstly, the extraction of multi-axis milling material and the removal process of thin-walled parts with a complex curved surface and variable thickness is completed with CAM software. Then, the material removal of one cutting path as a modification of the structure is divided into multi-cutting steps with equal length to obtain the corrected FRFs in the machining process on the basis of the extended Sherman-Morrison-Woodbury formula. Furthermore, the dynamic characteristics of the initial un-machined workpiece and final machined workpiece are calculated by both experimental modal analysis and FEM. Finally, the multi-axis milling stability is predicted using the extended numerical integrated method, and an aero-engine blade is used to validate the accuracy and effectiveness of the proposed method for multi-axis milling molding parts.https://www.mdpi.com/2076-3417/10/24/8779thin-walled workpiecevariable thicknessposition-dependent dynamic characteristicsstructural dynamic modificationmulti-axis milling |
| spellingShingle | Xiaojuan Wang Qinghua Song Zhanqiang Liu Position-Dependent Stability Prediction for Multi-Axis Milling of the Thin-Walled Component with a Curved Surface Applied Sciences thin-walled workpiece variable thickness position-dependent dynamic characteristics structural dynamic modification multi-axis milling |
| title | Position-Dependent Stability Prediction for Multi-Axis Milling of the Thin-Walled Component with a Curved Surface |
| title_full | Position-Dependent Stability Prediction for Multi-Axis Milling of the Thin-Walled Component with a Curved Surface |
| title_fullStr | Position-Dependent Stability Prediction for Multi-Axis Milling of the Thin-Walled Component with a Curved Surface |
| title_full_unstemmed | Position-Dependent Stability Prediction for Multi-Axis Milling of the Thin-Walled Component with a Curved Surface |
| title_short | Position-Dependent Stability Prediction for Multi-Axis Milling of the Thin-Walled Component with a Curved Surface |
| title_sort | position dependent stability prediction for multi axis milling of the thin walled component with a curved surface |
| topic | thin-walled workpiece variable thickness position-dependent dynamic characteristics structural dynamic modification multi-axis milling |
| url | https://www.mdpi.com/2076-3417/10/24/8779 |
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