期刊
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
卷 113, 期 1-2, 页码 117-129出版社
SPRINGER LONDON LTD
DOI: 10.1007/s00170-020-06428-x
关键词
Tool wear mechanism; Single-crystal nickel-based superalloys; Micro-milling; Cutting parameters
资金
- National Natural Science Foundation of China [51775100]
- Doctoral Start-up Fund of Liaoning Province [2019-BS-123]
In studying the wear mechanism of micro-tools cutting superalloy materials, a single-crystal nickel-based superalloy DD98 was micro-milled using a cemented carbide milling tool with a 0.6-mm diameter. The wear standard and mathematical model for the micro-milling tool were established based on changes in tool diameter and groove bottom width after wear. Observations of the wear mechanism and wear form were made using scanning electron microscopy, and the influence of element changes on cutting processes and workpiece performance were analyzed through energy spectroscopy. The research provides theoretical significance for understanding the cutting mechanism of difficult-to-machine materials.
To study the wear mechanism of micro-tools that cut superalloy materials, a single-crystal nickel-based superalloy DD98 was micro-milled by a cemented carbide milling tool with a 0.6-mm diameter, and the wear standard for the micro-milling tool was established based on the change in the tool diameter and groove bottom width after wear. Then, the wear mathematical model for the micro-milling tool was established. The wear mechanism and wear form of the micro-milling tool that cut the single-crystal nickel-based superalloy were observed with scanning electron microscopy (SEM). The influence of the element change of the tool and workpiece material during the cutting process and workpiece performance were proposed based on the energy spectroscopy analysis. The relevant mechanism and experimental data have theoretical significance for exploring the cutting mechanism of difficult-to-machine materials.
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