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Cutting Forces during Inconel 718 Orthogonal Turn-Milling
Agata Felusiak-Czyryca1, Marek Madajewski1, Paweł Twardowski1
1Faculty of Mechanical Engineering, Poznan University of Technology, 3 Piotrowo St., 60-965 Poznan, Poland.
Materials (Basel, Switzerland)
|October 23, 2021
Summary
Turn-milling Inconel 718 alloy presents significant challenges due to high cutting forces, up to 50% greater than milling. Understanding tool wear is crucial for accurate machining force models.
Area of Science:
- Materials Science
- Manufacturing Engineering
- Mechanical Engineering
Background:
- Inconel 718 is a high-performance alloy critical for aerospace and marine applications.
- Its excellent properties are contrasted by significant machining difficulties.
- Turn-milling is explored as a method to facilitate Inconel 718 machining.
Purpose of the Study:
- To analyze the cutting forces involved in the orthogonal turn-milling of Inconel 718.
- To investigate the impact of simultaneous side and end edge engagement on tool loading.
- To highlight the influence of tool wear on cutting force models for this alloy.
Main Methods:
- Orthogonal turn-milling experiments were conducted on Inconel 718.
- Cutting forces were measured during the material removal process.
- The effect of tool wear on force coefficients was analyzed.
Main Results:
- Turn-milling Inconel 718 involves both side and end cutting edges, increasing tool load.
- Measured forces during turn-milling can exceed those in conventional milling by up to 50%.
- Tool wear significantly alters cutting force proportional coefficients.
Conclusions:
- The increased forces in turn-milling Inconel 718 pose a risk of tool damage.
- Accurate cutting force models must account for tool wear effects.
- Further research into optimizing turn-milling parameters for Inconel 718 is warranted.
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