Mechanism for changes in cutting forces for down-milling of unidirectional carbon fiber reinforced polymer laminates: Modeling and experimentation
| Autor: | Shinya Hayakawa, Fumihiro Itoigawa, Takashi Nakamura, Yuta Morikawa, Satoru Maegawa |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Pressing
Carbon fiber reinforced polymer 0209 industrial biotechnology Materials science Mechanical Engineering 02 engineering and technology Deformation (meteorology) Edge (geometry) 021001 nanoscience & nanotechnology Industrial and Manufacturing Engineering Mechanism (engineering) chemistry.chemical_compound 020901 industrial engineering & automation Machining chemistry Tungsten carbide Tool wear Composite material 0210 nano-technology |
| Zdroj: | International Journal of Machine Tools and Manufacture. 100:7-13 |
| ISSN: | 0890-6955 |
| Popis: | In this study, a new cutting model for the machining of unidirectional CFRP laminates was developed to examine the mechanism for changes in the cutting forces with tool wear. This model is based on Zhang's model and divides the cutting zone into two characteristic deformation regions; chipping and pressing. Furthermore, CFRP milling tests were performed using two kinds of cutting tools: tungsten carbide (WC–Co) and polycrystalline diamond (PCD). Based on the experimental results with the developed cutting model, the net cutting forces to make a cut chip and press CFRP laminates under the flank surface of the tool were quantitatively evaluated. Consequently, it was found that the former does not depend on the progress of the tool wear, but the later increases with tool wear. Additionally, based on the results in this study, a new technique for reducing cutting forces during CFRP machining, which is based on the use of two layer tool that has a wear resistance distribution at around the tool edge was introduced. |
| Databáze: | OpenAIRE |
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