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Tool wear and cutting forces variation in high-speed end-milling Ti-6Al-4V alloy

Zhang, S. ; Li, J. F. ; Sun, J. ; Jiang, F.

International journal of advanced manufacturing technology, 2010, Vol.46 (1-4), p.69-78 [Periódico revisado por pares]

London: Springer-Verlag

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Título:
Tool wear and cutting forces variation in high-speed end-milling Ti-6Al-4V alloy
Autor: Zhang, S. ; Li, J. F. ; Sun, J. ; Jiang, F.
Assuntos: Abrasion ; CAE) and Design ; Carbide tools ; Cemented carbides ; Cementing ; Computer-Aided Engineering (CAD ; Corrosion resistance ; Cutting force ; Cutting speed ; Cutting wear ; End milling ; Engineering ; High speed ; Industrial and Production Engineering ; Mechanical Engineering ; Media Management ; Organic chemistry ; Original Article ; Production planning ; Sound propagation ; Strength to weight ratio ; Thermal conductivity ; Titanium base alloys ; Tool wear ; Tungsten carbide ; Wear mechanisms ; Wear rate
É parte de: International journal of advanced manufacturing technology, 2010, Vol.46 (1-4), p.69-78
Descrição: Ti-6Al-4V alloy is an attractive material in many industries due to its unique and excellent combination of strength to weight ratio and their resistance to corrosion. However, because of its low thermal conductivity and high chemical reactivity, Ti-6Al-4V alloy is generally classified as a difficult-to-cut material that can be characterized by low productivity and rapid tool wear rate even at conventional cutting speeds. It is well known that tool wear has a strong relationship with the cutting forces and a sound knowledge about correlation between cutting forces variation and tool wear propagation is vital to monitor and optimize the automatic manufacturing process. In the present study, high-speed end-milling of Ti-6Al-4V alloy with uncoated cemented tungsten carbide tools under dry cutting conditions is experimentally investigated. The main objective of this work is to analyze the tool wear and the cutting forces variation during high-speed end-milling Ti-6Al-4V alloy. The experimental results show that the major tool wear mechanisms in high-speed end-milling Ti-6Al-4V alloy with uncoated cemented tungsten carbide tools are adhesion and diffusion at the crater wear along with adhesion and abrasion at the flank wear. The cutting force component in the negative y -direction is more dominant of the three components and displays significantly higher magnitudes than that of the other two components in x- and z -directions. The variation of cutting force component F y has a positive correlation with the tool wear propagation, which can be used as a tool wear indicator during automatic manufacturing process.
Editor: London: Springer-Verlag
Idioma: Inglês

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Tool wear and cutting forces variation in high-speed end-milling Ti-6Al-4V alloy

Zhang, S. ; Li, J. F. ; Sun, J. ; Jiang, F.

London: Springer-Verlag

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