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Both 1D and 2D vibration-assisted machining (VAM) are able to improve the cutting performance in micro cutting in terms of surface integrity, cutting force and tool wear. In 2D VAM, it has already been concluded that a lower nominal cutting speed or a smaller speed ratio will lead to a decreased chip compression ratio (CCR) due to the introduction of more reversed friction. However, in 1D VAM, the...
Straightness control in deep hole gundrilling of Inconel-718 is challenging. In this study, the drills are found to degrade rapidly on the cutting edges, bearing pads and side margins, largely due to the extreme heat resistivity of the high temperature superalloys. Severe adhesive wear developed on the rake and flank faces deteriorates cutting efficiencies of the cutting edges while diffusive wear...
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