Abstract
To study the effect of different parameters on milling force for longitudinal-torsional ultrasonic vibration milling (LTUM) of titanium alloy, the kinematic theory of LTUM is combined with the model of milling transient cutting thickness to establish the milling force equation, and experiment was carried out. The experimental results showed that milling force was positively correlated with cutting speed, cutting depth, feed per tooth (milling force increased by about 40% in increasing the cutting speed from 40 to 100 m/min, 300% in increasing the depth of cut from 0.1 to 0.4 mm, and 25% in increasing the feed per tooth from 0.01 to 0.04 mm). Milling force was negatively correlated with ultrasonic amplitude, tool helix angle (milling force reduced by about 22% in increasing the ultrasonic amplitude from 1 to 4 μm, and 23% in increasing the tool helix angle from 30 to 45°). The milling force was minimized when the ultrasonic amplitude was 4 μm; cutting speed was 60 m/min; cutting depth was 0.1 mm; feed per tooth was 0.01 mm/z, and tool helix angle was 40°. Furthermore, the empirical model of milling force was established, and accuracy was verified by experimental data.
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This research is supported by The National Natural Science Foundation of China project “Research on subsurface damage mechanism of ceramic matrix composites machined by high speed multi-dimensional ultrasonic” (Project code: 52005164).
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Zhao, M., Zhu, J., Song, S. et al. Influence of machining parameters in longitudinal-torsional ultrasonic vibration milling titanium alloy for milling force. Int J Adv Manuf Technol 123, 3587–3597 (2022). https://doi.org/10.1007/s00170-022-10509-4
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DOI: https://doi.org/10.1007/s00170-022-10509-4