Experimental Analysis of Cutting Force Reduction During Ultrasonic Assisted Turning of Ti6Al4V

Llanos, Iñigo; Campa, Ángela; Iturbe, Ariane; Arrazola, P.J.; Zelaieta, Oier

doi:10.1016/j.procir.2018.08.227

Cited by 21 publications

(8 citation statements)

References 9 publications

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“…The most widely used titanium material, Ti-6Al-4V, which constitutes around 80 to 90% of use in the aerospace components [11] has also been investigated using UAM when turning. Llanos et al [12], Zhang and Want [13], and Maroju and Pasam [14] carried out experimental investigations of force reduction during UAM of Ti-6Al-4V compared to CT using various cutting parameters. They found force reductions in the use of UAM, which was more evident at the lower cutting speeds.…”

Section: Introductionmentioning

confidence: 99%

Hybrid simultaneous laser- and ultrasonic-assisted machining of Ti-6Al-4V alloy

Dominguez-Caballero

Ayvar-Soberanis

Kim

et al. 2023

Int J Adv Manuf Technol

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The machinability of Ti-6Al-4V alloy has been a constant challenge in the industry, although the material is widely used in the aerospace and medical industries due to its mechanical properties, particularly its strength-to-weight ratio. The current research presents a hybrid laser- and ultrasonic-assisted machining (LUAM) technique to improve the machinability of Ti-6Al-4V alloy in a turning process. This is compared with ultrasonic-assisted machining (UAM), laser-assisted machining (LAM), and convectional turning (CT). The results reveal that UAM and LAM can reduce the cutting forces and surface roughness (Ra) compared to the CT. However, these are achieved mainly at the lowest range of cutting speeds. The hybrid LUAM process demonstrates process improvement with wider range of cutting speeds and depths of cut, which is achieved due to the combined force reduction and thermal softening effect by the hybrid process.

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Section: Introductionmentioning

confidence: 99%

Hybrid simultaneous laser- and ultrasonic-assisted machining of Ti-6Al-4V alloy

Dominguez-Caballero

Ayvar-Soberanis

Kim

et al. 2023

Int J Adv Manuf Technol

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“…Ultrasonic-assisted cutting exceeds ordinary cutting methods in Ti alloy machining. Based on the principle of multiple contacts and separations between the cutter tool and the workpiece, scholars established an analysis model of ultrasonic-assisted milling (UAM) [4][5][6]; by comparing the effects of various technological parameters on the cutting force and surface morphology during the Ti alloy machining process using two methods, it was concluded that ultrasonic vibration cutting technology was superior to the traditional technique. Scholars worldwide have employed ultrasonic-assisted cutting methods to examine the surface integrity of difficult-to-process materials [7][8][9][10][11], which can provide a new approach for surface morphology investigations, such as surface roughness, texture, and frictional wear.…”

Section: Introductionmentioning

confidence: 99%

Optimizing Processing Parameters and Surface Quality of TC18 via Ultrasonic-Assisted Milling (UAM): An Experimental Study

Xie

Wang

et al. 2023

Micromachines

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This study conducted longitudinal ultrasonic-assisted milling (UAM) tests and optimized a combination of milling technological parameters to achieve high-quality machining of TC18 titanium alloy. The motion paths of the cutter under the coupled superposition states of longitudinal ultrasonic vibration and end milling were analyzed. Based on the orthogonal test, the cutting forces, cutting temperatures, residual stresses, and surface topographical patterns of TC18 specimens under different UAM conditions (cutting speeds, feeds per tooth, cutting depths, and ultrasonic vibration amplitudes) were examined. The differences between ordinary milling and UAM in terms of machining performance were compared. Using UAM, numerous characteristics (including variable cutting thickness in the cutting area, variable cutting front angles of the tool, and the lifting of the cuttings by the tool) were optimized, reducing the average cutting force in all directions, lowering the cutting temperature, increasing the surface residual compressive stress, and significantly improving the surface morphology. Finally, fish scale bionic microtextures with clear, uniform, and regular patterns were formed on the machined surface. High-frequency vibration can improve material removal convenience, thus reducing surface roughness. The introduction of longitudinal ultrasonic vibration to the end milling process can overcome the limitations of traditional processing. The optimal combination of UAM parameters for titanium alloy machining was determined through the end milling orthogonal test with compound ultrasonic vibration, which significantly improved the surface quality of TC18 workpieces. This study provides insightful reference data for subsequent machining process optimization.

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“…In ultrasonic machining, ultrasonic vibrations of low amplitude, and high frequency were applied to the cutting tool in ultrasonic assisted machining(UAM). The intermittent cutting resulting from the applied vibrations are responsible for the reduction of cutting forces and cutting temperatures, 23,24 improved tool life 25,26 and surface finish. 27 Also the role of amplitude 28 and frequency 29 were thoroughly studied and their importance discussed extensively in the literature.…”

Section: Introductionmentioning

confidence: 99%

Performance evaluation of spot cooled vibration assisted turning for Ti6Al4V alloy

Kartheek

Krishna

2023

Proceedings of the Institution of Mechanical Engineers, Part B:

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In the present work, a hybrid modular machining technology was designed for machining of Ti6Al4V alloy. Ultrasonic machining was integrated with vortex tube based spot cooling system with CO2 gas as working fluid for achieving the cumulative advantage of both, which is termed as Spot Cooled Vibration Assisted Turning (SCVAT). Its performance is evaluated and compared with Conventional turning, Vibration Assisted Turning and Vortex tube based spot cooling under constant machining conditions. The vibration and cooling parameters were also kept constant wherever applicable. The results showed a significant reduction in cutting temperature (30.98%), surface roughness (65.97%), and tool wear (75.03%); however, cutting forces are increased slightly compared to dry cutting. Compressive surface residual stresses were generated on the machined surface in SCVAT.

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Experimental Analysis of Cutting Force Reduction During Ultrasonic Assisted Turning of Ti6Al4V

Cited by 21 publications

References 9 publications

Hybrid simultaneous laser- and ultrasonic-assisted machining of Ti-6Al-4V alloy

Hybrid simultaneous laser- and ultrasonic-assisted machining of Ti-6Al-4V alloy

Optimizing Processing Parameters and Surface Quality of TC18 via Ultrasonic-Assisted Milling (UAM): An Experimental Study

Performance evaluation of spot cooled vibration assisted turning for Ti6Al4V alloy

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