Design and Performance Testing of a Novel Three-Dimensional Elliptical Vibration Turning Device

Lin, Jieqiong; Han, Jiang; Zhou, Jiakang; Yan, Gu; Jing, Xian; Feng, Da

doi:10.3390/mi8100305

Cited by 14 publications

(4 citation statements)

References 31 publications

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“…This may affect the frequency mainly along one side, while the other sides should not be obvious. Manufacturing errors and imperfect contacts between PZTs and the input ends could also affect the frequencies obtained by tests [31].…”

Section: Performance Validation and Discussion Of The Vpdmentioning

confidence: 99%

Development of a Novel Three Degrees-of-Freedom Rotary Vibration-Assisted Micropolishing System Based on Piezoelectric Actuation

Yan

Chen

et al. 2019

Micromachines

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The limited degrees of freedom (DOF) and movement form of the compliant vibration-assisted processing device are inherent constraints of the polishing technique. In this paper, a concept of a 3-DOF rotary vibration-assisted micropolishing system (3D RVMS) is proposed and demonstrated. The 3-DOF means the proposed vibration-assisted polishing device (VPD) is driven by three piezo-electric (PZT) actuators. Compared with the current vibration-assisted polishing technology which generates a trajectory with orthogonal actuators or parallel actuators, a novel 3-DOF piezoelectrically actuated VPD was designed to enable the workpiece to move along the rotational direction. Meanwhile, the proposed VPD can deliver large processing stoke in mrad scale and can be operated at a flexible non-resonant mode. A matrix-based compliance modeling method was adopted for calculating the compliance and amplification ratio of the VPD. Additionally, the dynamic and static properties of the developed VPD were verified using finite element analysis. Then, the VPD was manufactured and experimentally tested to investigate its practical performance. Finally, various polished surfaces which used silicon carbide (SiC) ceramic as workpiece material were uniformly generated by the high-performance 3D RVMS. Compared with a nonvibration polishing system, surface roughness was clearly improved by introducing rotary vibration-assisted processing. Both the analysis and experiments verified the effectiveness of the present 3D RVMS for micro-machining surfaces.

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Section: Performance Validation and Discussion Of The Vpdmentioning

confidence: 99%

Development of a Novel Three Degrees-of-Freedom Rotary Vibration-Assisted Micropolishing System Based on Piezoelectric Actuation

Yan

Chen

et al. 2019

Micromachines

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“…They discovered that UVAT altered both the surface profile of the substrate and the path taken by the tool tip. Traditional 3D ultrasonic vibration-assisted machining systems often require two or more ultrasonic actuators [61,62], which are complex and lead to a slow response. Wei et al [63] developed a new ultrasonic vibration actuator through simulation and experimental design and prepared a new 3D UVAT system with a single ultrasonic actuator (figure 5).…”

Section: Ultrasonic Vibration-assisted Turningmentioning

confidence: 99%

Nontraditional energy-assisted mechanical machining of difficult-to-cut materials and components in aerospace community: a comparative analysis

Zhao,

Ding

et al. 2024

Int. J. Extrem. Manuf.

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Difficult-to-cut materials such as titanium alloys, high-temperature alloys, metal/ceramic/polymer-matrix composites, hard and brittle materials, as well as geometrically complex components such as thin-walled structures, micro channels and complex surfaces, are widely used in aerospace community. Mechanical machining is the main material removal process and responsible for the vast majority of material removal for aerospace components. Nevertheless, it encounters many problems in terms of severe and rapid tool wear, low machining efficiency, and deteriorated surface integrity. Nontraditional energy-assisted mechanical machining is a hybrid process in which nontraditional energies, e.g., vibration, laser, electric, etc., are applied to improve the machinability of local material and decrease burden of mechanical machining. It provides a feasible and promising way for improving machinability and surface quality, reducing process forces, and prolonging tool life, etc. However, systematic reviews of this technology are lacking with respect to the current research status and development direction. This paper reviews recent progress in nontraditional energy-assisted mechanical machining of difficult-to-cut materials and components in aerospace community. It focuses on the processing principles, material responses under nontraditional energy, resultant forces and temperatures, material removal mechanisms and applications of these processes including vibration-, laser-, electric-, magnetic-, chemical-, cryogenic cooling-, and hybrid nontraditional energies-assisted mechanical machining. Eventually, a comprehensive summary of the principles, advantages and limitations for each hybrid process is provided, and future perspectives on forward design, device development and sustainability of nontraditional energy-assisted mechanical machining processes are discussed.

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“…The superposition of the four high-frequency vibration signals will cause the tool nose to generate a high-frequency elliptical orbit. As for the development of nonresonant 3D elliptical vibration-assisted turning apparatus, some scholars presented the structure based on flexure hinge driven by piezoelectric stacks [17][18]. In these devices, the flexure hinges were utilized to increase the output displacement of turning tool.…”

Section: Introductionmentioning

confidence: 99%

Theoretical And Experimental Research On 3D Ultrasonic Vibration-Assisted Turning Driven By a Single Actuator

Wei

Zou

Zhang

et al. 2021

Preprint

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In this paper, the peak heights of several turning methods were analyzed theoretically. Based on the results of theoretical analysis, a 3D-UVAT device driven by a single actuator was developed. To validate this design, the theory and experiment of 3D-UVAT have been undertaken. The FEA results show that design is safe, and can achieve obvious displacements in X-axis, Y-axis, and Z-axis. In the experiment, 304 stainless steel was chosen as experimental material. For comparison, CT, UVAT, and UEVT experiments were also carried out. The experimental results show that with the help of ultrasonic vibration, the surface grooves and defects are significantly reduced. This phenomenon is more obvious on machined surface obtained by 3D-UVAT. Three-dimensional surface topography shows that the roughness value Sa obtained by 3D-UVAT is smaller than CT and UVAT. Under some cutting conditions, the roughness value Sa of machined surface obtained by 3D-UVAT is smaller than UEVT. Thus, the results of theory and experiment proved that the 3D ultrasonic vibration-assisted turning driven by a single actuator has a great potential in improving the quality of machined surface.

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Design and Performance Testing of a Novel Three-Dimensional Elliptical Vibration Turning Device

Cited by 14 publications

References 31 publications

Development of a Novel Three Degrees-of-Freedom Rotary Vibration-Assisted Micropolishing System Based on Piezoelectric Actuation

Development of a Novel Three Degrees-of-Freedom Rotary Vibration-Assisted Micropolishing System Based on Piezoelectric Actuation

Nontraditional energy-assisted mechanical machining of difficult-to-cut materials and components in aerospace community: a comparative analysis

Theoretical And Experimental Research On 3D Ultrasonic Vibration-Assisted Turning Driven By a Single Actuator

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