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201911 · Junior et al. [44, 45] performed a feature extraction using the frequency domain spectrum and time-domain analysis of vibration signals to monitor the advanced ceramic grinding process.
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202381 · Axial ultrasonic vibration-assisted face grinding (AUVAFG) of SiC has the characteristics of high efficiency and serious damage. With the aim of solving the problem of serious surface damage in AUVAFG of SiC ceramics, a composite ultrasonic vibration-assisted face grinding (CUVAFG) method involving axial vibration and elliptic vibration is …
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202161 · As a special machining method, rotary UVAG introduces high-frequency vibrations during the process. Therefore, in addition to grinding parameters, amplitude and frequency are two important vibration parameters of UVAG.
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2023810 · In recent years, the ultrasonic grinding technology of hard and brittle materials has been developed rapidly [ 1, 2, 3 ]. Ultrasonic grinding is the application of ultrasonic vibration on the grinding head or workpiece, so that the grinding head and the workpiece achieve ultrasonic frequency intermittent processing, so as to effectively …
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201911 · Digital signal processing was performed to achieve feature extraction. A frequency range of 800 Hz-2 kHz was most strongly related to the post-grinding ceramic condition. A correlation was found between vibration and integrity of the ceramic workpiece because the vibration signal was proportional to the surface roughness for each cutting …
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2023822 · Comparative trials in grinding ultra-high strength steel under conventional grinding (CG) and ultrasonic vibration-assisted grinding (UVAG) processes were conducted with white alumina (WA) and microcrystalline alumina (MA) wheels.
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2023115 · The grinding force is an important index during the grinding process, which affects the surface quality and other aspects after machining. However, the research on the grinding force of ceramic matrix composites assisted by two-dimensional ultrasonic vibration-assisted grinding is very weak. In this paper, the impact of the relationship between the …
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202431 · This study adopted longitudinal-torsional compound ultrasonic vibration end grinding (LTUEG) method to grind sapphire. Firstly, the grinding trajectory equation of single grain under LTUEG was established. Then, combining with the motion state of single grain, the removal mechanism of sapphire under LTUEG was clarified.
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The investigation indicates the possibility of applying high-frequency and even ultrasonic vibrations to selected operations to improve the grinding process. It would also appear to explain some of the well-known characteristics of grinding associated with the use by precision-grinder operators of sound or noise as an indication of the process.
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2024531 · 1 Introduction Ultrasonic vibration-assisted grinding (UVAG) is an efficacious method for surface processing, characterized by introducing high-frequency ultrasonic reciprocating vibrations to the grinding wheel. Such ultrasonic vibrational energy modifies the mechanism of material removal. Due to its distinctive features, UVAG has …
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