Characteristics of Hole Machining of Brittle Material by Ultrasonic Complex Vibration

Asami, Tohru; Miura, Hiroyuki

doi:10.1143/jjap.51.07ge07

Cited by 10 publications

(3 citation statements)

References 19 publications

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“…The dimensions of a step horn with a hollow section attached to an ultrasonic complex vibration source were investigated by using design formulas. [23][24][25][26] Figure 2 is a schematic of the step horn with a hollow section. The hollow part is only at the narrow end on the right side of the step horn.…”

Section: Design Of the Step Horn Containing A Hollow Partmentioning

confidence: 99%

Ultrasonic complex vibration source equipped with a step horn with a welding tip and its welding characteristics

Mizuno,

Asami,

Miura

2024

Jpn. J. Appl. Phys.

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We have developed a new type of ultrasonic complex vibration source that can generate planar vibrations. The ultrasonic complex vibration source is equipped with a step horn with a hollow part that incorporates a welding chip to improve practicality for industrial applications. The hollow portion in the step horn attached to the ultrasonic complex vibration source enables the adjustment of the longitudinal and torsional vibration amplitude. In this work, we performed finite element method analysis to develop the ultrasonic complex vibration source equipped with a step horn containing a hollow part and a welding tip. The ultrasonic complex vibration source was manufactured and the vibration characteristics and welding properties were measured. The same welding strength was obtained under similar experimental conditions to conventional ultrasonic complex vibration sources. Our results demonstrate that ultrasonic complex vibration sources can be miniaturized and are practically useful.

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Section: Design Of the Step Horn Containing A Hollow Partmentioning

confidence: 99%

Ultrasonic complex vibration source equipped with a step horn with a welding tip and its welding characteristics

Mizuno,

Asami,

Miura

2024

Jpn. J. Appl. Phys.

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“…Yang et al 14 put forward a longitudinaltorsional ultrasonic vibration system whose wire drawing was designed by the use of the fourterminal network and carried out analysis of its relationship between resonance frequency and longitudinal and torsional amplitude based on selection of structure parameters. Asami and Miura 15 designed a hollow-type stepped horn with diagonal slits and a uniform rod with diagonal slits for hole machining brittle materials.…”

Section: Longitudinal Torsion Push-pull Vibration Devicementioning

confidence: 99%

Study on a longitudinal–torsional ultrasonic vibration system with diagonal slits

Chen

Liu

et al. 2017

Advances in Mechanical Engineering

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The longitudinal–torsional ultrasonic vibration machining process is popular for machining hard and brittle materials. A longitudinal–torsional ultrasonic vibration system with diagonal slits was designed for the ultrasonic vibration machining process based on the principle of acoustics propagation in this study. Four uniform diagonal slits were cut off on the horn cylinder to transform the longitudinal ultrasonic vibration into a longitudinal–torsional composite motion. A finite element analysis was used to optimize the mechanical structure of the vibration system. Dynamic characteristics of the vibration system were numerically studied, and the relationship of diagonal slits versus the resonance frequency and amplitudes of longitudinal–torsional vibration was analyzed, so that the longitudinal–torsional output amplitude can be optimized by rational choice of structure parameters of diagonal slits. Moreover, the movement locus of the system output end was obtained by utilizing the Origin software, which was proved to be elliptical, and the accuracy of the finite element model was confirmed by comparing numerically and experimentally determined resonant characteristics. In addition, the verification of longitudinal–torsional ultrasonic vibration was proved for the designed ultrasonic vibration system.

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“…In previous studies, the longitudinal and torsional vibration characteristics of complex vibration sources with diagonal slits have been examined for vibration sources used in hole machining experiments. Soda-lime glass was used as the processed material, and the machining time was measured to assess the machining characteristics of the hole (diameter: 12 mm; depth: 1.3 mm) created using complex or longitudinal vibration sources, where using the ultrasonic complex vibration sources resulted in a smaller hole roundness error as compared with longitudinal vibration sources [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Characteristics of ultrasonic complex vibration for hole machining in brittle materials: Comparison of longitudinal and complex vibration sources

Asami

Miura

2013

The Journal of the Acoustical Society of America

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Ceramic materials have the advantage of abrasion resistance, heat resistance, and corrosion resistance compared with metal materials. The combination of ultrasonic vibration and polishing slurry has been shown to be an effective method for machining holes in brittle materials. However, conventional ultrasonic methods use only longitudinal vibration. Complex vibration sources with diagonal slits have been applied to ultrasonic motors and ultrasonic welding; in contrast, few studies have been conducted on ultrasonic machining using complex vibration and polishing slurry. Removal rates and machining accuracy are expected to be improved by using ultrasonic complex (longitudinal-torsional) vibration. Therefore, we have developed a new method using polishing slurry together with ultrasonic longitudinal and torsional vibration sources with diagonal slits for hole machining of brittle materials. Torsional vibration is considered to improve the processing of the hole side of ceramic materials such that the polishing slurry can circulate more easily. We assume improvement of removal rate and machining accuracy for that reason. In experiments, soda-lime glass is used as the processing material in ultrasonic complex vibration or ultrasonic longitudinal vibration, and machining time is measured to assess the hole machining characteristics.

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Characteristics of Hole Machining of Brittle Material by Ultrasonic Complex Vibration

Cited by 10 publications

References 19 publications

Ultrasonic complex vibration source equipped with a step horn with a welding tip and its welding characteristics

Ultrasonic complex vibration source equipped with a step horn with a welding tip and its welding characteristics

Study on a longitudinal–torsional ultrasonic vibration system with diagonal slits

Characteristics of ultrasonic complex vibration for hole machining in brittle materials: Comparison of longitudinal and complex vibration sources

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