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Double-stimulation ultrasonic elliptical vibration processing device

An elliptical vibration and processing device technology, applied in the field of mechanical processing, can solve the problems of poor sensitivity of rigid connection, lack of displacement amplification function, low energy conversion efficiency, etc., and achieve large magnetostrictive strain, convenient installation and clamping in, fast response effect

Inactive Publication Date: 2014-02-19
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0006] The present invention aims to solve the defects and deficiencies existing in the existing ultrasonic elliptical vibration processing device, such as low output power, low energy conversion efficiency, poor air-cooling and heat dissipation effect, poor sensitivity of the rigid connection mode of traditional dual-vibration source output, and lack of displacement amplification function. , providing a dual-excitation ultrasonic elliptical vibration processing device using giant magnetostrictive materials as the driving structure, using double chambers to arrange two groups of giant magnetostrictive transducers in parallel and symmetrically, and setting a one-way water cooling system in the double chambers, The vibration output end is connected by a flexible hinge, which has the advantages of large output power, strong load capacity, high energy conversion efficiency, wide frequency range, compact and reasonable structure, etc., and is widely applicable to various ultrasonic elliptical vibration processing conditions

Method used

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Embodiment Construction

[0022] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings.

[0023] A dual-excitation ultrasonic elliptical vibration processing device provided by the present invention includes a front cutter 100, a vibration generating unit 200, and a rear tool handle 300. The vibration generating unit 200 includes two sets of giant magnetostrictive transducers arranged in parallel, and each set of ultra- The magnetostrictive transducer comprises giant magnetostrictive rods 205 made of giant magnetostrictive material. The present invention uses giant magnetostrictive materials to make giant magnetostrictive transducers. Compared with transducers using piezoelectric materials in the prior art, it has the advantages of large magnetostrictive strain, high output power, fast response speed, and high load capacity. Strong and other significant advantages.

[0024] see figure 2 , a schematic structural diagr...

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Abstract

Provided is a double-stimulation ultrasonic elliptical vibration processing device. A giant magnetostrictive material is adopted to serve as a drive element, two sets of giant magnetostrictive transducers are arranged in parallel, large-area one-way water-cooling systems are arranged in the transducers, and flexible hinge connection is adopted at vibration output ends. The device has the advantages of being high in output power, loading capacity and energy conversion efficiency, wide in bandwidth, compact and reasonable in structure and the like, and can be widely applied to various ultrasonic elliptical vibration processing operating conditions.

Description

technical field [0001] The invention relates to an ultrasonic elliptical vibration processing device, in particular to a dual-excitation ultrasonic elliptical vibration processing device, which belongs to the technical field of mechanical processing. Background technique [0002] Vibration-assisted machining is a new type of machining technology that appeared in the 1950s. It can effectively improve the machining quality, so it has received widespread attention. Early vibration-assisted machining technologies were mostly low-frequency one-dimensional vibration-assisted machining, that is, vibration in the cutting direction. In the 1990s, Japanese scholars proposed the elliptical vibration technology for the first time, in the form of flexural vibration of the horn through the stretching vibration of two sets of vertically distributed piezoelectric ceramic sheets, and synthesized elliptical vibration trajectories at both ends. Compared with conventional cutting, elliptical v...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B06B1/08
Inventor 孙容磊柏伟高远
Owner HUAZHONG UNIV OF SCI & TECH
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