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Development of Magnetostrictive Resonant Torsional Vibrator

机译：磁致伸缩共振扭转振动器的研制

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摘要

In this paper, the design, construction, and operation of a magnetostrictive resonant torsional vibrator are described. To generate torsional vibration, two magnetostrictive patches are bonded on an aluminum horn. Two magnetic fields, longitudinal and circumferential, are applied into the patches. As a result, the magnetostrictive patches vibrate torsionally based on the Wiedemann effect. The magnetostrictive patches are made of 2V permendur, which has isotropic magnetic properties. The principle of the torsional vibrator is explained, and differential equations of torsional vibration of the horn are derived. A torsional horn is designed for a resonant frequency of 8515 Hz. The experimental results show that the torsional angle of the tip of the horn is rad. This type of vibrator is exploited in applications that require torsional vibration, such as miniature ultrasonic motors or ultrasonicassisted bone drilling system. In other words, the vibrator is used as an actuator.
机译：在本文中，描述了磁致伸缩共振扭转振动器的设计，构造和操作。为了产生扭转振动，将两个磁致伸缩片粘贴在铝制喇叭上。在贴片中施加了纵向和周向两个磁场。结果，磁致伸缩片基于维德曼效应扭转振动。磁致伸缩贴片由2V permendur制成，具有各向同性的磁性。解释了扭转振动器的原理，推导了喇叭的扭转振动的微分方程。扭喇叭设计用于8515 Hz的共振频率。实验结果表明，喇叭尖的扭转角为rad。这种类型的振动器被用于需要扭转振动的应用中，例如微型超声马达或超声辅助骨钻系统。换句话说，将振动器用作致动器。

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