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Open AccessArticle

Mechanically Enabled Two-Axis Ultrasonic-Assisted System for Ultra-Precision Machining

1
Centre of Micro/Nano Manufacturing Technology (MNMT-Dublin), University College Dublin, Dublin D04 V1W8, Ireland
2
Survey, Mechatronics and Measurements Group, European Organization for Nuclear Research, 121 Geneva, Switzerland
*
Author to whom correspondence should be addressed.
Micromachines 2020, 11(5), 522; https://doi.org/10.3390/mi11050522
Received: 18 April 2020 / Revised: 15 May 2020 / Accepted: 18 May 2020 / Published: 20 May 2020
(This article belongs to the Special Issue Ultra Precision Technologies for Micromachining)
With the use of ultrasonic-assisted diamond cutting, an optical surface finish can be achieved on hardened steel or even brittle materials such as glass and infrared materials. The proposed ultrasonic vibration cutting system includes an ultrasonic generator, horn, transducer, cutting tool and the fixture. This study is focused on the design of the ultrasonic vibration cutting system with a high vibration frequency and an optimized amplitude for hard and brittle materials, particularly for moulded steel. A two-dimensional vibration design is developed by means of the finite element analysis (FEA) model. A prototype of the system is manufactured for the test bench. An elliptical trajectory is created from this vibration system with amplitudes of micrometers in two directions. The optimization strategy is presented for the application development. View Full-Text
Keywords: optical moulds; steel cutting; FEA; control system optical moulds; steel cutting; FEA; control system
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MDPI and ACS Style

Yu, N.; Liu, J.; Mainaud Durand, H.; Fang, F. Mechanically Enabled Two-Axis Ultrasonic-Assisted System for Ultra-Precision Machining. Micromachines 2020, 11, 522.

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