Single-excitation ultrasonic elliptical vibration micro-machining work platform
A technology of elliptical vibration and working platform, which is applied in the directions of worktable, fluid using vibration, manufacturing tools, etc., can solve the problems of ultrasonic machining resonance frequency drift, unstable processing quality, and reduced processing efficiency, so as to improve work reliability, Simple structure, stable vibration performance
Inactive Publication Date: 2015-04-01
SUZHOU UNIV OF SCI & TECH
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The invention discloses a single-excitation ultrasonic elliptical vibration micro-machining work platform. The single-excitation ultrasonic elliptical vibration micro-machining work platform comprises a vibration isolation platform, a transverse moving work platform, a longitudinal moving work platform, a shell unit, an ultrasonic vibration transducer, an ultrasonic wave power supply, an elliptical vibration mode converter and a small work platform, wherein the ultrasonic vibration transducer is placed in the shell unit; the small work platform is arranged at the front end of the elliptical vibration mode converter; the shell unit comprises a front baffle, a sleeve and a rear baffle; the ultrasonic vibration transducer comprises a bolt, a rear cover plate, a piezoelectric ceramic piece, an electrode plate and a front cover plate; the rear cover plate, the piezoelectric ceramic piece, the electrode plate and the front cover plate sequentially sleeve the bolt; the rear cover plate, the piezoelectric ceramic piece, the electrode plate and the front cover plate are connected to one another and are tightly pressed together via the bolt; the elliptical vibration mode converter is arranged at the front end of the front cover and has a wedge-shaped structure; and longitudinal ultrasonic vibration generated by the ultrasonic vibration transducer can be converted into longitudinal and bent composite ultrasonic elliptical vibration at the tail end of the elliptical vibration mode converter and on the small work platform by the elliptical vibration mode converter, so that workpieces on the small work platform can be driven to perform ultrasonic elliptical vibration.
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