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Composite ultrasonic elliptical vibratory cutting device suitable for making shark skin imitation structural skin

A technology of elliptical vibration and cutting device, which is applied in the direction of driving device, fluid using vibration, feeding device, etc., can solve the problems of low efficiency and diamond tool wear, and achieve the effect of processing a wide range of materials, increasing service life and improving processing efficiency

Inactive Publication Date: 2010-11-10
BEIHANG UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

Existing microstructure surface processing technologies such as biological complexity and laser etching cannot process real three-dimensional microstructure surfaces. Although ultra-precision diamond cutting can process real three-dimensional microstructures, there are serious wear and tear on diamond tools and low efficiency. and other shortcomings

Method used

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  • Composite ultrasonic elliptical vibratory cutting device suitable for making shark skin imitation structural skin
  • Composite ultrasonic elliptical vibratory cutting device suitable for making shark skin imitation structural skin
  • Composite ultrasonic elliptical vibratory cutting device suitable for making shark skin imitation structural skin

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Embodiment Construction

[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0036] Sharks known as the "shark skin effect" have evolved through continuous self-adaptation, self-learning and self-organization to meet their own survival needs and to reasonably regulate the external fluid medium. The non-smooth grooved drag-reducing surface. It relies on microscale or nanoscale scale grooves and mucus secretion to achieve high-speed cruising and fast maneuvering. For this reason, people have tried various means to imitate or reproduce the drag reduction effect of shark skin, but its scale configuration mechanism and mucus secretion mechanism are difficult to achieve with existing human means. In order to obtain the topography of the imitation sharkskin surface, the present invention adopts the excitation source (the first excitation source 203, the second excitation source 205) that two different structures are set on the same fastening...

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Abstract

The invention discloses a composite ultrasonic elliptical vibratory cutting device. The device consists of an ultrasonic vibrating unit, a cylindrical servo cutter frame, hollow piezoelectric ceramic and a base, wherein a cutter is arranged at the output end of the ultrasonic vibrating unit; the ultrasonic vibrating unit is arranged in the hollow piezoelectric ceramic; the hollow piezoelectric ceramic is arranged in the cylindrical servo cutter frame; the base is arranged on the end part of the cylindrical servo cutter frame; and the cylindrical servo cutter frame is provided with four elastic hinge structures. Due to the design of symmetrical hinges, cylindrical ceramic is prevented from being deviated while driving the cutter; and the processing accuracy of the surface appearance of a nanoscale three-dimensional micro-structure of the cutter is realized through the gapless transmission of the elastic hinges. The ultrasonic vibrating unit adopts two exciting sources with different structures, so that ultrasonic vibration of the cutter in a longitudinal direction and a bending direction is realized during processing. The cutting device of the invention can be suitable for making shark skin imitation structural skin.

Description

technical field [0001] The present invention relates to a cutting device, more particularly, refers to a composite ultrasonic elliptical vibration cutting device that closely combines the ultrasonic elliptical vibration cutting technology and the fast servo tool holder technology. The cutting device can be applied to Fabricate a sharkskin-like structural skin. Background technique [0002] Microstructure surface processing is widely used in military, biological, medical and other fields. Especially in the manufacturing of micro-optical components, the ultra-precision machining of the microstructure surface plays a vital role. Existing microstructure surface processing technologies such as biological complexity and laser etching cannot process real three-dimensional microstructure surfaces. Although ultra-precision diamond cutting can process real three-dimensional microstructures, there are serious wear and tear on diamond tools and low efficiency. and other shortcomings. ...

Claims

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Application Information

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IPC IPC(8): B23Q5/02B23Q5/22B06B1/06
Inventor 陈华伟程明龙尚晓朋蒋德怀张德远
Owner BEIHANG UNIV
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