Multi-mode ultrasonic vibration-assisted machining device and method
A technology of ultrasonic vibration and auxiliary processing, which is applied in the field of auxiliary processing to achieve the effects of improving adaptability and versatility, saving time and economic costs, and prolonging tool life
Inactive Publication Date: 2021-09-03
BEIHANG UNIV
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Problems solved by technology
[0004] The invention provides a multi-mode ultrasonic vibration auxiliary processing device and method to solve the problem that existing ultrasonic vibration processing devices can only realize single-mode vibration processing
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[0031] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.
[0032] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed a...
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Abstract
The invention provides a multi-mode ultrasonic vibration-assisted machining device and method. The machining device comprises a knife handle, a non-contact power transmission device, an amplitude-change pole and a transducer, wherein the non-contact power transmission device sleeves the periphery of the knife handle; and one end of the amplitude-change pole is connected with one end of the knife handle. By controlling the phase difference of electric signals applied to piezoelectric ceramic stacks, multiple columns of piezoelectric ceramic stacks are excited by the electric signals with the same frequency and different phases, the piezoelectric ceramic stacks generate vibrations with different phases, then the vibrations are differently combined to realize longitudinal vibration, bending vibration, longitudinal bending vibration and double-bending vibration modes, and these modes are integrated in the same ultrasonic vibration-assisted machining device and can be correspondingly adjusted according to different material characteristics and different machining profile characteristics of workpieces in actual working conditions, so that limitation of the same machining mode is avoided, the time cost and the economic cost are reduced, the machining quality and the machining efficiency are improved, the service life of a cutter is prolonged, and the adaptability and universality of the device are improved.
Description
technical field [0001] The invention relates to the technical field of auxiliary processing, in particular to a multi-mode ultrasonic vibration auxiliary processing device and method. Background technique [0002] Composite materials have the characteristics of light weight, high strength, high stiffness, and high wear resistance. In recent years, they have received more and more attention in academic research and industrial applications. The field has achieved a wide range of applications and has become a powerful alternative material. However, due to its high hardness, high strength, poor thermal conductivity, and anisotropy, there are problems such as large cutting force and severe cutting heat in the traditional machining after the material is formed, which can easily lead to material delamination, burrs, and edge collapse. and other processing defects. Ultrasonic vibration-assisted machining is to apply high-frequency vibration to the machining tool, so that the cutti...
Claims
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IPC IPC(8): B23D79/00
CPCB23D79/00
Inventor 袁松梅张子康安文昭高晓星
Owner BEIHANG UNIV