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Machining device and method for synchronizing piezoelectric ceramic vibration and electrochemistry discharging

A technology of electrochemical machining and piezoelectric ceramics, which is used in electric machining equipment, accessories, metal machining equipment, etc., can solve the problem of not suitable for etching of insulating hard and brittle materials, etc., so as to improve the localization of machining and promote renewal. , the effect of improving the surface quality

Inactive Publication Date: 2018-10-16
JIANGSU UNIV
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Problems solved by technology

However, this technical solution is suitable for the processing of high-performance composite coatings, and is not suitable for the etching processing of insulating hard and brittle materials

Method used

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  • Machining device and method for synchronizing piezoelectric ceramic vibration and electrochemistry discharging

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0033] Such as figure 1As shown, a piezoelectric ceramic vibration and electrochemical discharge synchronization processing device includes a hollow laser irradiation system, an electrochemical processing system, a motion control system and a working fluid circulation system. The hollow laser irradiation system includes a pulsed laser 9, a positive Prism 7, negative prism 8, reflecting mirror 6 and focusing lens 10. The pulsed laser light emitted by pulse laser 9 is modulated into hollow laser by negative prism 8 and positive prism 7 in sequence, the optical path is changed by reflecting mirror 6, and finally focused by focusing lens 10.

[0034] The electrochemical machining system includes DC pulse power supply 2, piezoelectric ceramics 16, AC power supply 18, current p...

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Abstract

The invention provides a machining device and method for synchronizing piezoelectric ceramic vibration and electrochemistry discharging and belongs to the field of special composite machining. When anelectrochemistry power source outputs pulse currents, a piezoelectric ceramic power source outputs forward voltage excitation signals synchronously, piezoelectric ceramic is bent upwards, and a gap between a workpiece and a tool electrode becomes smaller; during pulse intermittence of the electrochemistry power source, when no glass workpiece is subjected to discharging machining, the piezoelectric ceramic power source outputs negative voltage excitation signals, the piezoelectric ceramic is bent downwards, and the gap between the workpiece and the tool electrode becomes large. The electrochemistry power source and the piezoelectric ceramic power source carry out discharging synchronously to enable the machining gap during the discharging stage to be reduced, the utilization efficiency ofthe discharging energy is improved, and the machining locality is enhanced; and during discharging stop intermittence, the machining gap becomes large, which is beneficial for throwing out corrosiveimpurities and updating electrolyte.

Description

technical field [0001] The invention relates to the field of composite micromachining in special processing technology, in particular to a processing device and method for synchronizing vibration and electrochemical discharge of piezoelectric ceramics, which is suitable for microfabrication and manufacture of insulating hard and brittle materials. Background technique [0002] Insulating hard and brittle materials represented by glass have excellent properties such as high hardness, chemical corrosion resistance, transparency and good biocompatibility. They are used in micro-accelerators, micro-reactors, micro-pumps, medical devices and optical systems in MEMS There are more and more applications. However, due to their hardness and brittleness, the processing technology is poor, precision micro-processing is more difficult, simple laser processing is prone to cracks, and the efficiency of electrochemical discharge processing is low. [0003] The laser electrochemical compos...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H5/00B23K26/00B23H5/10B23H5/14B23H11/00
CPCB23H5/00B23H5/10B23H5/14B23H11/00B23K26/0093
Inventor 赵斗艳张朝阳朱浩戴学仁曹增辉王安斌王虹
Owner JIANGSU UNIV
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