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Vibration analysis and experiments on electrochemical micro-machining using cathode vibration feed system

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Abstract

Based on mechanics of vibration and electrochemical principle, an electrochemical micro-machining method using cathode vibration feed was proposed. The electrochemical micro-machining system using cathode vibration feed was designed and manufactured. The dynamics model of vibration excitation mechanism was given. The vibration modes and natural frequencies were discussed. The electrochemical micro-machining test using cathode vibration feed was completed. The test results were compared with electrochemical micro-machining test ones using DC and pulse power. The experimental results show that electrochemical micro-machining using cathode vibration feed can improve the accuracy of electrochemical micro-machining. Machining accuracy of the micro holes is close to one of the electrochemical micro-machining using high-frequency pulse power. The micro-machining technique is simple, without using high-frequency pulse power.

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Abbreviations

a:

constant

cj (j = 1, 2, 3, 4, 5, 6, 7, 8):

constant determined by the boundary conditions and continuity conditions

E:

elastic modulus of the material

I(x):

sectional polar moment of inertia

q(t):

time function

S(x):

cross-sectional area

t:

time

x:

position coordinate

y(x, t):

vibrating displacement

Y(x):

mode function

λ :

constant determined by the boundary conditions and continuity conditions

ρ :

density of the material

ρ l (x):

ρS(x)

ω :

natural frequency

h:

strip thickness

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Correspondence to Lizhong Xu.

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Pan, Y., Xu, L. Vibration analysis and experiments on electrochemical micro-machining using cathode vibration feed system. Int. J. Precis. Eng. Manuf. 16, 143–149 (2015). https://doi.org/10.1007/s12541-015-0018-0

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  • DOI: https://doi.org/10.1007/s12541-015-0018-0

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