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Title: Design of an electrochemical micromachining machine
Authors: Spieser, A
Ivanov, A
Keywords: Electrochemical micromachining (EMM);Micro ECM;Micro ECM machines;Micro manufacturing;PECM
Issue Date: 2014
Publisher: Springer-Verlag London Ltd
Citation: International Journal of Advanced Manufacturing Technology, (December 2014)
Abstract: Electrochemical micromachining (μECM) is a non-conventional machining process based on the phenomenon of electrolysis. μECM became an attractive area of research due to the fact that this process does not create any defective layer after machining and that there is a growing demand for better surface integrity on different micro applications including microfluidics systems, stress-free drilled holes in automotive and aerospace manufacturing with complex shapes, etc. This work presents the design of a next generation μECM machine for the automotive, aerospace, medical and metrology sectors. It has three axes of motion (X, Y, Z) and a spindle allowing the tool-electrode to rotate during machining. The linear slides for each axis use air bearings with linear DC brushless motors and 2-nm resolution encoders for ultra precise motion. The control system is based on the Power PMAC motion controller from Delta Tau. The electrolyte tank is located at the rear of the machine and allows the electrolyte to be changed quickly. This machine features two process control algorithms: fuzzy logic control and adaptive feed rate. A self-developed pulse generator has been mounted and interfaced with the machine and a wire ECM grinding device has been added. The pulse generator has the possibility to reverse the pulse polarity for on-line tool fabrication.
ISSN: 0268-3768
Appears in Collections:Dept of Mechanical Aerospace and Civil Engineering Research Papers

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