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Technique for electrolysis processing fine slits and its devices

A processing technology and micro technology, applied in the field of micro-slot electrolytic processing methods and devices, can solve the problems of difficulty in ensuring dimensional accuracy, untimely removal of processed products, easy deformation, etc., so as to improve processing verticality and processing accuracy, and reduce processing Side clearance, the effect of improving machining stability

Inactive Publication Date: 2003-10-01
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0006] The above method has difficulties in processing narrow grooves and seams: 1) When the groove width is as small as 0.4mm or less, the rib-shaped protrusions of the electrodes are very thin, which is very difficult to manufacture and easily deformed; The secondary corrosion phenomenon on the side of the middle tank is serious, resulting in taper, and the dimensional accuracy is difficult to guarantee; 3) The flow and washing of the electrolyte is not sufficient and thorough, the processing products are not removed in time, and the process stability is poor

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  • Technique for electrolysis processing fine slits and its devices
  • Technique for electrolysis processing fine slits and its devices
  • Technique for electrolysis processing fine slits and its devices

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Embodiment Construction

[0020] Implementation of the present invention - "micro-slot electrolytic machining process" device, such as figure 1 As shown, the device includes an electrolyte temperature controller 12, a heater 13 controlled by the temperature controller 12 is placed in the electrolyte in the liquid storage tank 11, a control device 14 connected to a power supply 15 is connected to a transmission device 16, and is connected to the storage tank 11. The electrolyte circulation system composed of the magnetic pump 10 connected to the liquid tank 11, the filter 9, the overflow valve 8, and the ball valve 7 is connected to the working chamber 6, and its characteristic is that the outlet pressure adjustment sleeve 3 of the processing area is fixed to the tool electrode. On the mounting base 2, the wire-wound tool electrode 4 placed in the tool electrode mounting base 2 is connected to the transmission device 16 through the electrode feed shaft 1 and the workpiece mounting base 5 placed at the lo...

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Abstract

An electrolysis technology for machining fine (0.2 mm) slit or seam features that the fine metal wire is wound on particular frame to form an electrode and the liquid is fastly flushed in the radial and axial directions of electrode wire to ensure high stability and uniformity of flow field. Its apparatus is composed of liquid tank, pump, filter, overflow valve, ball valve, working cavity, temp controller, heater, controller, power supply driver, and machining unit. Its advantage is high precision (+ / -0.02 mm).

Description

technical field [0001] The micro-slot electrolytic machining process and device of the present invention belong to the micro-slot electrolytic machining method and device. Background technique [0002] Fine seams and grooves (penetrating or non-penetrating) structures exist in the fields of household appliances, aerospace, instrumentation, and precision molds, and most of them appear in the form of group seams and grooves. The processing accuracy, processing quality and processing efficiency of micro seams and grooves have a great influence on the performance, quality and cost of products. [0003] The processing methods of micro seams and grooves mainly include micro electric discharge machining, laser machining, metal cutting machining, electrolytic machining, etc. With electric discharge machining, the machining efficiency is very low, the tool electrode manufacturing cost is high and the loss is serious, and the machined surface quality is poor. Laser processing has lo...

Claims

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Application Information

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IPC IPC(8): B23H1/04B23H3/00
Inventor 朱荻徐惠宇严德荣
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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