Micro-hole electric discharge and electrolytic combined machining multi-channel symmetrical flushing device and method
A combined machining and EDM technology, applied in the field of electric machining, can solve the problems of not being able to use EDM-electrochemical combined machining, unable to realize the internal flushing process, unable to use EDM, etc., so as to improve the hole-making effect and improve the machining Accuracy and surface quality, the effect of simplified operation
Active Publication Date: 2013-11-13
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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The device is mainly composed of nozzle chuck, electrode sleeve, nozzle inner sleeve, and nozzle outer sleeve, which can effectively increase the stability of processing, improve the processing accuracy and fineness, and the device is mainly used for electrolytic processing. Liquid flushing, but this device can only realize horizontal flushing, and has only two flow channels. In addition, it cannot realize the internal flushing process, and cannot be used for EDM, so it cannot be used for combined EDM-electrolysis machining
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[0034] figure 1 In the EDM-electrolysis combined machining system shown, the machine bed 1, the working tank 2, the workbench 3, the fixture 4, the flushing device support 5, the machine tool spindle 8, the electrolytic machining power supply 10, and the tool electrode 26 constitute the machine tool body . By flushing device 7, tool electrode clamping device 9, first pressure gauge 11 and second pressure gauge 18, first stop valve 12 and second stop valve 22, first check valve 13, second check valve 15 , The third check valve 19 and the fourth check valve 21, multistage centrifugal pump 14, clean liquid tank 16, fine filter 17, pressure pump 20, turbid liquid tank 23, flow guiding device 24, clamping guide device 25 , the sealing gasket 27, the flushing liquid sealing device 29, the combined clamping module 30 and the pipeline constitute the working fluid circulation system of the machine tool, supplying the working fluid for processing and discharging the processed products....
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The invention provides a micro-hole electric discharge and electrolytic combined machining multi-channel symmetrical flushing device and a micro-hole electric discharge and electrolytic combined machining multi-channel symmetrical flushing method, and belongs to the technical field of electromachining. The device comprises a tool electrode, a clamping and guiding device, a diversion device and a solution sealing device; during electric discharge machining, a working solution flows from the inside of the tool electrode into a machining area at a high speed, the electric discharge perforation machining is realized; during electrolytic machining, the working solution flows into the machining area along the outer wall of the tool electrode through the diversion device, and electrolytic reaming machining is realized. Two flushing methods of the working solution are realized, and requirements of electric discharge machining and electrolytic machining on a flow field are respectively met, the two machining methods can be realized under the condition of the same machine tool, the same station and the same tool electrode, errors caused by frequently changing tool clamps can be avoided, the operation is simplified, and the machining efficiency and quality are improved. In addition, the solution sealing device and the diversion device are used for realizing small-gap large-flow flushing, the stability of the flow field is ensured and the hole forming effect is improved.
Description
technical field [0001] The invention relates to a liquid flushing device and method for EDM-electrolysis combined processing, in particular to a micro-hole EDM-electrolysis combined processing flushing device and method, specifically a micro-hole EDM-electrolysis The invention relates to a combined processing multi-channel symmetrical liquid flushing device and method, belonging to the technical field of electrical processing. Background technique [0002] EDM is a processing method that uses pulse discharge between two poles to remove materials by electric erosion to obtain the required size, shape and surface quality. Since there is no direct contact between the tool electrode and the workpiece during EDM, no macroscopic mechanical force will be generated, so a softer tool electrode can be used to process a harder workpiece. In addition, since there is no macroscopic mechanical force between the two poles of EDM, it is suitable for micromachining and processing of low-rig...
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IPC IPC(8): B23H5/02B23H5/14
Inventor 曲宁松张彦徐正扬刘欣朱荻
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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