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Complex-surface recast-layer-free single/group-hole multi-station electric spark-electrolytic machine tool

An electrolytic machining machine tool and a technology for complex curved surfaces, which are applied in electric machining equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of difficult-to-machine small single/group holes without recasting layer processing, etc., to improve machining accuracy. and surface quality, improve processing efficiency, and reduce manufacturing costs.

Active Publication Date: 2014-03-05
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The present invention is to provide a single / group hole multi-station EDM-ECM machine tool with complex curved surface without recasting layer, so as to solve the problem that the EDM-ECM machine tool in the prior art cannot perform tiny single / group holes on difficult-to-machine metal materials. Technical Problems in Hole Machining without Recast Layer

Method used

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  • Complex-surface recast-layer-free single/group-hole multi-station electric spark-electrolytic machine tool
  • Complex-surface recast-layer-free single/group-hole multi-station electric spark-electrolytic machine tool
  • Complex-surface recast-layer-free single/group-hole multi-station electric spark-electrolytic machine tool

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Embodiment Construction

[0031] Below in conjunction with accompanying drawing, invention is described in detail.

[0032] Such as figure 1 , Figure 4 As shown, the complex surface of the present invention has no recasting layer single / group hole multi-station EDM-electrolytic machining machine tool comprising a machine bed 1, a workbench 2, a fixture 3, a workpiece 4, a working groove 5, a machine tool spindle 8, and an electrode The clamping device 14, the flushing device support 15, and the tool electrode 17 form the machine tool body. The cathode device is composed of the tool electrode 17, the electrode clamping device 14, and the guide device 57; the flushing device 16, the pressure gauge 9, 12, the pressure regulating device 10, 11, the one-way valve 13, 18, 25, the stop valve 19, Plunger metering pump 21, fine filter 22, check valves 20, 23, electromagnetic reversing valve 24, overflow valve 26, flushing pump 28, filters 29, 30, clean liquid tank 27, turbid liquid tank 31 And pipelines for...

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Abstract

The invention discloses a complex-surface recast-layer-free single / group-hole multi-station electric spark-electrolytic machine tool which comprises a machine tool body, a cathode system, a working solution circulating system, a power system and a control system. A control circuit of the power system controls switching among different-waveform power supplies according to different machining requirements, a power signal is applied to tool electrodes and a workpiece power supply system via an output circuit, and a single-loop or multi-loop power supply mode is adopted to independently supply power to the tool electrodes. A working solution circulation switching device can meet special requirements on free switching of internal and external solution flushing of tube electrodes for electric spark-electrolytic combined machining, and high-low pressure solution flushing and intermittent solution flushing can be realized; a clamping system of the cathode system can clamp single or multiple tool electrodes to realize single-hole and group-hole multi-station synchronous machining. The machine tool can realize electric spark-electrolytic combined hole-forming machining, and is simple in mechanism, high in machining efficiency and wide in application range; machined hole walls have no defects such as recast layers and micro cracks.

Description

technical field [0001] The invention relates to a single / group hole multi-station electric spark-electrolytic machining machine tool with complex curved surface without recasting layer, which belongs to the field of special processing equipment. Background technique [0002] In aerospace, electrical and electronics, instrumentation, light industry and textile and other industrial fields, there are more and more small single / group hole structure parts, and the number of holes in the parts is getting larger and smaller, and the diameter is getting smaller and smaller. The requirements for precision and surface quality are getting higher and higher. However, industrial parts have a wide variety of materials, complex structures, and difficult processing. Especially in the field of aerospace and military industry, due to the special environmental conditions of equipment work, the materials are often required to have high hardness and strength, good heat resistance and corrosion r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H9/14B23H5/02B23H5/10B23H5/14B23H11/00
Inventor 张彦徐正扬曲宁松朱荻刘欣
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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