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Subtly processing method of electrolyte axial flow and special electrode nozzle therefor

A technology of axial flow and processing methods, which is applied in the direction of electrochemical processing equipment, metal processing equipment, and the supply of processing working media, etc., can solve the problems that the electrolyte cannot be updated in time and has poor stability, so as to reduce time and area and enhance The effect of stability

Inactive Publication Date: 2007-08-08
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0004] Aiming at the problem that the electrolyte cannot be updated in time and the stability of the machining process is poor in micro electrolytic machining, the invention proposes a micro machining method with axial flow of electrolyte and its special nozzle, which can realize high-quality micron machining on high-performance metal workpieces. microstructure processing

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  • Subtly processing method of electrolyte axial flow and special electrode nozzle therefor

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Embodiment Construction

[0015] The device for implementing the "microelectrolytic machining method with axial flow of electrolyte" of the present invention is shown in Figure 1. Including the spindle 1 and workbench 7 of the micro electrolytic machining machine tool, the current sensor 2, the micro electrolytic machining pulse power supply 3, the electrolyte filter 4, the acid and alkali resistant micro pump 5, the electrolyte tank 6, the workpiece anode 8 to be processed, the micro Tool cathode 9 and electrode nozzle 10. Wherein the electrode nozzle is composed of a nozzle chuck 11 , an electrode sleeve 12 , a nozzle inner sleeve 13 and a nozzle outer sleeve 14 .

[0016] Concrete implementation steps of the present invention are as follows:

[0017] 1. The electrode nozzle is installed on the spindle of the machine tool with a spring collet and connected to the electrolyte circulation pipeline. The micro tool electrode is inserted into the electrode sleeve, and the anode of the workpiece is fixed ...

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Abstract

The invention relates to trickle electrochemical machining. The liquid level of the electrolyte cell is lower than the machining surface, extracting electrolyte form the cell using its pump, using special electrode nozzle to introduce the electrolyte flowing slowly to the machining area along the radial of the tool electrode and finally returning back to the electrolyte cell from the machining area. The special electrode is made of nozzle clamper, electrode annular tube, nozzle liner and nozzle bushing. It can improve the machining stability, machining precision and micro degree.

Description

technical field [0001] The invention relates to a micromachining method for electrolyte axial flow and a special electrode nozzle thereof, belonging to the technical field of microelectrolytic machining. Background technique [0002] At present, there is an urgent need for micro-processing technology for precision micro-electromechanical devices, and electrolytic processing technology is very suitable for the requirements and characteristics of micro-processing. Due to the small amount of material removal and small size of micro-electrolytic machining, in order to control the stray corrosion of electrolytic machining, the inter-electrode gap between electrodes is only tens of microns; therefore, the machining gap is easily blocked, resulting in short circuit and damage to tool electrodes. In order to prevent the processing product from forming precipitates and blocking the processing gap, a low-concentration acidic electrolyte can be selected to make the product of the elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H3/00B23H3/10
Inventor 朱荻张朝阳曲宁松
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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