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A preparation method of electrolytic machining array inclined hole cathode and array inclined hole cathode

An array electrode and cathode technology, which is applied in the field of preparation method and cathode structure of electrolytic machining tool cathode, can solve the problems of poor uniformity of flow field distribution of cathode liquid channel, poor insulation effect of cathode side wall, difficult preparation of cathode structure, etc. Improve the ability of anti-electrolyte erosion, reliable insulation performance, strong bonding effect

Active Publication Date: 2019-01-25
JIANGSU CHENGGONG VALVE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the disadvantages of the existing electrolytic machining array inclined holes, such as the difficulty in preparing the cathode structure, the poor insulation effect of the cathode side wall, and the poor flow field distribution uniformity of the cathode liquid channel, and to provide a preparation of the electrolytic machining array inclined hole cathode. Method and array slanted hole cathode, adopting the technical scheme of the present invention, the array slanted hole cathode has high preparation precision, good consistency of electrode column size and spacing, reliable insulation performance, and stable and reliable flow field of electrolyte liquid flow tank

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  • A preparation method of electrolytic machining array inclined hole cathode and array inclined hole cathode
  • A preparation method of electrolytic machining array inclined hole cathode and array inclined hole cathode
  • A preparation method of electrolytic machining array inclined hole cathode and array inclined hole cathode

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Embodiment 1

[0039] to combine figure 1 As shown, the preparation method of a kind of electrolytic machining array slanted hole cathode of this embodiment comprises the following steps:

[0040] S1. Preparation of titanium alloy electrode block: cutting each surface of titanium alloy square material by slow wire cutting process to obtain titanium alloy electrode block; before this step, in order to ensure higher cutting accuracy of titanium alloy electrode block, the titanium alloy square Put the material in the container of the ultrasonic equipment and add a water-based solvent to clean it for at least 30 minutes, take it out and dry it, and then perform slow wire cutting, which reduces the influence of dirt on the surface of the titanium alloy square material on the accuracy of wire cutting, so that the slow wire cutting can be used to obtain The parallelism between the top and bottom of the high-quality titanium alloy electrode block does not exceed 0.01mm, and the verticality between t...

Embodiment 2

[0048] A preparation method of the electrolytically processed array of inclined-hole cathodes and the array of inclined-hole cathodes in this embodiment, the preparation method and the basic structure of the array of inclined-hole cathodes are the same as in Example 1, the difference is that in the electrolytic processing of the array of inclined-hole cathodes In step S6 of the preparation method, first cover the electrode slope and the electrode power supply connection, then use micro-arc oxidation technology to insulate the electrode, and use electrophoresis technology to encapsulate the micro-arc oxidation insulating surface to form a double insulating composite layer; Carry out non-insulation protection on the electrode slope and the electrode power connection, and directly insulate other positions, and then remove the non-insulation protective layer on the electrode slope and the electrode power connection.

[0049] The preparation method of the electrolytic machining arra...

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Abstract

The invention discloses a preparation method of an array inclined hole cathode through electrochemical machining and the array inclined hole cathode, which belong to the technical field of electrochemical machining. The preparation method comprises the steps of S1, utilizing a slow speed wire cutting process for cutting each face of a titanium alloy square stock, and obtaining a titanium alloy electrode block; S2, selecting a process datum on the titanium alloy electrode block, carrying out horizontal and longitudinal slow speed wire cutting according to a cathode operating requirement, and cutting to obtain an array electrode with an overall electrode column; S3, after punching each electrode column of the array electrode through an electric spark punching process, threading a silk thread for cutting to obtain a liquid flowing slot; S4, adjusting a clamping angle of the array electrode, and utilizing the slow speed wire cutting process for cutting to obtain an array electrode inclined plane; S5, connecting the array electrode and a main shaft connecting rod in a welding way; S6, carrying out insulating treatment on a side wall. The array inclined hole cathode prepared through the invention has high accuracy, good electrode column size and space consistency, reliable insulating performance, and stable and reliable electrolyte flowing slot flow field.

Description

technical field [0001] The invention relates to a preparation method and a cathode structure of an electrolytic machining tool cathode, more specifically, to a preparation method of an electrolytic machining array slant hole cathode and the array slant hole cathode based on a composite insulation process. Background technique [0002] With the development of scientific research and industrial technology, high-tech products are gradually developing in the direction of functional integration, ultra-precision and miniaturization. Accompanied by a large number of micro-sized structures of various shapes and the continuous increase of high-precision parts. High-precision machining has also become an important development direction that the world's manufacturing industry is concerned about. [0003] At present, in the fields of aerospace and precision instruments, there are many processing requirements for arrayed small holes, including some arrayed oblique holes. There are many...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H3/04
CPCB23H3/04
Inventor 何亚峰尹飞鸿肖华星俞庆干为民
Owner JIANGSU CHENGGONG VALVE TECH
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