Slave type array micro pit electrolytic machining method

A follow-up, array technology, applied in the direction of electrochemical processing equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of poor localization and achieve the effect of fast speed and high electric field intensity

Active Publication Date: 2014-09-03
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to address the shortcomings of poor localization of micro-pit scales in

Method used

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  • Slave type array micro pit electrolytic machining method
  • Slave type array micro pit electrolytic machining method
  • Slave type array micro pit electrolytic machining method

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Embodiment Construction

[0036] The implementation of the present invention—"the method of micro-pit array micro-pit machining by follow-up electrolytic machining" will be described in detail below in conjunction with the accompanying drawings.

[0037] The present invention adopts the method for the micro-pits of the micro-pits of the electrolytic machining array, comprising the following steps:

[0038] (a), making the tool cathode 1, which is composed of a metal tool 2 and a mask plate 3 with a through hole structure;

[0039] (b), the workpiece anode 4 and the tool cathode 1 are respectively connected to the positive and negative poles of the power supply 5;

[0040] (c), the workpiece anode is immersed in the electrolyte 6;

[0041] (d), the surface of the tool cathode 1 and the workpiece anode 4 are closely attached;

[0042] (e), switch on the power supply 5 and carry out electrolytic machining;

[0043] (f), after one electrolytic machining is finished, cut off the power supply 5 and lift t...

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Abstract

The invention provides a slave type array micro pit electrolytic machining method, and belongs to the technical field of electrolytic machining. The method includes the steps that a tool cathode is manufactured and composed of a metal tool and a mask plate provided with a through hole group structure, a workpiece anode and the tool cathode are connected with the positive pole and the negative pole of a power supply respectively, the workpiece anode is immersed in electrolyte, the surface of the tool cathode and the surface of the workpiece anode are tightly attached, and electrolytic machining is carried out after the power supply is turned on; after primary electrolytic machining, the power supply is cut off, the tool cathode is lifted, the electrolyte on the surface of the workpiece anode is replaced, then the surface of the tool cathode and the surface of the workpiece anode are tightly attached, and the power supply is turned on for electrolytic machining. The tool cathode is lifted and falls periodically, and electrolytic machining is carried out. Due to the fact that the tool cathode and the workpiece anode are tightly attached, generated bubbles are accumulated on the side wall of a micro pit, stray corrosion around a machining area can be effectively reduced, and locality of electrolytic machining and micro machining are remarkably improved.

Description

technical field [0001] The invention provides a method for micro-pit arrays of follow-up electrolytic machining, which belongs to the technical field of electrolytic machining. Background technique [0002] There are various forms of friction pairs in mechanical devices, and the contact surfaces of the friction pairs are subject to friction and wear during relative motion, resulting in reduced service life or even damage to the mechanism device, greatly reducing work efficiency and energy utilization. Friction and wear is one of the main reasons for the failure of industrial equipment. According to statistics, the annual loss of friction and wear in European and American countries accounts for about 2% to 7% of the entire gross national product, and our domestic losses in this area are also Tens of billions of RMB. Wear and tear not only consumes energy and materials, but also accelerates the scrapping of equipment, resulting in frequent replacement of parts and causing gre...

Claims

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Application Information

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IPC IPC(8): B23H3/00
Inventor 曲宁松张西方陈晓磊朱荻
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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