A groove array electrolytic machining system and method based on pdms template

A processing system and template technology, applied in the direction of electric processing equipment, processing electrodes, supply of processing working medium, etc., can solve the problems of stray corrosion, inconsistent PDMS template spacing, and poor adhesion between PDMS template and workpiece, etc. The effect of machining accuracy, improving the efficiency of electrolytic machining, and suppressing stray corrosion

Active Publication Date: 2019-04-05
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0006] The present invention provides a groove array electrolytic machining system and method based on PDMS templates in order to solve the above-mentioned problems in the prior art. , serious stray corrosion and other problems, significantly improving the machining accuracy

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  • A groove array electrolytic machining system and method based on pdms template
  • A groove array electrolytic machining system and method based on pdms template
  • A groove array electrolytic machining system and method based on pdms template

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] The groove array electrolytic machining system based on the PDMS template of the present invention includes a fixture 1, an anode workpiece 2, a cathode tool 3, a power supply 4, an electrolyte 5 and a PDMS template 6, the interior of the fixture 1 is a working chamber, the anode workpiece 2, and the PDMS template 6 And the cathode tool 3 is located in the working chamber, the anode workpiece 2 and the cathode tool 3 are respectively connected to the positive and negative electrodes of the power supply 4, the fixture 1 has a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are respectively located on both sides of the fixture 1 , and ensure that the flow direction of the electrolyte is consistent with the direction of the groove to be processed, the anode workpiece 2 is located at the bottom of the working chamber, and the anode workpi...

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Abstract

The invention discloses a system and a method for carrying out electrolytic machining on a groove array on the basis of a PDMS template. The method comprises the following steps: a. producing a clamp; b. producing a cathode tool with a groove structure; c. producing the PDMS template; d. embedding the PDMS template in a groove of the cathode tool; e. clamping the PDMS template, the cathode tool and an anode workpiece; f. connecting the anode workpiece and the cathode tool to the positive pole and the negative pole of a power supply separately; g. charging an electrolyte into the clamp, wherein the pressure of the electrolyte is greater than 0.1MPa; and h. turning on the power supply, and carrying out electrolytic machining. The electrolytic machining is carried out through the method, the position of the PDMS template is fixed by the cathode tool, a uniform width of the machined grooves is ensured, and the PDMS template closely contacts with the anode workpiece, so that improvement for the electrolytic machining accuracy of the groove array is benefited; and because the PDMS template can be repeatedly used, the method increases the machining efficiency of the groove array.

Description

Technical field: [0001] The invention relates to a groove array electrolytic machining system and method based on a PDMS template, belonging to the field of micro electrolytic machining. Background technique: [0002] There are many kinds of friction pairs in the operation of mechanical devices. The tribological behavior of these friction pairs affects the working performance of the mechanical system, and in severe cases, it will lead to failure of parts. The research shows that the surface texture technology is an effective means to improve the tribological properties of the friction pair surface, and at the same time, it can increase the sealing performance of the seal. Surface texture refers to the lattice of patterns such as pits, grooves or convex hulls with a certain size and distribution processed by certain processing technology on the surface of the friction pair. Reasonable groove array structure can reduce friction. At the same time, the friction pair will produ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H3/04B23H3/10B23H9/00
CPCB23H3/04B23H3/10B23H9/008
Inventor 周璇侯志保曲宁松
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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