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Method using non-conductive plastic as electrode micro-machining structure

A micro-structure and electrode processing technology, applied in electric processing equipment, electrode manufacturing, metal processing equipment and other directions, can solve the problems of high cost, complex process, difficult to popularize and use, etc., and achieve short manufacturing cycle, simple process, and reduced manufacturing. cost effect

Inactive Publication Date: 2013-03-06
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these methods have disadvantages such as complex process, high cost, and difficulty in popularization and use.

Method used

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  • Method using non-conductive plastic as electrode micro-machining structure
  • Method using non-conductive plastic as electrode micro-machining structure
  • Method using non-conductive plastic as electrode micro-machining structure

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Embodiment Construction

[0026] Specific embodiments of the present invention will be described in detail below in conjunction with technical solutions and accompanying drawings.

[0027] In the invention, the polypropylene double-cavity micro-tube obtained by micro-extrusion is used as a plastic product, oil removal, surface roughening and conduction treatment are carried out in sequence, and finally the double-cavity micro-tube is used as an electrode for electric discharge machining. Specific steps are as follows:

[0028] (1) Process with a double-cavity microtube mold. First, inject T30S polypropylene raw material particles into the extruder for melting and plasticization. The melting point of polypropylene is 170°C, and the heating temperature of the extruder is 235°C. The plastic melts After entering the micro-extrusion mold for molding, the plastic pipe is introduced into a constant temperature water tank by a tractor at a traction speed of 6m / min for cooling to obtain a polypropylene double-c...

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Abstract

The invention discloses a method using a non-conductive plastic as an electrode micro-machining structure, and belongs to the technical field of micro-machining. The method is characterized in that a non-conductive plastic piece with needed size and shape is obtained by a plastic micro-extrusion and forming method, the non-conductive plastic piece is subjected to pretreatment, surface roughening treatment and conductive treatment, the non-conductive plastic piece is used as a tool electrode and is subjected to electric spark processing, and then a metal microstructure is manufactured. The method has the advantages and beneficial effects that the characteristics of easy deformation and easy tensioning of the plastic are utilized, the limitations of size and shape of the tool electrode processed by electric spark are broken through, the process is simple, the manufacture cost is low, and a microstructure with larger depth-radius ratio can be processed highly efficiently and precisely.

Description

technical field [0001] The invention belongs to the technical field of micromachining, relates to electric discharge machining technology, and in particular relates to a method for machining microstructures with non-conductive plastics as electrodes. Background technique [0002] With the rise of the new discipline of micromechanics and microelectromechanical systems (MEMS), microfabrication technology, as a necessary means to obtain micromechanics and microelectromechanical systems, has developed rapidly. Microfabrication technology can greatly reduce the volume and quality of products, so as to meet the space requirements of small volume and light weight. At present, microfabrication technology is mainly used in the integrated manufacturing of large-scale and ultra-large-scale circuits. In addition, a large number of micro-machines (such as pressure sensors, temperature sensors, smart sensors, etc.) manufactured by micro-fabrication technology are also widely used in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H1/04
Inventor 赵丹阳田倩倩王敏杰李涛
Owner DALIAN UNIV OF TECH
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