Electrode and machine tool dedicated for combined machining of electric spark shaping of inner round bore and elastic honing

A compound machining and EDM technology, which is applied in the field of non-traditional machining technology, can solve the problems that affect the machining efficiency and machining accuracy of workpieces, and can not realize the combined EDM machining of inner holes, so as to reduce the number of clamping times of workpieces, improve cylindricity, The effect of process concentration

Inactive Publication Date: 2011-05-18
GUANGDONG IND TECHN COLLEGE
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The reality is that EDM is widely used in various hole processing of molds, especially for the processing of brittle and hard steel such as hardened steel and cemented carbide; however, those with high requirements for hole surface quality In some cases, subsequent polishing, grinding and other processes are often required to remove the processed deterioration layer and reduce the roughness of the inner hole surface
The existing technology cannot realize the composite machining of inner hole EDM and elastic honing, which affects the machining efficiency and machining accuracy of the workpiece

Method used

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  • Electrode and machine tool dedicated for combined machining of electric spark shaping of inner round bore and elastic honing
  • Electrode and machine tool dedicated for combined machining of electric spark shaping of inner round bore and elastic honing
  • Electrode and machine tool dedicated for combined machining of electric spark shaping of inner round bore and elastic honing

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Embodiment Construction

[0031] The core of the present invention is, aiming at the inner hole of conductive material, design a kind of special-purpose electrode and machine tool that integrates EDM rough machining and elastic abrasive honing finishing, including the following two aspects:

[0032] First, the working principle and method of the composite processing technology integrating EDM inner round hole rough machining and elastic precision honing and polishing;

[0033] Second, realize the structure design, material selection and production method of special electrodes for EDM and elastic honing, lapping and polishing composite processes.

[0034] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] see figure 1 , shows the structure of the compound machining machine tool for electric discha...

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Abstract

The invention discloses a electrode dedicated for combined machining of electric spark shaping of an inner round bore and elastic honing, comprising a tool electrode (2) of metal material, wherein the tool electrode is axially provided with an inner bore of electric spark operating fluid; the end surface of the tool electrode forms an electric spark discharging zone; and the outer side surface of the tool electrode (2) is covered with an elastic material grinding layer (9) provided with an outlet path (3) for the electric spark operating fluid. On the basis, the invention also discloses a machine tool for combined machining of electric spark shaping of an inner round bore and elastic honing, which is used for integrally and synchronously carrying out rough machining for the electric spark shaping of the inner round bore and fine machining for the elastic honing, and is favorable for improving the machining efficiency and the machining precision of a workpiece.

Description

technical field [0001] The invention relates to the technical field of electric discharge machining, in particular to a special electrode and a machine tool for combined processing of electric discharge forming and elastic honing of inner round holes, which belongs to a non-traditional processing technology in the field of mechanical engineering and machine manufacturing. Background technique [0002] At present, pure EDM technology is very common in the mold industry and special processing, but there are not many techniques involving composite processing. [0003] The Chinese invention patent application with the application number "200410023547.X" discloses a "non-conductive superhard material EDM compound grinding method and machine tool", which uses a rotating conductive grinding wheel as a tool electrode, and a thin sheet as a workpiece electrode; While the spark is eroding the material, it also plays a role of mechanical grinding to remove the metamorphic layer and car...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H5/06B23H9/14
Inventor 朱派龙陈天宏黄晓红余尚行
Owner GUANGDONG IND TECHN COLLEGE
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