Internal liquid injecting electrolytic grinding and milling machining system and method

A processing system, grinding and milling technology, applied in the field of internal spray electrolytic grinding and milling processing system, can solve the problems of unfavorable electrolytic grinding and milling high-efficiency processing, affecting the stability of the processing process, etc., to improve processing stability, improve surface quality and processing Accuracy, the effect of reducing persistent fever

Inactive Publication Date: 2016-11-09
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
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Problems solved by technology

This problem seriously affects the stability of the machining process, which is not conducive to the efficient machining of electrolytic milling.

Method used

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  • Internal liquid injecting electrolytic grinding and milling machining system and method
  • Internal liquid injecting electrolytic grinding and milling machining system and method
  • Internal liquid injecting electrolytic grinding and milling machining system and method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the drawings:

[0026] Such as figure 1 As shown, the drawn schematic diagram of the product distribution in the machining gap of the internal jet electrolytic milling includes: tool cathode rod substrate 1, machining workpiece 2, diamond coating 3, central blind hole 4, hydrogen gas 5, insoluble electrolytic products 6, and liquid flow Hole 7. It can be seen from this schematic diagram that the machining depth of electrolytic milling is deeper and the machining gap is small. This environment is not conducive to the timely discharge of insoluble electrolytic products 6, hydrogen 5 produced by electrolytic reactions, and reaction Joule heat, which is prone to sparking. , Is not conducive to processing stability.

[0027] Such as figure 2 As shown, a device for improving the stability of the electrolytic milling process proposed by the present invention includes a current monitoring system, an electrol...

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Abstract

The invention relates to an internal liquid injecting electrolytic grinding and milling machining system and method, and belongs to the field of electrolytic grinding combined machining. The machining system comprises an electrolyte circulating system, a current detecting system and a servo valve control system. Internal injecting type liquid supply of electrolytic grinding and milling and filtering and recycling of electrolyte are achieved through the electrolyte circulating system. The current detecting system can detect current magnitude and the current sudden change condition in the machining process in real time. The servo valve control system can fast adjust electrolyte flow entering a machining area when an industrial personal computer detects the continuous sudden changes of currents, so that an electrolytic product and joule heat are fully discharged. The system and method have important significance on improvement of the stability of the electrolytic grinding and milling machining process.

Description

Technical field: [0001] The internal spray liquid electrolytic grinding and milling processing system and method of the present invention belong to the field of electrolytic grinding composite processing. Background technique: [0002] With the development of science and technology, a large number of metal materials such as high temperature alloys and titanium alloys have been used in modern aviation, aerospace, shipbuilding and other industrial fields. For example, GH4169 alloy accounts for 34%, 56% and 57% of the total weight of the CF6 engine, CY2000 engine and PW4000 engine respectively; titanium alloy accounts for 41% of the total material used in the fourth-generation fighter F-22. However, affected by the inherent characteristics of these materials, such as poor thermal conductivity, high strength, and high hardness, the high temperature and high cutting force in the machining area during machining can easily cause tool wear. Take the thin-walled casing of the combustion ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H5/08
CPCB23H5/08
Inventor 牛屾李寒松付书星曲宁松
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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