Internal channel ultrasonic vibration auxiliary internal spraying type electrolytic grinding system and method

An ultrasonic vibration, internal channel technology, applied in the field of electrolytic grinding of deep holes, cavities and internal channels, can solve the problems affecting the machining surface accuracy and quality of internal channels, unstable flow field in the gap, etc., to improve machining accuracy and The effect of machining efficiency, avoidance of spark discharge, and simple structure

Active Publication Date: 2018-09-28
SHANDONG UNIV
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Problems solved by technology

Due to the electrolyte turbulence between the tool electrode and the workpiece, the gap flow field is unstable, which affects the machining surface accuracy and quality of the internal channel.
In order to

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  • Internal channel ultrasonic vibration auxiliary internal spraying type electrolytic grinding system and method
  • Internal channel ultrasonic vibration auxiliary internal spraying type electrolytic grinding system and method
  • Internal channel ultrasonic vibration auxiliary internal spraying type electrolytic grinding system and method

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[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0034] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention discloses an internal channel ultrasonic vibration auxiliary internal spraying type electrolytic grinding system and method. The system and method solves the problem that the machining efficiency of a deep hole, a cavity and an inner channel is low at present, and the system and method can improve the machining efficiency and reduce the roughness of the machining surface. The systemmainly comprises a motion control device, a current detection control device, an electrolyte circulating device, an ultrasonic vibration device and an inner spraying type tubular conductive grinding head, wherein the motion control device is used for controlling the high-speed rotation and feeding stability of a main shaft, the current detection control device is used for detecting the current size and controlling the generation of sudden change current in the machining process in real time, the electrolyte circulating device is used for realizing supply, filtering and recycling of the electrolyte, the ultrasonic wave vibration device is used for realizing the effects that the conductive grinding head rapidly removes a passivation film on the surface of a workpiece under the ultrasonic cavitation effect of the electrolyte and the electrochemical reaction is enhanced, and the inner spraying type tubular conductive grinding head avoids the turbulence effect between the grinding head andthe workpiece in the machining process, and maintains the stability of an electrolyte flow field.

Description

technical field [0001] The invention relates to the technical field of electrolytic grinding processing of deep holes, mold cavities and internal channels, in particular to an internal channel ultrasonic vibration assisted internal spray electrolytic grinding system and method. Background technique [0002] In view of the characteristics of laser additive manufacturing of titanium alloys and nickel-based superalloys in the high-end aerospace equipment, the internal channel surface roughness value is large, the distribution of stress and microstructure varies greatly, and the dimensional accuracy is poor, traditional machining will lead to workpiece processing. The region generates higher temperatures and greater cutting forces, reducing tool life. Electrolytic grinding is not limited by material strength, hardness and toughness, and there is no residual stress on the workpiece surface. Due to the electrolyte turbulence between the tool electrode and the workpiece, the gap f...

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Application Information

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IPC IPC(8): B23H5/08
Inventor 张建华尹瀛月刘勇孔黄海
Owner SHANDONG UNIV
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