Plate electrode simulating rotation part rotary printing electrolytic dissolution process device and method

A flat electrode, electrolytic dissolution technology, used in attachments, electric machining equipment, electrochemical machining equipment, etc., can solve problems affecting the quality of the machined surface and machining accuracy, abnormal dissolution behavior, etc.

Active Publication Date: 2020-10-27
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

In the state of periodic low-frequency, low-duty-cycle pulse processing, the electrolytic dissolution behavior of anode materials, especially metals that are easily passivated, is different f

Method used

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  • Plate electrode simulating rotation part rotary printing electrolytic dissolution process device and method
  • Plate electrode simulating rotation part rotary printing electrolytic dissolution process device and method
  • Plate electrode simulating rotation part rotary printing electrolytic dissolution process device and method

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Embodiment Construction

[0029] combine image 3 , 4 , 5, illustrate the implementation process of the present invention:

[0030] (1) Use electric field simulation software to build a two-dimensional model such as image 3 , the cathode and anode are circular structures with a diameter of 50mm, the minimum machining gap between the cathode and anode is 0.4mm, and the electric field enclosed space is a rectangular area with a length of 140mm and a width of 100mm. A 18V DC voltage was applied to the anode, a 0V potential was applied to the cathode, and the conductivity of the electrolyte was set to 14.5M / S.

[0031] (2) Use electric field simulation software for numerical simulation to obtain different angular positions of the anode rotating surface θ The current density value at i θ ( image 3 ); set the rotational angular velocity of the spin-printing electrolytic machining anode workpiece w =2πrad / min, the initial angular position of a point on the anode workpiece θ 0 , to obtain the point ...

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Abstract

The invention relates to a plate electrode simulating a rotation part rotary printing electrolytic dissolution process device and a method, and belongs to the field of electrochemical machining. The test device has the characteristics that: a programmable power supply, an electrolytic fixture, an electrolyte filtration cycle system, a data recorder, a plate workpiece, a tool electrode and other equipment and devices are used, a static plate electrode is used instead of a rotary rotation electrode, and a related research about dissolution characteristics of rotary printing electrochemical machining is realized. The method comprises the steps that: step 1, an electric field simulation software numerical simulation is used for calculating a current density distribution waveform of an anode surface of rotary printing electrochemical machining; step 2, current waveform data corresponding to the current density distribution is calculated, and current waveform lattice data is imported into the programmable power supply; step 3, the electrolyte filtration cycle system and an electrochemical machining cathode and anode circuit are communicated; and step 4, a power is turned on and a relateddissolution test is conducted. According to the plate electrode simulating the rotation part rotary printing electrolytic dissolution process device and the method, the test cycle of the rotary printing electrochemical machining is shortened, the research process of rotary printing electrochemical machining is simplified. The device and the method are of great significance for reducing research cost and improving research accuracy.

Description

technical field [0001] The invention relates to a device and a method for simulating the rotary printing electrolytic dissolution process of rotary parts with flat electrodes, which belong to the technical field of electrolytic processing. Background technique [0002] Electrolytic machining is a special machining method that uses electrochemical reactions to quickly remove workpiece materials. Compared with traditional machining, electrolytic machining is a non-contact machining, which has the advantages of no tool loss, no residual stress, no cold hardening, no plastic deformation, and low surface roughness during the machining process. Therefore, electrolytic machining is suitable for processing thin-walled parts, space-complex curved surfaces, and difficult-to-cut superalloy materials. [0003] As an important part of an aero-engine, the casing is a large thin-walled part with a complex concave-convex profile. High, and after the workpiece is processed, the residual st...

Claims

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Application Information

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IPC IPC(8): B23H3/00B23H11/00
CPCB23H3/00B23H11/00
Inventor 王登勇任智源朱荻曹文见朱增伟
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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