Operation control method for precise electrolytic machining

A technology of operation control and control method, applied in electric machining equipment, special circuits for machining, circuits, etc., can solve the problem of difficulty in improving machining accuracy and machining stability, unstable product exchange rate in machining gaps, and failure to achieve precision machining of metal parts, etc. question

Active Publication Date: 2017-09-19
张玉炜 +1
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Problems solved by technology

The existing electrolytic machining technology has not realized the precision machining of metal parts, and the stability is not high; from the appearance, it is mainly caused by the influence of "stray corrosion" on the shape of the side wall surface and the low "leveling ratio" of the front. , the fundamental reason is still that the steady-state electrochemical reaction has not been realized in the processing process, the feeding speed of the cathode and the reaction speed have not reached a balance, the processing gap and the exchange rate of the product are in an unstable state, thus changing the electric field distribution in the processing area , resulting in inconsistent reaction speeds in each area, and even charged ions escape from the interface electric field area, destroying the processed area, so it is difficult to improve processing accuracy and processing stability

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  • Operation control method for precise electrolytic machining

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Embodiment Construction

[0047] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0048] The present invention proposes an operation control method for precision electrolytic machining. By defining and controlling the basic parameters of the electrolyte, the parameters of various machining states are calculated and processed, and the machining voltage, pulse duty ratio, and process voltage are precisely controlled. The speed is given to meet the power demand corresponding to the processing gap, so as to achieve a steady-state electrochemical reaction.

[0049] see figure 1 , The control system of precision electrolytic machining mainly includes the host control system, the host drive structural components, the pulse power supply system, and the electrolyte management system. Among them: the host control system can be realized by industrial controllers such as PLC, CNC, various driving devices, and sensors; the hos...

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Abstract

The invention provides an operation control method for precise electrolytic machining. By identifying and controlling basic parameters of an electrolyte, calculating parameters of various machining states, and precisely controlling a machining voltage, a pulse duty factor and a feeding speed, electricity demand corresponding to machining intervals is met, so that steady-state electrochemical reaction is realized. According to the operation control method for precise electrolytic machining, the parameters of the electrolytic machining states are calculated, and a pulse power is precisely controlled, so that the machining intervals and the corresponding machining voltage, electric current density and feeding speed are controlled; the automatic control method for the machining intervals is completely solved; stable constant-interval machining is maintained; and various machining precision requirements of different materials are finally realized.

Description

technical field [0001] The invention relates to the field of electrolytic machining, in particular to an operation control method for precision electrolytic machining. Background technique [0002] Precision electrolytic machining is a subtractive machining technology based on the principle of electrolysis and based on anode dissolution. During machining, the tool is connected to the negative pole of the DC power supply as the cathode, and the workpiece is connected to the positive pole of the power supply as the anode. Electrolyte is passed between the cathode and the workpiece, the power is turned on, and the charge exchange occurs, and the anode workpiece is dissolved, so that it can be processed at a fixed point without touching the workpiece, and different contour shapes, annular channels, straight grooves and Annular grooves, special-shaped holes, mold cavities, molds, etc. do not require subsequent processing procedures. The workpiece materials to be electrolyzed are ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H3/02
CPCB23H3/02
Inventor 张玉炜
Owner 张玉炜
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