An electrolyte pulse type electrolytic processing device and method

Abstract

The invention discloses an electrolyte pulse type electrolytic machining device and method. The electrolyte pulse type electrolytic machining device comprises a Z-axis feeding system, an eccentric camvibration mechanism, a control system, an electrolytic machining power source and an electrolyte supply system; the eccentric cam vibration mechanism comprises a motor, an eccentric cam, a connectingrod, a guide rail, a piston rod and a piston, the motor is connected with the eccentric cam, the connecting rod movably sleeves the eccentric cam, and the piston rod transversely runs along the guiderail under the action of the connecting rod to push the piston to push the electrolyte from one side of a machining gap to the other side; and the electrolyte makes pulsating motion under the assistance of the eccentric cam vibration mechanism, and when a workpiece anode gets close to a workpiece cathode and the machining gap is small enough, under the action of an electric field and a flow field, the anode workpiece is electrochemically dissolved and machined to approximately copy the outline of the tool cathode. The requirements for the amplitude position of the vibration mechanism and therigidity of the mechanism are not high, the cost is reduced, small-gap machining in electrolytic machining can also be achieved, and in other words, high-precision electrolytic machining is achieved.

Description

technical field [0001] The invention relates to an electrolytic processing device and method, in particular to an electrolyte pulse type electrolytic processing device and method. Background technique [0002] Electrolytic machining is a process method based on the principle of anodic dissolution in the electrolysis process and with the help of a formed cathode to process the workpiece into a certain shape and size. Electrolytic machining uses the principle of electrochemical anodic dissolution of metals in electrolytes to shape workpieces. During processing, the workpiece is connected to the positive pole of the DC power supply, the tool is connected to the negative pole, and a small gap is kept between the two poles. The electrolyte flows through the inter-electrode gap to form a conductive path between the two electrodes, and a current is generated under the power supply voltage, thereby forming an electrochemical anode solution. As the tool continues to feed relative t...

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Problems solved by technology

[0004] Conventional cam-type vibrating electrolytic machining machine tools have high requirements on the rigidity of the bed and the main shaft. The inertia of the mechanical vibration mechanism is large, and the impact force on the machine tool is large. Long-term use will reduce the life of the main shaft and the transmission mechanism.

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