Deburring machining is a processing method that uses the principle of anode dissolution of metal in the electrolyte to remove excess material on the workpiece. At the beginning of the deburring machine, the shape of the workpiece anode and the east and west cathode is different, and the interval between the points on the surface of the workpiece and the surface of the things is different, so the current density of each point is different. The current density passing through the close interval is large, the flow rate of the electrolyte is often higher, and the speed of the anode solution is faster. On the contrary, the current density passing through the distance is small, and the speed of the anode solution is slow. When things are continuously fed, the points on the surface of the workpiece are dissolved at different solution speeds, and the shape of the workpiece is gradually close to the shape of the thing, until the shape of the thing is "mirrored" on the workpiece, and the desired shape is obtained.
Deburring machine equipment electrode and workpiece processing gap problem
Machining void is one of the main factors affecting the machining accuracy of deburring machine, and it is also the main basis for planning the cathode and selecting the process parameters.
Electrolyte problem of deburring machine equipment
The main effect of electrolyte is: as a conductive medium to transfer current; The electrochemical reaction is carried out under the effect of electric field, so that the anodic dissolution can be carried out smoothly and controllably; The electrolytic products and heat generated in the processing gap are taken away in time to renew and cool the effect. Therefore, the basic requirements of the electrolyte should have the following points:
High conductivity and specific heat capacity; Low viscosity to reduce the electrical energy loss and heat generation caused by the resistance of the electrolyte, and make the electrolyte in the processing gap have sufficient flow rate; Safe, non-toxic, less corrosive; Stable composition, easy maintenance, low price. With excellent processing characteristics, the workpiece material can be evenly dissolved at high speed, and the formation of insoluble passivation film can be avoided as far as possible; Metal cations in the solution must not be deposited on the surface of the eastern and western cathodes to maintain the correct shape of the eastern and western cathodes.
