What are the factors that affect the productivity of electrolytic grinding

       1) Electrochemical equivalent



    According to Faraday's law, the electrochemical equivalent on the anode (workpiece) is the amount of metal that can theoretically be electrolytically removed per unit of electricity. Electrolytic grinding is also the same as electrolytic machining, and the required current and time can be calculated based on the amount of metal remaining to be removed. Since there may be gas discharge precipitation on the anode during electrolysis, more energy is lost, or because the mechanical grinding action of the grinding wheel during grinding will save the electric energy for electrolytic metal removal, the current efficiency may be less than or greater than 1. Due to the workpiece material Most of them are composed of a variety of metal elements, and the electrochemical equivalents of each metal component and impurity are different, so there is a certain difference in the speed of electrolytic etching (especially at the edge of the metal lattice), which constitutes a poor surface roughness. one of the reasons.

    2) Current density

    Increasing the current density can accelerate the anodic dissolution. The ways to increase the current density are: increasing the working voltage; reducing the gap between the plates; reducing the resistivity of the electrolyte; increasing the temperature of the electrolyte, etc.

    3) Workpiece speed and contact area

    During electrolytic grinding, the rotational speed of the workpiece (two strokes per minute for surface grinding) and the contact area between the workpiece and the grinding wheel are increased, that is, the amount of metal electrolysis per unit time is increased, so productivity can be improved.

    During cylindrical grinding, the contact area between the grinding wheel and the workpiece is small. If certain technological measures are taken, an auxiliary cathode is added or the "middle pole method" is adopted, the electrolysis area can be increased, thereby improving productivity.