Frequency conversion polarization polishing device and method

Abstract

A frequency conversion polarization polishing device has: a power supply module, which is provided with a power supply connection terminal; an inverter, which outputs alternating current with adjustable frequency; a frequency control device, which controls the alternating current output by the inverter Frequency; a control device, which controls the predetermined frequency of the alternating current of the frequency control device; and, an electrolytic polishing device, which uses the variable frequency and variable voltage alternating current output by the inverter to make the electrolytic polishing device operate at a predetermined frequency and voltage The alternating current is directly processed on the surface of the workpiece; so far, a method for electrolytic polishing equipment that can use frequency conversion to change the frequency of the processing current is provided to achieve the purpose of stable polishing.

Description

technical field [0001] The invention relates to a frequency conversion polarization polishing device and method, which can be used in electrolytic polishing equipment to change the frequency of processing current by means of frequency conversion, so as to achieve the purpose of stable polishing. Background technique [0002] The general polishing technology uses physical polishing or chemical polishing to make the metal surface smooth, while traditional physical polishing uses grinding and polishing methods, which are likely to cause metal oxidation, and grinding and polishing are easily limited to the angle of the object to be ground , in the area or gap where the included angle is too small, it is difficult to use the grinding method for polishing. In order to simplify the polishing process and optimize the polishing method, the industry began to use chemical polishing. Chemical polishing mainly uses electrolytic polishing. Electrolytic polishing The principle is to use th...

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Problems solved by technology

[0004] According to the above, it can be known that the electrolytic polishing uses the workpiece as the anode to connect the positive pole of the DC power supply, and uses a conductive material such as lead or stainless steel that is resistant to electrolyte corrosion as the cathode, and connects the negative pole of the DC power supply to achieve the electrolytic polishing effect, and electrolytic polishing can The achieved surface roughness is related to the original surface roughness. Therefore, before electrolytic polishing, rough objects still need to be mechanically ground to modify the surface of the object, and a large number of large-area polishing is difficult to polish comprehensively and completely. Therefore, the industry is more productive. There are tools for partial electrolytic polishing; however, due to the disadvantages of poor versatility of the electrolyte, short service life and strong corrosion, the application range of electrolytic polishing is limited, so the partial electrolytic polishing uses a brush to adhere to the electrolyte, making it easy to replace the electrolyte The type of liquid; in the process of brushing, the contact area between the brush and the workpiece directly affects the resistance value between the brush and the workpiece, and when the resistance value of the brush is too high, the brush is easily melted due to overheating, resulting in the brush Frequent replacement, and when the resistance value of the workpiece is too high, it is easy to cause the metal surface to be partially dented. The power consumption and material loss of the object in the process are actually a major disadvantage, and it needs to be improved.

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