Abstract
In this paper, the effectiveness of ultra-precision finishing of 5052 aluminum alloy plate by magnetic abrasive finishing (MAF) process using alternating magnetic field is studied. This process generates an alternating magnetic field by supplying alternating current to the coil. Due to the cyclical change of the current, the magnetic cluster fluctuates up and down during processing. As a result, not only the abrasive is continuously circulated and renewed, but also the deformation of the magnetic cluster after contact with the workpiece is prevented, which ensures the stability of the grinding tool, and therefore the process has a higher finishing efficiency. This article studies the finishing conditions suitable for 5052 aluminum alloy plates through experiments. The experimental results show that the nano-scale finishing of aluminum alloy plate can be achieved by this process, and the surface roughness of the workpiece was improved from 318 nm Ra to 3 nm Ra within 15 minutes
