Magnetic polishing machine testing battery aluminum shell: a competition between precision and efficiency

In today's booming new energy industry, the aluminum shell of the battery, as the core component of power batteries, has a direct impact on the performance and safety of the battery due to its surface treatment quality. The traditional polishing method is no longer able to meet the increasingly stringent process requirements, and the emergence of Magnetic Polishing Machines has brought revolutionary breakthroughs to this field.

For this actual test, the GG8850 magnetic polishing machine from Guangu was used to perform surface treatment on the aluminum shell of the 18650 battery. The equipment adopts unique magnetic field control technology, which precisely controls the movement trajectory and force of the polishing medium by adjusting the magnetic field strength and frequency. During the actual testing process, the equipment demonstrated excellent stability, uniform magnetic field distribution, and a stable Grinding layer formed by the polishing medium on the surface of the aluminum shell, achieving all-round and blind spot polishing.

In terms of polishing effect, magnetic polishing machines have shown significant advantages. The surface roughness Ra value of the processed battery aluminum shell remains stable below 0.1 μ m, which is more than 50% higher than traditional processes. The surface glossiness reaches above 90GU, fully meeting the process requirements of high-end battery products. More importantly, magnetic polishing avoids the surface damage that traditional mechanical polishing may cause, ensuring the structural integrity of the aluminum shell.

Efficiency is another highlight of magnetic polishing machines. Actual test data shows that a single processing cycle only takes 8-10 minutes, which is more than 40% shorter than traditional processes. At the same time, the device supports batch processing and can handle 200-300 aluminum shells at a time, greatly improving production efficiency. In terms of energy consumption, magnetic polishing machines reduce traditional equipment by more than 30%, which is in line with the development trend of green manufacturing.

From an economic perspective, although the initial investment of magnetic polishing machines is relatively high, their long-term operating costs are significantly lower than traditional equipment. The service life of polishing media is extended by 3-5 times, and maintenance costs are reduced by more than 50%. Based on an annual production of 1 million batteries, using a magnetic polishing machine can recoup the equipment investment cost within two years.

The measured performance of the magnetic polishing machine fully demonstrates its enormous potential in the field of surface treatment of battery aluminum shells. With the continuous advancement of technology, this new polishing method will undoubtedly promote the development of the entire new energy industry towards higher quality and efficiency. In the era of pursuing precision manufacturing, magnetic polishing machines are injecting new vitality into the new energy industry with their unique technological advantages.