In modern industrial production, the surface treatment quality of aluminum radiators directly affects the performance and aesthetics of the product. Traditional Polishing methods have problems such as low efficiency and poor consistency, which are difficult to meet the growing production needs. As an emerging surface treatment process, magnetic polishing technology is becoming the preferred solution for polishing and Deburring aluminum radiators with its unique processing principles and significant technical advantages.

1. Principle of magnetic polishing technology

The magnetic polishing machine uses a high-frequency magnetic field to drive the stainless steel needle to produce high-speed movement, and realizes polishing and deburring through the friction between the abrasive and the workpiece surface. The equipment is mainly composed of a magnetic field generator, an abrasive container and a control system. The magnetic field generator generates a high-frequency alternating magnetic field to drive the abrasive to move three-dimensionally on the workpiece surface.

Compared with traditional mechanical polishing, magnetic polishing has obvious advantages. It can evenly process complex-shaped workpieces without generating mechanical stress, and the polishing process is highly controllable, which can achieve precise surface treatment effects.

In the processing of aluminum radiators, magnetic polishing is particularly suitable for processing the narrow gaps between the heat sink fins, which is an area that is difficult to reach with traditional methods. At the same time, magnetic polishing will not change the dimensional accuracy of the workpiece, ensuring the assembly quality of the radiator.

2. Measurement process and parameter setting

This test uses a Guan Gu magnetic polishing machine with a power of 2.2kW and a frequency of 50Hz. The test sample is a 6063 aluminum alloy radiator with a size of 150×100×50mm and obvious processing burrs on the surface.

The test parameters are optimized: the polishing time is 15 minutes, the abrasive uses a stainless steel needle with a diameter of 1mm, the volume ratio of the abrasive to the workpiece is 3:1, and an appropriate amount of polishing liquid is added as a lubricating medium. During the test, the equipment runs smoothly and the noise is less than 75 decibels.

The test results show that after being processed by the Guan Gu magnetic polishing machine, the surface roughness of the radiator is reduced from Ra3.2μm to Ra0.4μm, the burr removal rate exceeds 95%, the edges of the heat sink fins are smooth, and the surface presents a uniform metallic luster.

3. Effect evaluation and Application prospects

From the analysis of surface quality, the surface finish of the radiator after magnetic polishing is significantly improved, and microscopic observation shows that the surface texture is uniform, without scratches and depressions. The heat dissipation performance test shows that the thermal resistance of the radiator after polishing is reduced by about 8%, and the heat dissipation efficiency is significantly improved.

Economic benefit analysis shows that the processing cost of a single piece of magnetic polishing is 30% lower than that of traditional methods, and the production efficiency is increased by 40%. At the same time, the equipment maintenance cost is low and the abrasive service life is long, which has significant cost advantages.

With the rapid development of industries such as 5G communications and new energy vehicles, the demand for high-efficiency radiators continues to grow. Magnetic polishing technology will play an important role in these fields and promote the innovation of radiator manufacturing technology. In the future, with the improvement of the intelligence of equipment, magnetic polishing technology is expected to achieve more precise process control and further expand the scope of application.

The application of magnetic polishing technology in the processing of aluminum radiators not only improves product quality, but also brings significant economic benefits. The promotion and application of this technology will promote the technological progress of the entire radiator manufacturing industry and provide strong support for the development of related industries. As the process continues to improve, magnetic polishing will surely play a greater role in the field of precision manufacturing.