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FDK develops a grinding system that can complete transparent resin grinding in a short time
FDK has developed an innovative technology that utilizes magnetic abrasive materials to polish soft substances like resin in a remarkably short time. This method is not only effective for polishing transparent resins—such as acrylic, which can achieve a surface light transmittance of up to 90%—but also suitable for treating flexible materials such as sheets and non-magnetic thin metal films.
The process is straightforward: a magnetic paste is applied to a specialized rotating tool equipped with a magnet at its tip. Once the tool is rotated, it is brought close to the workpiece, such as a resin component, allowing for efficient grinding. The entire workflow, from initial resin processing to final polishing, can be seamlessly integrated into existing automated systems like CNC machines, making it ideal for industrial applications.
The abrasive material used in this process is derived from columnar iron-based magnetic bodies, which are arranged on the special turning tool like a brush. This unique configuration allows the abrasive to adapt to the shape of the workpiece, ensuring tight contact even on complex or three-dimensional surfaces. Unlike traditional mechanical polishing methods, which often damage the delicate surfaces of soft materials, magnetic polishing significantly reduces surface roughness to 20 nm or less, resulting in a much smoother and more refined finish.
This technology offers a reliable and efficient alternative to conventional polishing techniques, especially when working with sensitive or intricate materials. It combines precision, automation, and versatility, making it a valuable addition to modern manufacturing processes.