When evaluating a radiator recycling machine, the most critical factor is the processing capacity (kg/h), which typically ranges from 300kg to 2000kg per hour. You must ensure the blade material is made of high-quality tungsten steel or alloy to guarantee a long service life and clean cuts. Additionally, verify the center distance of the copper pipes (e.g., 19mm, 21mm, 25mm) to ensure the machine is compatible with the specific scrap radiators you intend to process. High-end models should feature automatic oiling systems and PLC control panels for operational safety and efficiency.