This article explores the crucial role played by grinding machines in the production process of PCB (Printed Circuit Board). By efficiently removing contaminants and oxide layers from the PCB surface, grinding machines significantly enhance the surface quality of PCBs, improving the reliability and stability of electrical connections. Additionally, with their versatility and high automation level, grinding machines adapt to various PCB surface treatment needs, boosting production efficiency. Furthermore, modern grinding machines prioritize environmental protection and energy efficiency in their design and manufacturing, reflecting the pursuit of green development in modern industry.