CNC routers have become indispensable tools in various industries, enabling precise and efficient cutting, carving, and shaping of materials. One crucial decision when selecting a CNC router machine is choosing between an air-cooled spindle or a water-cooled spindle. Both options have their advantages and considerations, and understanding these factors will help you make an informed decision. In this article, we will explore the key aspects to consider when deciding between an air-cooled spindle and a water-cooled spindle for your CNC router machine.