... for control such as preheating, insulation, heating, welding 1, welding 2, cooling and refrigeration. The excellent temperature ... preheats the PCB thoroughly to achieve the best welding effect. Temperature, time, slope, cooling and ... powerful cross-flow fan to cool PCB rapidly to prevent it from deformation and ensure the welding effect ... 400mm9Weight45kg bga rework station WDS-4860 welding machine