... for control such as preheating, insulation, heating, welding 1, welding 2, cooling and refrigeration. The excellent temperature ... area preheats the PCB thoroughly to achieve the best welding effect. Temperature, time, slope, cooling and ... it from deformation and ensure the welding effect.8. Use a V-groove equipped with a flexible fixture ... *400mm9Weight45kg bga rework station WDS-4860 welding machine