... temperature sections for control such as preheating, insulation, heating, welding 1, welding 2, cooling and refrigeration. The excellent temperature control system ... third area preheats the PCB thoroughly to achieve the best welding effect. Temperature, time, slope, cooling and alarming all ... closed loop K-type thermocouple8Max. PCB size450*400mm9Weight45kg bga rework station WDS-4860 welding machine