... automatic wire from wire feeding speed, stepless welding density, intermittent instantaneous spot welding systems and energy efficient.1, the widest of ... panel is 2.5m2, the diameter of welded is 2.5mm-6mm3, welding ... automatic9, Productivity: 15-30T/ per day for 8 hours10, Welding speed: 50 row/ min11, cooling system: automaticly12, the ...