Patent no: ZL200520081746.6 ZL200510043214.8 Introduction Automatic welding machine for circumferential seams of irregular shaped tank that was developed by our company is incorporated with advanced computer controlling technology, PLC technology; micro-electronics and frequency conversion technology to make the welding of a circumferential seam finished at one go. The welding seams are good in appearance high quality and production efficiency. Convenient in operation and can improve your product both in quality and quantity. Parameter Applicable tank dimension Welding speed :50---1000mm/min Cable delivery :tacking Min-rotating diameter:1200mm Gantry longitudinal for-back speed:2800mm/min Flux recycle device: automatic pneumatics MAX-rotating diameter:3200mm(can-be-extended) Welding position : flat welding Welding profile model: automatic magnetism Gantry gauge: 4100mm Welding-wire-diameter:1.0.to1.6mm Applicable width of welding:5to12mm Length of gauge rail:16000mm(can-be-extended) Weld manner: submerged arc welding Welding seam monitor mode: video Rotating device gauge:1700mm Gantry drive: ac converter, stepless speed regulation, double-side drive Power supply:AC380 50hz 3-Phase-4-wire Length of rotating rail device:16000mm Rotation drive: AC converter, infinitive adjustment Mainpower:31KW