Longitudinal seam welding machine

Longitudinal seam welding machine series aremainly used for welding longitudinal seam of thin sheet. It adopts cantilevertype, and it is mainly composed of frame, fingers-type clamping unit,water-cooling mandrel, travelling carriage, crossing slider, wire feeder andtorch holder. Fingers-type clamping unit owns special push from air cell,pressure of air cell is adjusted between 0 to 7kg/cm2, and the distance of twobanks of fingers between 5 to 20mm to satisfy various welding seam width;Water-cooling mandrel is designed according the work pieces' diameter andlength to ensure the strength. The top of mandrel is inserted water-coolinginsert with groove for heat-sink cooling. It is adjustable in mandrel height tohandle various material thicknesses. Beam is fitted with travel carriage whichis moved straightly by track and driving unit, variable speed.