Part One: Orbital Welding
welding and tube to tube welding .
a) Tube to tube-sheet welding :
1. 408 welding power source of 400A;
2. Head of TP040 without wire feeding, TP060 with wire feeding;
3. positioner has two types: manipulate and balancer  
b) tube to tube welding :
1. Two types power source of EWA 408 (400 A) and DOVE 203 (200A)
2. Open series head and closed series head
3. A special head of Autocar big diameter tube to tube welding head
Part Two: mechanized automatic welding system
For mechanized automatic welding system cover sheet-to-sheet/longitudinal mechanized welding series, mechanized circumferential welding system, accessories (cutting machine, positioner, rolling bed, manipulator)
Part three: welding robotic system integration
Part four: Power source digital inverter MIG welding power source,Power source digital inverter TIG welding power source
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