The gantry shown here is used for welding pipes to form boiler coils.
Specifications are as follows,
- SPAN 4 m
- Height below hoist girder 2. 2 m
- Crab ct movement is manual.
- Crab carries orbital welder
- Gantry is provided with festoon arrangement to carry welding cable, gas pipe line.
- Orbital welding torch is suspended from crab with the help of spring balancer to reduce fatigue on operator.
- lt mechanism is motorized.
- End carriage trolley carries welding set & control panel.
- Electric supply to crane for welding machine & it motors through shrouded bus bars.
This is self propelled compact unit where operator controls all movements.