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Gantry Welding Machine This machine moves on the structure and welds it . The structure should be adjusted at 45 degrees and the operator moves with control panel with the machine . Since this machine has a self-adjusting control mechanism , the welding torch keeps its vertical distance with the structure automatically . Consequently , welding done uniformly with equal welding penetration depth . --- Cross Type Submerged Arc Welding Machine --- Similarmachines require , two or three people for an operation , but this...
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