Internal pipe welding apparatus

Details Internal pipe welding apparatus Internal pipe welding apparatus

B - Operations, Transporting

21

C

78/48

B21C 37/08 (2006.01) B23K 9/028 (2006.01)

Patent

CA 1230247

Abstract Internal pipe welding apparatus, including a pair of internal pipe clamps between which is disposed a rota- tive welding head support. The welding wire and gas feed conduits are disposed through passages through the central hub of one of the clamps. The welding head support is ro- tated by a ring gear engaged by a gear carried by a shaft disposed through a passage of the central hub of the other clamp. The gear engagement with the ring gear is adjust- able to minimize vibration and chatter. The welding wire feeders are mounted on a block support at the front of the first mentioned central hub.

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