Apparatus suitable for use in the automatic welding of pipes

Details Apparatus suitable for use in the automatic welding of pipes Apparatus suitable for use in the automatic welding of pipes

B - Operations, Transporting

21

C

327/38, 78/48

B21C 37/08 (2006.01) B23K 5/02 (2006.01) B23K 9/028 (2006.01) B23K 37/02 (2006.01)

Patent

CA 1046802

ABSTRACT OF THE DISCLOSURE The present invention relates to an apparatus suitable for use in the automatic welding of pipes. The apparatus according to the invention comprises a fixed part or rail band which is clamped around the pipe at a prefixed position and a moving part which is moved with an orbital motion along the rail band and supports a swinging welding lance, a welding rod dragging mechanism and a lance position adjusting mechanism, the swinging motion of the welding lance being produced by a pneumo-mechanic system which allows both the amplitude and the frequency of said swinging motion to be adjusted and high swing frequences and various times of stoppage for the lance at the ends of the swinging motion to be produced.

250578

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