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News

ESAB offers endless marathon pac

ESAB Group : 26 January, 2004  (New Product)
With launch of the ESAB Marathon Pac Endless system, the term uninterrupted welding takes on a new meaning. Precision butt welding of the wire ends of Marathon Pacs in series makes it possible to provide a genuinely continuous supply of wire to an automated welding process. As a result productivity is enhanced as down-time for wire change and lost production following run-out is eliminated. Run-out weld defects and wire wastage resulting from 'just-in-case' wire changeover are also avoided.
With launch of the ESAB Marathon Pac Endless system, the term uninterrupted welding takes on a new meaning. Precision butt welding of the wire ends of Marathon Pacs in series makes it possible to provide a genuinely continuous supply of wire to an automated welding process. As a result productivity is enhanced as down-time for wire change and lost production following run-out is eliminated. Run-out weld defects and wire wastage resulting from 'just-in-case' wire changeover are also avoided.

ESAB's Marathon Pac has for some years provided industry with lengthy periods of uninterrupted welding on automatic and robotic MIG installations. The pre-twisted wire emerges straight from the welding nozzle, is easy to feed and has established a well-earned reputation for reliable starts and weld quality.

Until now there has always come a time when the Pac is exhausted and the process of replacement and re-threading must be entered into. On a multi-robot cell this can absorb a large amount of production time as it is rarely the case that every robot will need replenishment simultaneously. For end users who are increasingly dependent on minimally manned automatic production systems, the opportunity to schedule maintenance tasks rather than react to breakdowns is increasingly valuable.

Marathon Pac Endless version addresses this aim, as the most frequent maintenance task on MIG equipment is wire changeover. It utilises a two-Pac stand incorporating a wire conduit mounted on a swing arm to switch between empty and full Pacs. The wire ends are butt-welded together using a purpose made machine which cuts, aligns and welds the wires together, then grinds away the welding burr. This process can be carried out without stopping the machine or cell.

Current availability of Marathon Pac Endless version includes ESAB OK Autrod 12.51, 12.64, 12.50 Ecomig and 12.63 Ecomig in wire diameters of 0.8 mm, 0.9 mm, 1.0 mm and 1.2 mm.
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