Robot welders for Caterpillar

Motoman Robotics has received an order worth in excess of Eur 1.5 million for the supply of three robotic arc welding cells to the Bulwell, Nottinghamshire works of Caterpillar.

Motoman Robotics has received an order worth in excess of Eur 1.5 million for the supply of three robotic arc welding cells to the Bulwell, Nottinghamshire works of Caterpillar, the US construction plant manufacturing giant.

Three gantry-type cells are to be delivered by the end of June this year (2002), having been ordered as recently as April.

Two will be identical, each comprising two 6m gantries carrying two six-axis UP6 welding robots apiece with vertical z-axis movement, together with a 2t servo manipulator.

A total of eight welding robots will thus be deployed on manufacturing the frame of the legendary backhoe loader.

The third gantry welding cell, also with x/z axes and again with two inverted UP6 robots, but this time equipped with a two-station, 3t-capacity positioner, is for production of subassemblies for the same product.

Turnkey responsibility for the project is with Comau, which is integrating the Motoman equipment using automated guided vehicles for transporting the tack-welded assembles to the arc welding cells.

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