fence. The DT-ARC is highly configurable and can handle up to three stations,” said Griffieth.
Commitment to Support Welding Cells Needed Because robotic welding systems represent a large investment in the equipment, they require careful attention to performance of all aspects of the cell. No two cells are the same, but each is selected to fit the particular requirements of parts. “The important consideration for both high- and low-volume production is to ensure that the parts to be weld- ed lend themselves appropriately to an automated welding process. Robotic welding systems rely on consistent parts to provide consistent results. Companies that have or are planning to implement a robotic welding system need to be certain that parts are simple and repeatable. The presence of gaps, poor fit-up, or poor joint access can have an extremely negative impact on the high quality sought with robotic weld- ing systems,” said Tregaskiss’ Tom Whitter. Production rates will change with implementation of
robotic systems which are welded so much faster, requiring faster delivery to the cell and exiting from the cell. “Compa- nies have to assess each activity leading up to the part enter- ing the cell, making sure that the supply of parts matches the robot’s cycle time, and also assess the steps for handling the part after it leaves. In some cases, it may be necessary to change how the parts are fabricated upstream and com- pleted downstream (e.g., finishing, painting, etc.) to establish good workflow. Companies should also look to eliminate non-value-added activities, including excessive lifting or handling of parts, and avoid multiple trips to stack products or other similar activities,” said Whitter.
Robotic welding systems add another favorable element in view of the difficulty of finding qualified welders. They can tolerate much hasher work environments. “Automated welding systems,” said Whitter, “typically operate at higher amperages and longer duty cycles than semiautomatic weld- ing operations—the robots can withstand the greater arc-on time and heat compared to a human operator.
?
ESAB Welding and Cutting Products 843-669-4411 /
www.esabna.com
Miller Electric Mfg. Co. 920-734-9821 /
www.millerwelds.com
OTC Daihen 937-669-0800 /
www.daihen-usa.com
Tregaskiss, division of ITW Welding 519-737-3900 /
www.tregaskiss.com
October 2015 |
AdvancedManufacturing.org 81 See us at SOUTH-TEC Booth #942
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