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Tandem MIG
The future of welding is here.
®
APPLICATION
2/16
High-Speed and High-Deposition Welding
WAVEFORM CONTROL TECHNOLOGY
TM
Tandem MIG is a dual wire GMAW process that is
used in automated welding applications to improve
welding productivity and part throughput. The process
utilizes two welding power sources and two wire
feeders acting in tandem to deliver two wire electrodes
through a single welding torch. The dual wire welding
torch, capable of often doubling the welding output of
a single wire torch, is used in hard automation and
robotic arc welding cells in the same manner as a
single wire welding torch would be. The two welding
arcs that are generated in the Tandem MIG process
are electrically isolated from one another and are
controlled independently. The welding arcs work
together, generally separated by less than 0.50 inches,
in the same weld pool. The independent control of the
two welding arcs is used to control the thermal and
fluid dynamics of the weld pool to further enhance
welding performance. The added deposit rate achieved
by the dual wire delivery and the added weld pool
control is used to overcome single wire limitations to
produce high travel speeds and electrode melt-off
rates (weld metal deposition). Special power source
welding software is used to allow the two welding arcs
to operate in unison.
One
Welding Torch
Two
Power Sources
Two Separate
Welding Arcs
Shielding Gas
One Weld Pool
Two Wire Feeders
Tandem MIG Configuration
What Is It?