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GMAW Laser Welding Robot MIG Welds Two Heavy Metal Plates


Located in Quebec, Novika Solutions in a non-profit organization that works with industrial partners to help improve their competitiveness. This video highlights a robotic laser welding system developed by Novika Solutions. The system features a FANUC R-2000iB/165F laser-welding robot, and a Precitec YW-50 laser welding head with Servo-Robot Quanta LF Seam Tracker. The wire feed system is a Lincoln Power Feed 10R, while the power source is from the Lincoln Electric Power Wave 655R.


For the welding of two heavy metal plates, the starting gap is at 0 millimeters, and the ending gap is at 1.9 millimeters. This hybrid process involves laser welding that forms a keyhole, allowing the GMAW welding process to achieve higher deposition rates. The operator loads the two halves of the heavy plates into the fixture. These plates are 12.7 millimeters, or exactly half of an inch thick. 

Once the parts are in place and the cycle is started, the servo robot sensor scans the joint location and gap: Notice the robot's slight movements at the start. The laser beam location is then adjusted to the gap condition, and the MIG welding process starts simultaneously. During the weld the servo robot sensor tracks the weld joint, allowing the robot to adjust to changes in the size of the weld joint.

The operator unloads and flips the part to display the complete penetration of the weld. The back side of the welded plates shows the high quality of the weld. These three cross-sections are the start, middle and end of the weld.

Next, we see a display of the servo robot sensor data. This data provides adaptive parameters for the laser and GMAW welding process. This shows how the robots welds are adaptive to variations in the part through the use of the servo robot sensor. A section of the completed part with variations in the weld width are examined close up. This again illustrates the excellent weld quality with 100% penetration.

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FANUC R-2000iB Robot

  • The slim arm of the R-2000iB and compact footprint allows for increased robot density, increasing throughput.
  • Compact size and ability to flip over and work behind itself maximizes flexibility for work cell design, and saves valuable floor space.
  • Large allowable wrist moments and inertias meet a variety of heavy handling challenges.
  • Non-rotating forearm simplifies hose and cable dressout increasing service life.
  • Proven, reliable FANUC servo drives provide highest uptime and productivity.
  • High-performance motion yields fast cycle times and high throughput.
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