Small U-Type Double Axis Tilt Welding Positioner for 100-300kg Fixtures The GBS-02-U100 and U200 and U300 are compact 100-300kg double axis positioners built for robot cells where the part is light but the weld geometry is not simple. The U-shaped frame carries a table that tilts through 0-360° and rotates through 0-360°, so a small fabrication can be presented to the torch at the angle that gives the best penetration instead of being re-clamped by hand. Positioning accuracy