SigmaTouch 144” Seam Welder

The SigmaTouch 144″ Combo Seam Welder is designed to perform precision longitudinal welds. Seam alignment gauges allow for easy and precise part loading. Furthermore, this unit features a bolt-on base. Therefore, risers can be added to accommodate larger diameter parts. SigmaTouch also offers a line of weld sequence controllers that give the operator the ability to adjust parameters from a single location. Furthermore, the combination style bed allows for bother internal and external longitudinal welds. We also offer installation of MillerLincolnFronius, and K-Tig welding packages!

photo of a SigmaTouch 144
photo of a SigmaTouch 144
photo of a SigmaTouch 144
photo of a SigmaTouch 144
photo of the SigmaTouch automation control display screen and buttons

Product Features

  • Combo seam welder allows for both internal and external welding
  • 144” welding length plus 3” overtravel at each end for run-on/ run-off tabs
  • Minimum part diameter of 11” (External)
  • Minimum part diameter of 50″ (Internal)
  • Maximum part diameter of 36” (External)
    • Can be increased with optional risers 
  • Machined side beam with rack and pinion travel carriage 
  • Gas purged copper back up bar 
  • Water cooled mandrel 
  • Seam alignment gauges
  • Material thickness range of .020 to ⅜” 
  • 3” wide aluminum fingers with copper tips 
  • Dual foot pedal for finger clamping actuation
    • Requires a clean 90 psi input 
  • Cable management track and tray 
  • Air interlock prevents clamping when mandrel latch is open 
  • Spatter guards 
  • Input power: 115V, 1 Phase 
  • Shipping dimensions: 192-1/4”L x 34-7/16”W x 73-7/16”H
  • Approximate shipping weight: 8,500 lbs. 

Optional Accessories

  • Weld Sequence controller
  • Risers to accommodate larger vessels
  • Part hard stop
  • Pneumatic torch lifter
  • 3 gallon water circulator for mandrel
  • Pneumatic seam alignment gauges
  • Continuous copper finger tips