Lizard Portable Welding Carriage

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Lizard Portable Welding Carriage



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Programmable Fillet Welding Carriage

The Trademaster Lizard is a heavy duty European made portable welding carriage designed to produce consistently high quality welds.
The Lizard features programmable welding patterns and parameters, and an optional oscillating attachment is available.
The unit enables weld bead geometry that is exact to the required specifications, thus substantially reducing costs.


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Versatility of applications including out-of-position use:

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Primary features and benefits:

  • Simple to use multifunction LED display for programming welding patterns & parameters including travel speed, weld length, skip length, total length, reverse fill & crater fill time. These settings can be saved, & up to 40 different programs can be stored.
  • Continuous and stitch weld capability
  • Compact & lightweight design with durable cast aluminum housing
  • Permanent magnet clamping system with on/off lever ensures positive magnetic traction
  • Maintenance free 4-wheel drive with worm gear reduction
  • Friction drive and control loop feedback mechanism provides speed stabilisation in all positions, to reduce weld defects
  • Automatic off limit switches on both ends of machine
  • Automatic ARC ON/OFF system initiates welding and travel, simultaneously
  • Quick clamping torch holder mechanism for different types of MIG/MAG torches with diameters of 16 – 22mm (5/8″ – 7/8″); optionally up to 35mm (1-3/8″)
  • Precise torch adjustment with screw drive cross slide
  • Consistent heat input reduces distortion
  • Self-guiding roller arms eliminate the need for track
  • Improves working environment – removes operator from heat and fumes

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Power supply 115-230VAC / 50-60Hz
Welding positions Vertical / Horiziontal
Chassis to material clearance 5mm
Travel mechanism Friction Drive With Worm Gear Reduction, 4 Wheel Drive, Heat Resistant Silicone Wheels
Tracking method 2-Guide Rollers
Torch adjustment Up-Down 35mm, Left-Right 35mm
Gear roller adjustment 75mm
Horizontal speed 0-1200mm/min
Vertical speed 0-1100mm/min
Dimensions 282mm (L) x 272mm (W) x 390mm (H)
Weight 13.5kg



  • Trailer manufacturing
  • Truck tanks
  • Oil tanks
  • Water storage tanks
  • Transformers
  • Shipyards
  • Any application demanding stitch or a long, continuous fillet weld


Package Includes:

  • Welding carriage
  • Power lead
  • Arc ignition cable
  • Cable holder
  • Torch holder
  • Lower torch holder
  • 4 mm Allen key
  • Operator’s manual


Oscillation Attachment:
A critical optional feature of the LIZARD is the oscillation attachment. This attachment significantly increases the functionality of the Lizard welding carriage by allowing it to operate in most out of position applications. The oscillator features precise control of weave width, weave speed and dwell times.

  • Oscillation type: Angular max 11°
  • Amplitude R – 150mm : 2 – 30mm
  • Frequency: 12 – 115 cycles/min
  • Delay at ends: 0 – 3 secs
  • Weight: 2.5kg
  • Part# WAP-L4000
Oscillation type pendulum (0°–11°)
Oscillation (weaving) pattern trapezoid, triangle, c-type straight line
Oscillation width 1-30mm (1–100%) at r=150 mm (5.9”)
Oscillation speed 100–2200 mm/min (1-100%) at r=150 mm (5.9”)
Oscillation delay time 0-5 s (at external points)
Power 12W
Weight 2kg (4 lbs)


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