Sisma SWT 150 Mold Repair Laser Welder Demonstration Unit (Class 1)

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  Gesswein products are occasionally returned from trade shows, exhibitions or demonstrations with minor scratches, dents or other superficial damage not related to product performance. We make these products available to our customers and ensure they are tested completely prior to offering. Every used item we sell is sold "As Is" with Gesswein’s 60 Day Warranty, All Sales Final!

Demonstration Unit


Item is used but in perfect working condition. This item was used as a demonstration unit at trade shows and has no dents, scratches, dents or defects.

The SWT is specifically designed for the maintenance of medium to small sized molds up to 15.75" square (400mm). The robust design and sturdy working platform gives the operator outstanding comfort and minimal vibration. Controlled via joystick, the working platform moves up or down on the Z-axis with a range of 12.5" (320mm). The X and Y-axis movements are 11.75" and 7.75" respectively (300 x 200mm).

The ergonomic design of the SWT Class 1 (closed) is ideal for prolonged use. Soft armrests, adjustable doors, and adjustable footboard create a comfortable working environment. The stable working platform on the Class 1 minimizes any vibrations, even at the full load capacity of 264 lbs. (120kg).

Control all the welding parameters with the touch of the control screen or via joystick. The SWT features a multitude of programs and settings to help you get the job done quickly and accurately. Program features include Laser Pulse Shaping, Measuring, Overlaps, Line Paths, Fill Paths, Radius Paths, Oblique Paths and more! The memory will store up to 250 welding parameters.

Key Features:

  •  Available Open or Closed Configuration
  • Medium to Small Size Molds
  • Sturdy, Integrated Platform Minimizes Vibrations
  • Ergonomic Design for Maximum User Comfort
  • Programmable Path Settings –Overlap, Line, Radius, Oblique, Fill, Rotating Spindle and More
  • Motorized Control of X, Y, and Z Axes (via Joystick)
  • Internet Connection for Remote Service Management and Free Upgrades
Technical Data SWT 150
Item # Class 1 888-3118
Source Type: Nd: YAG (flash lamp)
Wavelength: 1064 nm
Average Laser Power: 150W
Peak Power: 10.5kW
Max Pulse Energy: 75J
Pulse Frequency: 0-50 Hz
Pulse Duration: 0.3 ms - 25 ms
Laser Spot Diameter: 0.3mm - 2mm
Axis Speed: 0.1mm/s - 20 mm/s
X Axis Stoke: 11.8" (300mm)
Y Axis Stoke: 7.9" (200mm)
Z Axis Stoke: 12.6" (320mm)
Cooling: Water & Air
Max Load Weight: 264lbs. (120kg)
Max Mold Size (LxWxH): 15.7" x 15.7" x 12.6" (400mm x 400mm x 320mm)
Power Supply: 3Ph 400V±10%, 50/60 Hz
Dimensions (LxWxH): 33" x 48" x 60" (850mm x 1200mm x x1500mm)
Weight, Class 1: 1,235lbs. (560kg)