Sisma SWT 100 and SWT 150 Mold Repair Laser Welder (Class 4)

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Special Order Item
Because of the dimensions of this item it cannot ship via UPS or Fed Ex and must be shipped by truck. We will contact you prior to shipment to arrange delivery and payment for shipping.

SWT Class 4 welding laser systems are specifically designed for the maintenance of small/medium-sized molds up to 400mm square (approx. 15.75" square). The robust design and sturdy working table allows the operator to work in outstanding comfort and with minimal vibration. Characterized by a high capacity and axis stroke, the systems have a direct resonator with 3 motorized axes X-Y-Z which are controlled by a joystick. The system contains an optical head with F150 focal lens and a 10X STEREO microscope.

The system's ergonomic features allow prolonged or occasional use. The movement of the axes has been designed to ensure durability over time as well as fluid and precise machining. Internet connection for easy check and/or remote service assistance. In/out input of data through a USB key. SWT is also available in a Class 1 closed system. See related products below.


  • Advanced software functions such as welding on circumference, line, filling, and rotating spindle management
  • High laser beam quality: new optical design ensures high performance
  • Available with fiber laser source: maintenance free and low power consumption
  • Internet connection for remote control
  • Ergonomic design
  • Heavy duty machinery, fluid and precise movements over the high carrying capacity and high axes stroke.
  • Safety features include proper functioning verification and control.
Find these items on these pages in our catalog:
  • NEW
    SWT 100 - Class 4 SWT 150 - Class 4
    Item Number: 830-1720 830-1725
    Source Type: Nd: YAG (flash lamp) Nd: YAG (flash lamp)
    Wavelength: 1064 nm 1064 nm
    Average laser power (max): 100 W 150 W
    Peak laser power (max): 7.5 kW 10.5 kW
    Laser pulse energy (max): 60 J 75 J
    Laser pulse duration: 0.2 ms - 20 ms 0.2 ms - 20 ms
    Spot diameter (with 800 um fiber): 0.3 - 2 mm 0.3 - 2 mm
    X-Y axes stroke: 300 x 200 mm 300 x 200 mm
    Z axis stroke: 320 mm 320 mm
    Axes speed: 0.1 - 25 mm/s 0.1 - 25 mm/s
     Laser Beam Transport  Direct Resonator  Direct Resonator
    Incorporated cooling: Air cooling / Water cooling is integrated. Air cooling / Water cooling is integrated.
     Laser absorbed current (max)  6A  7A
    SWT system power supply: 400V±10%, 3PH, 50/60 Hz 400V±10%, 3PH, 50/60 Hz
     Noise Level:  <60 dBA  < 60 dBA
    Max mold size: 400 x 400 mm (15-3/4" x 15-3/4") 400 x 400 mm (15-3/4" x 15-3/4")
    Max Workpiece Weight: 70 kg (155 lbs) 70 kg (155 lbs)
    Dimensions w x d x h: 85 x 120 x 150 cm (2-3/4' x 4' x 5') 85 x 120 x 150 cm (2-3/4' x 4' x 5')
    Unit weight: 530 kg (1169 lbs) 530 kg (1169 lbs)
     Shipping weight:  706kg (1557 lbs)  706kg (1557 lbs)
    Warranty: One-Year Manufacturer's Warranty One-Year Manufacturer's Warranty
    Made In: Italy Italy