Sisma LM-B 180 and 210 Laser Welders

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Special Order Item
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.
Sisma offers a range of laser welders engineered specifically for the repair and maintenance of molds. The range includes the best-selling SWA series for all mold sizes, the SWT series for medium and small molds, and the LM-B series for small molds. Sisma laser welders are used in premier mold & die shops around the world, carrying an excellent reputation for the highest precision and ease of use. All are made at Sisma’s headquarters in Italy, and are backed by a 1-year manufacturer’s warranty.

Sisma’s High precision Nd:Yag laser Class 4 welding system the LM-B, is specifically designed for mold repairing. Featured characteristics are easiness of use, reduced maintenance and smooth axis. The LM-B uses a working motorized table with X-Y-Z axes complete with joystick. View work pieces easily with the 10X stereo microscope with optical protection.


  • Smart Spot technology: great depth of field and stable laser shot starting from the first pulses. For a repeatable welding process.
  • ECO mode that switches off unused system components during idle times, thus guaranteeing lower power consumption
  • USB and Ethernet conn: for easy download/upload of welding programs, software and firmware updates and remote control through smartphone, tablet or computer
  • Full digital control: accurate diagnostics, higher pulse stability and longer lamp life.
  • Quick setting of welding parameters by means of the multifunctional mouse

Two-year warranty including the flash lamp.

Find these items on these pages in our catalog:
  • 564
    180 LM-B 210 LM-B
    Item Number: 830-1730 830-1735
    Source Type: Nd: YAG (flash lamp) Nd: YAG (flash lamp)
    Wavelength: 1064 nm 1064 nm
    Average laser power (max): 80 W 85 W
    Peak laser power (max): 9 kW 10.5 kW
    Laser pulse energy (max): 180 J (at 20 ms) 210 J (at 20 ms)
    Laser pulse duration: 0.3 ms - 20 ms 0.3 ms - 20 ms
    Spot diameter (with 800 um fiber): 0.2+2 mm (0.1 mm opt.) 0.2+2 mm (0.1 mm opt.)
    X-Y axes stroke: 150 x 150 mm 150 x 150 mm
    Z axis stroke: 175 mm 175 mm
    Axes speed: 0.1 - 15 mm/s 0.1 - 15 mm/s
    Incorporated cooling: Water-air cooling system Water-air cooling system
    SWT system power supply: 230V±10%, 1PH, 50/60 Hz 230V±10%, 1PH, 50/60 Hz
    Max mold size: 300 x 300 mm (12" x 12") 300 x 300 mm (12" x 12")
    Max Workpiece Weight: 25 kg (56 lbs) 25 kg (56 lbs)
    Dimensions w x d x h: 698 x 801 x 1465 mm (2-1/2' x 3' x 5') 698 x 801 x 1465 mm (2-1/2' x 3' x 5')
    Net/Shipping weight: 110 kg (243 lbs.) / 200 kg (441 lbs) 110 kg (243 lbs.) / 200 kg (441 lbs)
    Warranty: Two-year warranty including the flash lamp Two-year warranty including the flash lamp