Inside the LM-B working chamber with lighting, flexible nozzles and welding head
Automatic laser welding
SISMA LM-B/LM-C
Semi-automatic and automatic Nd:YAG laser welding systems, 180 and 210
SISMA LM-B/LM-C are semi-automatic and automatic laser welding systems for small parts, with flash-lamp Nd:YAG sources, three motorized axes and an optional spindle for medical, jewelry and mold repair work.
Manufactured bySISMA
180 / 210 JPulse energy at 25 ms, 180 / 210
3 axesMotorized, with optional spindle
300×300×270Max piece size, mm (H 270)
25 kgMaximum load weight
0.2–2 mmSpot diameter (0.1 mm optional)
Overview
Automatic welding of small parts
SISMA LM-B and LM-C are semi-automatic and automatic laser welding systems for small parts. The LM-C is aimed at medical and jewelry work, and both machines are used for repairing molds.
Both use flash-lamp Nd:YAG lasers at 1064 nm, which give a wide depth of field and stable firing from the first pulses, while Smart Spot technology keeps the weld quality consistent. Two power levels are offered: 180, with 80 W average power, 9 kW peak power and 180 J, and 210, with 85 W, 10.5 kW and 210 J.
Three motorized axes with strokes of 150 x 150 x 175 mm and an optional spindle give precision and repeatability. The operator can switch between automatic and manual operation, and SISMA software handles linear and circular welding paths, recipe management and power modulation at the start and end of the weld.
The machine top rotates for easier loading. The LM-C offers manual or programmable CNC axis movement, and a vision version with Syncro View is available.
Applications
Medical, jewelry and mold work
The official page names three main fields of use for the LM-B and LM-C.
Small rose gold horn-shaped pendant with a welded cap on a white surface
Medical tubes
LM-B with spindle welds tubes for endoscopy, arthroscopy and complex surgical instruments.
Jewelry
LM-C for complex jewelry work where the look of the weld seam matters most.
Mold repair
Laser welding repairs on molds.
Round parts on the spindle
Welding round parts held in the optional rotating spindle.
Features
Machine features
- Flash-lamp Nd:YAG laser source at 1064 nm
- Three motorized axes with optional rotating spindle
- Switch between automatic and manual operation
- Software for linear and circular welding paths and recipe management
- Power modulation at the start and end of each weld
- Rotating machine top for easier loading
- Smart Spot technology for consistent weld quality
- Vision version with Syncro View
Benefits
What it brings to production
Sturdy structure keeps the process stable
Usable by operators who are not laser specialists
Handles different part types, processes and materials
Precision and repeatability from the motorized axes
Welding small parts in series?
Share your parts, materials and weld requirements, and our Machinery team will help you select the right SISMA LM-B or LM-C.
Other Products in Laser Welding Systems
Explore other products available within the same product category and open each page for complete technical details.
SISMA LM-D
Desktop manual Nd:YAG laser welder, LM-D 230 and 260, for precious-metal jewelry and fine industrial parts.
SISMA LM
Standalone manual Nd:YAG laser welder, LM 230 and LM 300, with NanoSpot and Velvet Spot on a height-adjustable base.
SISMA SWT
Laser welding system for repairing transportable moulds up to 120 kg, with up to 4 axes and Nd:YAG or fibre sources.
SISMA SWA F
Semi-automatic 450 W fibre laser welder on wheels for repairing large moulds that are too heavy to move.
SISMA SWS
CNC laser welding station with 3 or 4 interpolated axes and 150 to 450 W fiber sources for tubular and series parts.
SISMA SL 35/50/80
Pulsed Nd:YAG flash-lamp laser sources SL 35, SL 50 and SL 80 for automatic welding, in PLUS and GO versions.
SISMA SL 150/300
Pulsed Nd:YAG flash-lamp laser sources with 150 W or 300 W average power for automatic welding at high speed.