Sisma Laser Welding LM Series
The SISMA LM Series laser welding systems are high‑precision manual Nd:YAG laser welders designed for jewellery, precision moulds, and small metal fabrication. With Smart Spot technology and ergonomic controls, they deliver consistent, repeatable welds with minimal operator fatigue and excellent pulse‑to‑pulse stability.
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Built for fine welding tasks, the LM Series combines compact design with user‑friendly interfaces, allowing operators to store up to 250 welding parameters and achieve microspot sizes down to 0.15–2 mm. Ergonomic features and optional shielding gas support enhance quality and reliability.
Sisma Laser Welding LM Series
SISMA’s LM machines deliver precision welding on metals such as gold, silver, and stainless steel, using Nd:YAG laser pulses with adjustable duration and frequency for controlled heat input. With ergonomic touch displays and optional USB/Ethernet connectivity, they are ideal for jewellery, sensor, and medical parts fabrication.
Features
Overview
| Model | LM500 | LM700P |
| Laser source type | Nd:YAG | Nd:YAG |
| Average power | 70 W | 90 W |
| Power | 1.5 KW | 2 KW |
| Peak pulse power | 7.5 KW | 10.5 KW |
| Pulse energy | 100 J | 100 J |
| Pulse duration | 0.3 – 25 ms | 0.3 – 25 ms |
| Pulse frequency | 0 – 50 Hz | 0 – 50 Hz |
| Welding spot diameter | 0.2 – 2 mm | 0.2 – 2 mm |
| Display | Color touch screen | Color touch screen |
| Illumination system | LED | LED |
| Weight and dimension | 155 kg, 520x840x1380 mm | 155 kg, 520x840x1380 mm |
