Application industry：
1. Aohua laser jewelry spot welding machine series products are specially designed for electronic industry and jewelry industry, which can be used for gold and silver jewelry, electronic components hole repair, spot welding sand hole, welding inlay, etc.
2. It is suitable for stainless steel, copper, gold, silver, K gold and other metals and alloys.
3. Mainly used in jewelry, electronic components, communications, handicrafts and other industries.
Product advantages：
1. This series of products adopt ergonomic design and are produced with international top accessories. The whole machine is more reliable and durable.
2. Small size, can be placed on the desktop, easy to carry.
3. Easy operation, good welding effect, stable equipment and low failure rate.
4. Special microscope observation system with cross cursor and high speed electronic filter to protect operator's eyes.
| Model | AHL-W75 | AHL-W90 | AHL-W220 |
| Max laser power | 75W | 90W | 220W |
| Laser wavelength | 1064nm | 1064nm | 1064nm |
| Max monopulse power | 50J | 70J | 90J |
| Pulse width | 0.2-10ms | 0.2-10ms | 0.2-10ms |
| Continuious welding frequency | 0.5-20Hz | 0.5-20Hz | 0.5-20Hz |
| Facula size adjustable range | 0.2-2mm | 0.2-2mm | 0.2-2mm |
| Control system | micro-computer | ||
| Max consumption | ≤4KW | ≤6KW | ≤9KW |
| Power supply | 220V±10%/50Hz/30A | ||