Setting s1 — Mild Steel / Rust on YLPN-2000
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# Setting s1 — Mild Steel / Rust Removal on IPG YLPN-2000
Here's the **manufacturer-approved** recipe from our verified database for rust cleaning on mild steel using the **IPG Photonics YLPN-2000 (2000W)** [S:s1]:
## ⚙️ **Recommended Parameters**
| Parameter | Value |
|-----------|-------|
| **Power** | 85% (1700W effective) |
| **Frequency** | 200 kHz |
| **Pulse Duration** | 120 ns |
| **Scan Speed** | 4500 mm/s |
| **Line Spacing** | 0.08 mm |
| **Spot Size** | 0.12 mm |
| **Focal Distance** | 180 mm |
| **Gas** | N/A (air is fine for cleaning) |
## 📝 **Important Notes**
- **Two passes recommended** with slight overlap for thorough rust removal [S:s1]
- **Always test first** on a 1 cm² patch in an inconspicuous area
- Adjust power in **5% increments** if needed based on rust thickness
- Ensure proper **fume extraction** (HEPA + carbon filter) — rust oxide particles are fine and harmful
## 🛡️ **Safety Reminders**
- Wear **OD 7+ laser safety glasses** rated for 1070 nm
- Use **Class 4 enclosure** or laser curtains
- Never bypass interlocks
- Keep work area clear of flammable materials
**Need help optimizing or troubleshooting? Just ask!**