- Processing Talk
- Compare
- S2 20W vs Ray7 7.5W
Acmer S2 20W vs Longer Ray7 7.5W
What S2 20W does better (1) and where Ray7 7.5W wins (4) — every spec side by side.
Why is S2 20W better than Ray7 7.5W?
- Laser output power20 W vs 7.5 W2.7×
Why is Ray7 7.5W better than S2 20W?
- Max engraving / travel speed167 mm/s vs 600 mm/s3.6×
- Work area (surface)900 cm² vs 946 cm²+5%
- Flame / fire detectionNo · S2 20W: Yes
- Work area depth (Y)300 mm vs 310 mm+3%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | No |
| Laser power | ||
| Laser output power | 20 W | 7.5 W |
| Work area | ||
| Work area | 300 × 300 mm | 305 × 310 mm |
| Work area width (X) | 300 mm | 305 mm |
| Work area depth (Y) | 300 mm | 310 mm |
| Work area (surface) | 900 cm² | 946 cm² |
| Speed & cutting | ||
| Max engraving / travel speed | 167 mm/s | 600 mm/s |
| Precision | ||
| Laser spot size | 0.06 mm | 0.06 mm |
| Positioning accuracy | — | 0.06 mm |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | No | Yes |
| Emergency stop button | — | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | — |
| Offline engraving (no computer) | — | Yes |
| Connectivity & software | ||
| Connections | — | Wi-Fi |
| Wi-Fi | — | Yes |
| Compatible software | LightBurn | — |
| LightBurn compatible | Yes | — |
| Size & power | ||
| Width | 490 mm | — |
| Depth | 500 mm | — |
| Height | 195 mm | — |
