- Processing Talk
- Compare
- K1 7W vs Ray7 7.5W
Acmer K1 7W vs Longer Ray7 7.5W
What K1 7W does better (2) and where Ray7 7.5W wins (7) — every spec side by side.
Why is K1 7W better than Ray7 7.5W?
- Enclosed (fully covered)Yes · Ray7 7.5W: No
- Positioning accuracy0.04 mm vs 0.06 mm+50%
Why is Ray7 7.5W better than K1 7W?
- Work area (surface)225 cm² vs 946 cm²4.2×
- Max engraving / travel speed167 mm/s vs 600 mm/s3.6×
- Air assistNo · K1 7W: Yes
- Laser output power7 W vs 7.5 W+7%
- Work area depth (Y)150 mm vs 310 mm2.1×
- Work area width (X)150 mm vs 305 mm2×
- Flame / fire detectionNo · K1 7W: Yes
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 | 7 W | 7.5 W |
| Work area | ||
| Work area | 150 × 150 mm | 305 × 310 mm |
| Work area width (X) | 150 mm | 305 mm |
| Work area depth (Y) | 150 mm | 310 mm |
| Work area (surface) | 225 cm² | 946 cm² |
| Speed & cutting | ||
| Max engraving / travel speed | 167 mm/s | 600 mm/s |
| Precision | ||
| Laser spot size | — | 0.06 mm |
| Positioning accuracy | 0.04 mm | 0.06 mm |
| Safety | ||
| Enclosed (fully covered) | Yes | No |
| Flame / fire detection | No | Yes |
| Emergency stop button | — | Yes |
| Features | ||
| Air assist | No | Yes |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Offline engraving (no computer) | — | Yes |
| Connectivity & software | ||
| Connections | — | Wi-Fi |
| Wi-Fi | — | Yes |
| Compatible software | LightBurn | — |
| LightBurn compatible | Yes | — |
| Size & power | ||
| Width | 286 mm | — |
| Depth | 273 mm | — |
| Height | 190 mm | — |
| Weight | 2.4 kg | — |









