- Processing Talk
- Compare
- P3 48W vs Kraft 20W
Acmer P3 48W vs AtomStack Kraft 20W
What P3 48W does better (2) and where Kraft 20W wins (5) — every spec side by side.
Why is P3 48W better than Kraft 20W?
- Laser output power48 W vs 20 W2.4×
- Max engraving / travel speed800 mm/s vs 600 mm/s+33%
Why is Kraft 20W better than P3 48W?
- Laser spot size0.1 mm vs 0.03 mm3.3×
- Air assistNo · P3 48W: Yes
- Autofocus / auto heightNo · P3 48W: Yes
- Two laser sourcesNo · P3 48W: Yes
- Flame / fire detectionNo · P3 48W: Yes
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm), Infrared diode (1064 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | Yes |
| Wavelength | — | 1,064 nm |
| Laser power | ||
| Laser output power | 48 W | 20 W |
| Second laser output power | — | 1.2 W |
| Work area | ||
| Work area | — | 498 × 320 mm |
| Work area width (X) | — | 498 mm |
| Work area depth (Y) | — | 320 mm |
| Work area (surface) | — | 1,594 cm² |
| Conveyor / roll feeder support | Yes | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | 800 mm/s | 600 mm/s |
| Max cutting depth – wood / plywood (one pass) | — | 18 mm |
| Max cutting depth – acrylic | — | 5 mm |
| Precision | ||
| Laser spot size | 0.1 mm | 0.03 mm |
| Positioning accuracy | — | 0.03 mm |
| Safety | ||
| Enclosed (fully covered) | Yes | Yes |
| Laser safety class | Class 1 (eye-safe, enclosed) | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | No | Yes |
| Emergency stop button | — | Yes |
| Exhaust fan | Yes | — |
| Features | ||
| Air assist | No | Yes |
| Built-in camera | Yes | Yes |
| Autofocus / auto height | No | Yes |
| Rotary attachment support | Yes | Yes |
| Offline engraving (no computer) | — | Yes |
| Connectivity & software | ||
| Connections | — | USB, Wi-Fi |
| Wi-Fi | — | Yes |
| USB | — | Yes |
| SD / TF card | — | Yes |
| Compatible software | LightBurn | LightBurn, AtomStack Studio |
| LightBurn compatible | Yes | Yes |
| File formats | JPG, PNG, BMP, GIF, SVG | — |
| Size & power | ||
| Width | — | 791 mm |
| Depth | — | 610 mm |
| Height | — | 261 mm |
| Weight | — | 23.6 kg |
