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- Alpha MK2 Extended 40W vs Kraft Lite 40W
Algolaser Alpha MK2 Extended 40W vs AtomStack Kraft Lite 40W
What Alpha MK2 Extended 40W does better (2) and where Kraft Lite 40W wins (5) — every spec side by side.
vs
9.0Power & cutting7.2
7.0Work area7.1
6.0Safety9.2
8.2Features & ease of use9.8
Why is Alpha MK2 Extended 40W better than Kraft Lite 40W?
- Weight8.4 kg vs 23.6 kg2.8×
- Work area depth (Y)386 mm vs 320 mm+21%
Why is Kraft Lite 40W better than Alpha MK2 Extended 40W?
- Enclosed (fully covered)No · Alpha MK2 Extended 40W: Yes
- Autofocus / auto heightNo · Alpha MK2 Extended 40W: Yes
- Work area (surface)1,544 cm² vs 1,594 cm²+3%
- Flame / fire detectionNo · Alpha MK2 Extended 40W: Yes
- Work area width (X)400 mm vs 498 mm+25%
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 | No |
| Wavelength | 450 nm | — |
| Laser power | ||
| Laser output power | 40 W | 40 W |
| Second laser output power | — | 1.2 W |
| Work area | ||
| Work area | 400 × 386 mm | 498 × 320 mm |
| Work area width (X) | 400 mm | 498 mm |
| Work area depth (Y) | 386 mm | 320 mm |
| Work area (surface) | 1,544 cm² | 1,594 cm² |
| Conveyor / roll feeder support | — | Yes |
| Work-area extension kit | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 333 mm/s | — |
| Max cutting depth – wood / plywood (one pass) | — | 18 mm |
| Max cutting depth – acrylic | — | 5 mm |
| Precision | ||
| Laser spot size | 0.175 mm | — |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | No | Yes |
| Emergency stop button | Yes | Yes |
| Built-in fume filter / purifier | Yes | — |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | Yes | Yes |
| Autofocus / auto height | No | Yes |
| Rotary attachment support | Yes | — |
| Offline engraving (no computer) | Yes | — |
| Connectivity & software | ||
| Compatible software | LightBurn, LaserGRBL | — |
| LightBurn compatible | Yes | — |
| Size & power | ||
| Width | 692 mm | — |
| Depth | 585 mm | — |
| Height | 200 mm | — |
| Weight | 8.4 kg | 23.6 kg |
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