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- Kraft 20W vs L8 40W
AtomStack Kraft 20W vs Genmitsu L8 40W
What Kraft 20W does better (5) and where L8 40W wins (4) — every spec side by side.
Dimensions
Size comparison
Kraft 20WL8 40W
| Kraft 20W | L8 40W | Difference | |
|---|---|---|---|
| Height | 261 mm | 261 mm | = |
| Width | 791 mm | 715 mm | +76 mm |
| Depth | 610 mm | 621 mm | −11 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Kraft 20W better than L8 40W?
- Laser spot size0.03 mm vs 0.13 mm4.3×
- Autofocus / auto heightYes · L8 40W: No
- Two laser sourcesYes · L8 40W: No
- Flame / fire detectionYes · L8 40W: No
- Work area width (X)498 mm vs 400 mm+25%
Why is L8 40W better than Kraft 20W?
- Laser output power20 W vs 40 W2×
- Positioning accuracy0.03 mm vs 0.01 mm3×
- Max engraving / travel speed600 mm/s vs 667 mm/s+11%
- Work area depth (Y)320 mm vs 400 mm+25%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm), Infrared diode (1064 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | Yes | No |
| Wavelength | 1,064 nm | 455 nm |
| Laser power | ||
| Laser output power | 20 W | 40 W |
| Second laser output power | 1.2 W | — |
| Work area | ||
| Work area | 498 × 320 mm | 400 × 400 mm |
| Work area width (X) | 498 mm | 400 mm |
| Work area depth (Y) | 320 mm | 400 mm |
| Work area (surface) | 1,594 cm² | 1,600 cm² |
| Conveyor / roll feeder support | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 600 mm/s | 667 mm/s |
| Max cutting depth – wood / plywood (one pass) | 18 mm | — |
| Max cutting depth – acrylic | 5 mm | — |
| Precision | ||
| Laser spot size | 0.03 mm | 0.13 mm |
| Positioning accuracy | 0.03 mm | 0.01 mm |
| Safety | ||
| Enclosed (fully covered) | Yes | Yes |
| Laser safety class | Class 1 (eye-safe, enclosed) | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | Yes | No |
| Emergency stop button | Yes | — |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | Yes | Yes |
| Autofocus / auto height | Yes | No |
| Rotary attachment support | Yes | Yes |
| Offline engraving (no computer) | Yes | — |
| Connectivity & software | ||
| Connections | USB, Wi-Fi | Wi-Fi |
| Wi-Fi | Yes | Yes |
| USB | Yes | Yes |
| SD / TF card | Yes | — |
| Compatible software | LightBurn, AtomStack Studio | LightBurn |
| LightBurn compatible | Yes | Yes |
| File formats | — | JPG, BMP, PNG, GIF, DXF, PLT, HPGL |
| Size & power | ||
| Width | 791 mm | 715 mm |
| Depth | 610 mm | 621 mm |
| Height | 261 mm | 261 mm |
| Weight | 23.6 kg | — |
| Rated power consumption | — | 240 W |
