SculpfunDiode laser engraver
Sculpfun SF-A9 20W
Sculpfun SF-A9 20W is a diode laser engraver released in 2023. Key specs: laser sources Blue diode (≈455 nm), laser output power 20 W, work area 400 × 400 mm, max engraving / travel speed 600 mm/s.
8.4Score
Power & cutting8.1
Speed8.0
Precision5.0
Work area7.7
Safety7.1
Features & ease of use7.4
price rangeUS$440–550
- Year
- 2023
- Brand
Sculpfun- Popularity
- #310 of 406
Blue diode (≈455 nm)Laser sources
20 WLaser output power
400 × 400 mmWork area
600 mm/sMax engraving / travel speed
0.1 mmLaser spot size
20 mmMax cutting depth – wood / plywood (one pass)
NoEnclosed (fully covered)
Spec guide
How it ranks among diode laser engravers of 2023
Laser output power · 20 WBottom 45%
Max engraving / travel speed · 600 mm/sTop 47%
Laser spot size · 0.1 mmBottom 30%
Max cutting depth – wood / plywood (one pass) · 20 mmTop 32%
Compared with diode laser engravers released in 2023. Bars show the share of models it beats.
compared with other diode laser engravers
Why is SF-A9 20W a good choice?
Work area (surface): 1,600 cm²better than 72% of diode laser engravers
Laser output power: 20 Wbetter than 70% of diode laser engravers
Max engraving / travel speed: 600 mm/sbetter than 76% of diode laser engravers
Max cutting depth – wood / plywood (one pass): 20 mmbetter than 71% of diode laser engravers
Specifications
Full specifications
General
- Motion system
- Gantry (XY rails)
- Two laser sources
- No
- Wavelength
- 450 nm
Laser power
- Laser output power
- 20 W
Work area
- Work area
- 400 × 400 mm
- Work area width (X)
- 400 mm
- Work area depth (Y)
- 400 mm
- Work area (surface)
- 1,600 cm²
Speed & cutting
- Max engraving / travel speed
- 600 mm/s
- Max cutting depth – wood / plywood (one pass)
- 20 mm
Precision
- Laser spot size
- 0.1 mm
- Linear rails
- Yes
Safety
- Enclosed (fully covered)
- No
- Flame / fire detection
- Yes
- Emergency stop button
- Yes
- Tilt / movement sensor
- Yes
Features
- Air assist
- Yes
- Built-in camera
- No
- Autofocus / auto height
- No
- Rotary attachment support
- Yes
Connectivity & software
- Connections
- USB, Wi-Fi, Bluetooth
- Wi-Fi
- Yes
- USB
- Yes
- Bluetooth
- Yes
- LightBurn compatible
- Yes
Size & power
- Width
- 606 mm
- Depth
- 665 mm
- Height
- 110 mm
- Weight
- 6.2 kg
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
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Compare SF-A9 20W with
In collections
Diode laser engravers: Max engraving / travel speed from 600 mm/s42Laser engravers & CNC machines: Work area (surface) from 1,600 cm² + max engraving / travel speed from 600 mm/s42Laser engravers & CNC machines: Max engraving / travel speed from 600 mm/s + air assist43Laser engravers & CNC machines: Work area (surface) from 1,600 cm² + Wi-Fi50Laser engravers & CNC machines — Laser sources: Blue diode (≈455 nm) + max engraving / travel speed from 600 mm/s53Laser engravers & CNC machines: Work area (surface) from 1,600 cm² + max engraving / travel speed from 400 mm/s56Laser engravers & CNC machines: Max engraving / travel speed from 600 mm/s + Wi-Fi58Diode laser engravers: Work area (surface) from 1,600 cm²59
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