LongerDiode laser engraver
Longer B1 20W
Longer B1 20W is a diode laser engraver released in 2023. Key specs: laser sources Blue diode (≈455 nm), laser output power 20 W, work area 450 × 440 mm, max engraving / travel speed 600 mm/s.
8.1Score
Power & cutting8.1
Speed8.0
Precision4.4
Work area8.9
Safety3.2
Features & ease of use3.5
price rangeUS$430–530
- Year
- 2023
- Brand
Longer- Popularity
- #44 of 406
Blue diode (≈455 nm)Laser sources
20 WLaser output power
450 × 440 mmWork area
600 mm/sMax engraving / travel speed
0.1 mmLaser spot size
25 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) · 25 mmTop 17%
Compared with diode laser engravers released in 2023. Bars show the share of models it beats.
compared with other diode laser engravers
Why is B1 20W a good choice?
Work area (surface): 1,980 cm²better than 88% of diode laser engravers
Max cutting depth – wood / plywood (one pass): 25 mmbetter than 80% 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
Specifications
Full specifications
Laser power
- Laser output power
- 20 W
Work area
- Work area
- 450 × 440 mm
- Work area width (X)
- 450 mm
- Work area depth (Y)
- 440 mm
- Work area (surface)
- 1,980 cm²
- Work-area extension kit
- Yes
Speed & cutting
- Max engraving / travel speed
- 600 mm/s
- Max cutting depth – wood / plywood (one pass)
- 25 mm
Precision
- Laser spot size
- 0.1 mm
Safety
- Enclosed (fully covered)
- No
- Flame / fire detection
- No
Features
- Air assist
- No
- Built-in camera
- No
- Autofocus / auto height
- No
- Rotary attachment support
- Yes
- Touchscreen / control panel
- Yes
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
Compare
Compare B1 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 — 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/s56Diode laser engravers: Work area (surface) from 1,600 cm²59Laser engravers & CNC machines — Laser sources: Blue diode (≈455 nm) + work area (surface) from 1,600 cm²60Laser engravers & CNC machines — Max engraving / travel speed from 600 mm/s + Motion system: Gantry (XY rails)63Diode laser engravers: Max engraving / travel speed from 400 mm/s64
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