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  3. SM 50W vs Lumos Flex 15W

Acmer SM 50W vs WeCreat Lumos Flex 15W

What SM 50W does better (4) and where Lumos Flex 15W wins (3) — every spec side by side.

Acmer SM 50W
Acmer · 2025SM 50W
5.3Score
4 advantages≈ US$2,700
Higher score
vs
WeCreat Lumos Flex 15W
WeCreat · 2026Lumos Flex 15W
4.6Score
3 advantages≈ US$2,500
5.5Power & cutting2.0
4.9Speed4.9
5.1Work area4.0
4.7Safety8.6
5.6Features & ease of use9.8

Why is SM 50W better than Lumos Flex 15W?

  1. Laser output power50 W vs 15 W3.3×
  2. Work area (surface)225 cm² vs 135 cm²+67%
  3. Work area width (X)150 mm vs 116 mm+29%
  4. Work area depth (Y)150 mm vs 116 mm+29%

Why is Lumos Flex 15W better than SM 50W?

  1. Enclosed (fully covered)No · SM 50W: Yes
  2. Built-in cameraNo · SM 50W: Yes
  3. Two laser sourcesNo · SM 50W: Yes
Specifications

Side by side

Acmer SM 50WAcmer SM 50W≈ US$2,7005.3
WeCreat Lumos Flex 15WWeCreat Lumos Flex 15W≈ US$2,5004.6
General
Laser sourcesFibre (1064 nm)Fibre (1064 nm), Blue diode (≈455 nm)
Motion systemGalvo (scanning mirrors)Galvo (scanning mirrors)
Two laser sourcesNoYes
MOPA fibre source (adjustable pulse)Yes—
Wavelength1,064 nm—
Laser power
Laser output power50 W15 W
Work area
Work area150 × 150 mm116 × 116 mm
Work area width (X)150 mm116 mm
Work area depth (Y)150 mm116 mm
Work area (surface)225 cm²135 cm²
Max workpiece height—100 mm
Speed & cutting
Max engraving / travel speed10,000 mm/s10,000 mm/s
Precision
Laser spot size—0.1 mm
Positioning accuracy—0.1 mm
Safety
Enclosed (fully covered)NoYes
Emergency stop button—Yes
Features
Built-in cameraNoYes
Autofocus / auto heightYesYes
Rotary attachment supportYesYes
Connectivity & software
Compatible softwareLightBurn—
LightBurn compatibleYes—
Size & power
Width—242 mm
Depth—268 mm
Height—350 mm
Weight—3.1 kg
Rated power consumption—168 W
Input voltage—100–240 V

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