PLH3D-Series

plh3d-series

Laser Heads

PLH3D-Series were created as a series of compact and light laser heads. Their versatility allows to use them with almost all CNC machines available on the market. Due to the fact that their size and weight (70 – 220g) have been significantly reduced, they are perfect even for small and delicate mechanisms. High speed driver built inside the laser head protects it against inductance effects and allows to switch on the laser diode faster. Nevertheless, the most important thing is that the length of the wire between the power supply and laser head can reach few meters without causing any problems.

PLH3D laser heads do not require any additional cooling what makes them perfect for use in machines made of composites, wood or plastic. Thanks to specially adapted optics, the beam spot size that provides very high power density allows to cut and engrave many types of materials. PLH3D laser heads are a great substitute for CO2 lasers and can work with special engraving laminates, laser foils and many standard materials such as wood, rubber, cardboard, fabrics, leather, painted/anodized metall. 6W units are also great for stainless steel and titanium marking.

Basic specifications

PLH3D-2WPLH3D-6WPLH3D-6W-XF
PLH3D-2WPLH3D-6WPLH3D-6W-XF
Laser Diode Optical Power2 W6 W6 W
Dimensions of Laser Head (L x W x H)30 x 30 x 69 mm
(1.2 x 1.2 x 2.7 in.)
40 x 55 x 69 mm
(1.6 x 1.7 x 2.7 in.)
40 x 55 x 78 mm
(1.6 x 1.7 x 3.1 in.)
Weight of Laser Head, Typ.80 g (2.8 oz.)190 g (6.7 oz.)210 g (7.4 oz.)
Flow Rate of Fan8 m3/h (10 CFM)17 m3/h (10 CFM)43 m3/h (25 CFM)
Noise23 dBA34 dBA58 dBA
Mounting Hole Pattern2 holes, 20 mm
(0.78 in.)
4 holes, 24 x 15 mm
(0.94 x 0.59 in.)
4 holes, 24 x 15 mm
(0.94 x 0.59 in.)
Mounting Hole TypeM3 x 0.5 x 4.5 mmM3 x 0.5 x 4.5 mmM3 x 0.5 x 4.5 mm
Max Ambient Temperature40°C (104°F)40°C (104°F)45°C (113°F)
InputsAnalog 0-5 VAnalog 0-5 VAnalog 0-5 V, TTL, PWM

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Electrical specifications

PLH3D-2WPLH3D-6WPLH3D-6W-XF
Modulation Input 1Analog/TTL/PWM,
0 – 5 V
Analog/TTL/PWM,
0 – 5 V
Analog/TTL/PWM,
0 – 5 V
Modulation Input 21TTL/PWM 0 – 24V
Recommended PWM Base Frequency5 – 10 kHz5 – 10 kHz5 – 10 kHz
Max. Modulation Bandwidth30 kHz30 kHz30 kHz
Input Impedance of 1 and 2>1 k-Ω>1 k-Ω>1 k-Ω
Power Supply Unit Voltage12 V12 V12 – 24 V
12 V PSU Min. Current1.3 A2.0 A2.5 A
24 V PSU Min. Current1.25 A
Cable Length, Typ.14 cm (5.5 in.)14 cm (5.5 in.)
Wire Area, Gauge0.34 mm2 (22 AWG)0.34 mm2 (22 AWG)
Max. Power Consumption16 W25 W30 W
  1. "Laser Off" state is <2 V. "Laser On" state is 3 – 24V.

Optical specifications

2W-Series16W-Series1
High-Resolution Lens2High-Resolution Lens2High-Efficiency Lens3
Recommended Working Distance430 – 120 mm30 – 120 mm25 – 80 mm
Beam Spot Width0.07 mm0.1 mm0.1 mm
Beam Spot Height0.1 – 0.2 mm0.1 – 0.5 mm0.2 – 0.6 mm
Example Focused Beam Spot Size,
d = 80 mm (3.2”)
0.07 x 0.15 mm
(0.004” x 0.012”)
0.1 x 0.3 mm
(0.004” x 0.012”)
0.1 x 0.6 mm
(0.006” x 0.024”)
Example Focused Beam Spot Size,
d = 50 mm (2”)
0.07 x 0.1 mm
(0.004” x 0.008”)
0.1 x 0.25 mm
(0.004” x 0.008”)
0.15 x 0.5 mm
(0.006” x 0.020”)
  1. Specifications customizable for OEM customers on request.
  2. The High Resolution Lens is a three-element lens, f = 8 mm. This lens is recommended for applications requiring a more circular beam spot, higher power density or medium to long working distance.
  3. The High Efficiency Lens is an aspheric lens, f = 4 mm. This lens is recommended for applications requiring a higher power when it is practical to use a shorter working distance.
  4. Working distance is adjustable. The focused beam spot size depends on focal distance; shorter focal distance results in a smaller focused beam spot size.

Customization and OEM Solutions

The laser is fully customizable in its design, features and performance, such as the mechanical dimension and shape, fan, focus spot size, working distance, optical power and electronic inputs. OEM and private label solutions are also a possibility for manufacturers and distributors of 3D printers and CNC machines. Our engineers can work with your company to deliver the appropriate solution.

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