Description
Powerful and precise: Compact air-assist laser head module offering 5W, 10W and 18–22W (20W class) optical power options for high-precision CNC engraving and fast cutting of wood, acrylic and MDF. Features TTL control, built-in air assist and cooling, anti-blue view window, and temperature/operation indicators for reliable workshop performance.
Specifications:
- Certification: CE
- Condition: New
- Models: LT-40W-AA (5W), LT-80W-AA-PRO (10W), LT-K20 / LT-K20-PRO (18–22W optical output)
- Optical Power: 5W (±0.5W), 10W, 18–22W (20W class)
- Wavelength: 450 nm (±10 nm)
- Light Color: Blue
- Input Voltage & Current: 12V (1.5–2A) for lower-power modules; 24V, 4A typical for K20 series
- Interface: TTL signal control (supports PWM/TTL power control)
- Material: Aluminum alloy + plastic
- Air Assist: Built-in air assist airway (nozzle included). Suggested air flow ≥27 L/min (≈0.95 CFM)
- Cooling: Dual fan cooling on higher-power models for improved heat dissipation
- Spot Size: K20: 0.04 × 0.30 mm; K20-PRO: 0.14 × 0.20 mm
- Protective Features: Removable anti-blue view window / protective cover, copper-core protection lens, Power and Signal LED indicators
- Temperature & Alarm: Built-in temperature display and buzzer alarm (alerts when module temperature exceeds ~55 °C / 131 °F)
- Positioning: Red crosshair alignment for easier frame positioning and secondary cuts
- Compatibility: Designed for broad DIY CNC compatibility (adapter board and sliding mounting plate included for many desktop laser engravers)
Cutting Performance Examples:
- LT-40W-AA (5W): Cuts up to 4 mm plywood in one pass (~0.16 in) at ~190 mm/min
- LT-80W-AA-PRO (10W): Cuts up to 8 mm bass plywood (~0.31 in) at ~120 mm/min (one pass); 5 mm bass plywood (~0.20 in) at ~50 mm/min (one pass)
- LT-K20 (18–22W): Example: 12 mm basswood plywood (~0.47 in) at ~120 mm/min (one pass); 12 mm black acrylic (~0.47 in) at ~25 mm/min (one pass); 15 mm pine (~0.59 in) at ~100 mm/min (one pass)
Use & Maintenance Tips:
- Air Assist: Always turn on the air pump before cutting to avoid smoke contaminating the lens
- Focus: For cutting, set the focal point slightly below the material surface (e.g., for 10 mm material, lower focus by ~5 mm)
- Lens Care: Keep the lens and nozzle clean; use a clean alcohol swab to remove dust or fingerprints to maintain output power and longevity
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Safety Notes:
This is an electrical laser module. Follow all electrical safety rules: use the correct power supply, avoid exposing wiring to moisture, disconnect power before servicing, and do not modify internal wiring. Ensure proper ventilation and secure, grounded connections.
High-power laser safety: This product emits a high-intensity blue laser. Always use appropriate laser safety eyewear rated for 450 nm, use the protective cover when possible, never look directly at the beam, keep the device away from children, and operate the module inside an enclosed, well-ventilated work area to avoid eye or skin injury and fire hazards.
Do not operate without air assist when cutting materials that produce smoke. Regularly check cooling fans, connections, and lenses before use.