Engraving laser heads for CNC (computer numerical control) machine tools are components used to focus and guide a high-power laser beam to accurately cut or engrave materials. These laser heads vary in power, focusing capabilities, and beam control. The following is what you need to know about high-power CNC laser head engraving:
Types of high power CNC laser heads
CO2 laser: Commonly used to engrave organic materials such as wood, paper, leather and plastic. CO2 lasers can also cut thicker materials, depending on their power.
Fiber Lasers: Known for their efficiency and longevity, these lasers are great for engraving and marking metals and some plastics.
Nd:YAG laser: A solid-state laser mainly used for engraving metals and ceramics.
Key Features
Power output: High-power laser heads usually range from a few watts to hundreds of watts. For engraving, lower power (10-50W) is often sufficient, while cutting requires higher power (50W+).
Focus Adjustment: Allows you to control the focus of the laser beam, affecting the depth and accuracy of engraving.
Cooling System: High-power lasers generate heat and require water or air cooling to prevent damage to the head and maintain performance.
Modularity and compatibility: some laser heads are interchangeable or compatible
Matched with various CNC machine tools, flexible application.
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Engraving: Laser engraving can be used to create intricate designs, text or logos on a variety of materials. Typically used on wood, metal, glass, acrylic, leather and stone.
Cutting: High-power lasers are used to cut materials such as wood, acrylic, and some metals.
Marking: Laser marking is used to add text or graphics on metal parts for identification or marking purposes.
Things to note when choosing a laser head
Material Compatibility: Choose the laser type based on the materials you want to use.
Power requirements: The higher the power, the better the cutting effect; lower power may be sufficient for engraving.
Accuracy and Speed: Ensure the laser head delivers the accuracy required for your project and operates at a speed suitable for production needs.
Safety Features: Look for safety features such as automatic shutoffs, protective enclosures, and interlocking systems.
Safety precautions
Eye protection: Wear appropriate laser goggles to prevent direct or reflected laser beam from damaging your eyes.
Ventilation: Ensure proper ventilation and avoid breathing fumes or particulate matter generated during the laser engraving or cutting process.
Fire Safety: Have a fire extinguisher nearby and have fire safety procedures in place.
in conclusion
The high-power CNC laser head is a multifunctional tool for engraving, cutting and marking. They are vital in industries ranging from manufacturing to art and design. When choosing a laser head for your CNC machine, consider your specific needs, including power, precision, and safety.