TWO TREES 1064nm Infrared Laser Module User Manual

1. Introduction

The TWO TREES 1064nm Infrared Laser Module, also known as the M3 laser head, is an advanced engraving tool designed for precision work on a wide range of materials, particularly metals. This module features a 15kW peak, 1064nm pulsed laser, offering breakthrough technology for engraving large areas and various material types. It is compatible with TWO TREES TOTEM S and TTS series laser engravers, as well as Atomstack A5 Pro and A10 Pro engraving machines.

Figure 1: Black M3 Laser Module

Figure 2: Blue M3 Laser Module

2. Safety Information

WARNING: This product contains a high-power laser. Improper use can cause serious injury, including eye damage and skin burns. Always follow safety precautions.

• Eye Protection: Always wear appropriate laser safety goggles (OD 6+ for 1064nm wavelength) when operating the laser module. Never look directly into the laser beam or its reflection.
• Skin Protection: Avoid direct exposure of skin to the laser beam.
• Work Area: Operate the laser in a well-ventilated area. Ensure the work area is free of flammable materials.
• Supervision: Never leave the laser module operating unattended.
• Children and Pets: Keep children and pets away from the laser engraving machine during operation.
• Emergency Stop: Familiarize yourself with the emergency stop procedure of your laser engraver.

3. Specifications

Figure 3: Laser Module Specifications

4. Setup and Installation

The M3 Laser Module is designed for easy integration with compatible laser engravers. Ensure your engraver is powered off and disconnected from the power source before beginning installation.

4.1 Compatibility

This laser module is suitable for:

• TWO TREES TOTEM S series laser engravers
• TWO TREES TTS series laser engravers
• Atomstack A5 Pro engraving machines
• Atomstack A10 Pro engraving machines

4.2 Installation Steps

1. Power Off: Disconnect your laser engraver from the power supply.
2. Remove Existing Module (if applicable): Carefully remove any existing laser module from your engraver according to its specific instructions.
3. Mount the M3 Module: Attach the M3 Laser Module to the engraver's mounting bracket. Use the provided screws and ensure it is securely fastened. The module features adjustable screws for precise positioning.
4. Connect Wiring: Connect the 12V power cable and signal cable from the engraver to the corresponding ports on the M3 Laser Module. Ensure connections are firm and correct.
5. Verify Installation: Double-check all connections and mounting points before restoring power.

Figure 4: M3 Laser Module mounted on a compatible engraver

5. Operating Instructions

Once the M3 Laser Module is installed, you can begin engraving. Always refer to your specific laser engraver's software and control panel for detailed operation.

5.1 Laser Principle Overview

The M3 module utilizes a 1064nm infrared pulsed laser. This technology differs from standard 455nm semiconductor blue lasers, offering distinct advantages for certain materials, especially metals. The internal mechanism involves a pump source, laser crystal, Q-Switch, resonant cavity, and focusing lens to achieve a precise and powerful laser spot.

Figure 5: Laser Principle Diagram (1064nm vs 455nm)

5.2 Engraving Process

1. Prepare Material: Place the material to be engraved on the work surface of your engraver. Ensure it is flat and secured.
2. Focus the Laser: Adjust the laser focus according to your engraver's instructions to achieve the smallest possible laser spot (0.03mm*0.03mm). Proper focusing is crucial for engraving quality.
3. Software Setup: Use your engraver's software to load your design, set engraving parameters (speed, power, passes), and define the work area.
4. Start Engraving: Initiate the engraving process from your software. Monitor the process closely, ensuring all safety measures are in place.

5.3 Recommended Applications

The M3 Laser Module excels in engraving various materials, including:

• Metals: Ideal for customizing exquisite rings, bracelets, necklaces, and other metal items.
• Other Materials: Capable of engraving a wide range of other materials, including leather, wood, and certain plastics.

Figure 6: Engraving rings with the M3 Laser Module

Figure 7: Diverse engraving applications

6. Maintenance

Regular maintenance ensures optimal performance and longevity of your laser module.

• Lens Cleaning: Periodically inspect and clean the focusing lens. Use a soft, lint-free cloth and lens cleaning solution specifically designed for optics. Avoid touching the lens with bare hands.
• Dust Removal: Keep the laser module and its cooling fan free from dust and debris. Use compressed air to gently clear vents and surfaces.
• Connection Check: Regularly check all electrical connections to ensure they are secure and free from damage.
• Storage: When not in use, store the laser module in a clean, dry environment, away from direct sunlight and extreme temperatures.

7. Troubleshooting

If you encounter issues with your M3 Laser Module, consider the following common troubleshooting steps:

• No Laser Output:
  • Check if the module is correctly powered and all cables are securely connected.
  • Verify that the laser engraver's software settings are correct (power, enable laser).
  • Ensure the emergency stop button is not engaged.
• Weak Engraving/Poor Quality:
  • Re-check the laser focus. An unfocused beam will result in poor engraving.
  • Increase laser power or reduce engraving speed in your software.
  • Clean the laser lens for any dust or residue.
  • Ensure the material is suitable for 1064nm infrared laser engraving.
• Module Overheating:
  • Ensure the cooling fan on the module is operating correctly and not obstructed.
  • Operate in a well-ventilated environment.
  • Reduce engraving power or allow the module to cool down between long operations.

For persistent issues, consult the support resources for your specific laser engraver or contact the manufacturer.

8. User Tips

• Test Settings: Always perform small test engravings on scrap material to fine-tune power and speed settings for new materials or designs.
• Material Preparation: For best results on metals, ensure surfaces are clean and free of oils or coatings that might interfere with laser absorption.
• Ventilation: Even for metal engraving, proper ventilation is important to remove any fumes or particulate matter generated.

9. Warranty and Support

For warranty information and technical support, please refer to the documentation provided with your original laser engraver or contact the manufacturer of the TWO TREES M3 Laser Module directly. Keep your purchase receipt as proof of purchase.