1. Introduction
This manual provides essential information for the safe and efficient operation of your Cloudray 30W Fiber Laser Engraver, Model CLM30F. This cutting-edge machine is designed for precise and efficient laser marking on various metal materials, offering powerful engraving capabilities and exquisite results. Please read this manual thoroughly before operating the device to ensure proper setup, usage, and maintenance.

Figure 1.1: Cloudray 30W Fiber Laser Engraver (CLM30F) main unit and laser head.
2. Safety Information
WARNING: This is a Class 2 Laser Product. Always follow safety guidelines to prevent injury.
The Cloudray 30W Fiber Laser Engraver is a powerful tool. Adherence to safety protocols is paramount.
2.1 General Safety Precautions
- Always wear appropriate laser safety glasses when operating the machine.
- Ensure the work area is well-ventilated to dissipate fumes and particles generated during engraving.
- Do not look directly into the laser beam or at reflections.
- Keep flammable materials away from the engraving area.
- Ensure the machine is properly grounded.
- Do not leave the machine unattended during operation.
2.2 Product Safety Features
- Low Voltage Startup: The device features a low voltage startup for enhanced safety.
- Self-Locking Button: A self-locking button prevents accidental activation and potential hazards.
- Class 2 Laser: Designed with safety in mind, adhering to Class 2 laser standards.

Figure 2.1: Safety and design features of the Cloudray CLM30F.
3. Product Overview
3.1 Key Features
- Powerful Laser: Equipped with a 30W (30,000mW) Raycus fiber laser source for strong engraving capability.
- Long Lifespan: Designed for durability with a working lifespan of up to 100,000 hours.
- High Precision: Laser output power stability within 3% deviation and a beam with an M² value less than 1.6 for superior engraving.
- Fast and Efficient: Carving speed up to 4000mm/s and positioning speed up to 12m/s.
- Accurate Focusing: Features a built-in hidden red light indicator and a laser-integrated red light for convenient focusing.
- Versatile Applications: Ideal for marking on various metal materials including aluminum, steel, gold, silver, and jewelry.
- Portable Design: Compact and portable with a specially designed handle for easy transport.
- Expandable: 4-pin ports allow plug-and-play connection to a rotary axis (not included) for marking on curved surfaces.

Figure 3.1: Overview of Cloudray CLM30F key performance indicators.
3.2 Components
The Cloudray CLM30F typically includes the main control unit, laser head assembly, adjustable column, base plate, and necessary cables and fasteners. Additional accessories like a rotary axis are sold separately.
3.3 Dimensions and Weight
- Product Dimensions: 20.47 x 14.76 x 28.54 inches (52 x 37.5 x 72.5 cm)
- Item Weight: 43.9 pounds (19.9 kg)

Figure 3.2: Detailed dimensions of the Cloudray CLM30F.
4. Setup
The modular design of the Cloudray CLM30F allows for quick and straightforward assembly. Follow these steps to set up your laser engraver:
- Unpack all components and verify against the packing list.
- Attach the adjustable column to the base plate using the provided fasteners.
- Mount the laser head assembly onto the adjustable column.
- Connect the laser head to the main control unit using the provided cable.
- Ensure all connections are secure before powering on the device.
Video 4.1: This video demonstrates the assembly process of the Cloudray 30W Fiber Laser Engraver, showing how to connect the main components and prepare the machine for operation.
5. Operation
5.1 Software Installation and Use
The Cloudray CLM30F is compatible with LightBurn software, which provides full access to its Galvo Version features. It is also compatible with EZCAD. Ensure you have the correct software installed and licensed for your operating system (Windows, macOS, Linux).

Figure 5.1: Software interfaces for designing and controlling engraving tasks.
5.2 Focusing the Laser
Accurate focusing is crucial for optimal engraving results. The CLM30F features a precise height scale and a red light indicator to assist with manual focusing.
- Place your material on the base plate.
- Adjust the height of the laser head using the concealed crank until the red light indicator shows the strongest and clearest point on your material. This indicates the focal length has been found.
- The precise height scale ensures accurate and repeatable manual focusing.

Figure 5.2: Details on focus adjustment and rotary marking capabilities.
5.3 Engraving Process
Once the software is set up and the laser is focused, you can begin your engraving projects. The machine supports high-speed marking up to 4000mm/s, significantly enhancing productivity.
- Design your pattern, text, or logo in the compatible software (e.g., LightBurn).
- Select the appropriate material settings (power, speed, frequency) for your specific material.
- Initiate the marking process. The laser will precisely engrave your design onto the material.
- The machine is capable of marking on various metal materials, creating personalized items such as cardholders, keychains, phone cases, jewelry, and accessories.

Figure 5.3: Examples of engraving quality on various materials.
Video 5.1: This video demonstrates the laser focusing process and various engraving applications on different materials like rock plates, coated cups, pens, stainless steel business cards, aluminum business cards, copper, and rings using the Cloudray 30W Fiber Laser Engraver.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Cloudray CLM30F.
- Cleaning: Regularly clean the lens and work area to prevent dust and debris buildup, which can affect laser performance. Use a soft, lint-free cloth and appropriate cleaning solutions.
- Connections: Periodically check all cables and connections to ensure they are secure and free from damage.
- Ventilation: Ensure the ventilation openings on the main unit are clear and unobstructed to prevent overheating.
- Software Updates: Keep your engraving software updated to the latest version for improved features and stability.
7. Troubleshooting
This section addresses common issues you might encounter during operation.
| Problem | Possible Cause | Solution |
|---|---|---|
| Laser not firing or weak output | Incorrect focus, dirty lens, low power setting, cable disconnection. | Re-focus the laser, clean the lens, increase power setting in software, check all cable connections. |
| Engraving quality is poor or inconsistent | Incorrect speed/power settings, material not flat, dirty lens, unstable machine. | Adjust speed/power settings, ensure material is flat and secure, clean lens, place machine on a stable surface. |
| Software not connecting to machine | Incorrect driver, USB cable issue, software version incompatibility. | Install correct drivers, try a different USB port/cable, ensure software is updated and compatible. |
| Machine not powering on | Power cable disconnected, power switch off, power supply issue. | Check power cable, ensure power switch is on, verify power outlet functionality. |
8. Specifications
| Specification | Value |
|---|---|
| Model Number | CLM30F |
| Laser Output Power | 30W (30,000mW) |
| Laser Type | Fiber Laser (Raycus source) |
| Laser Class | Class 2 |
| Working Lifespan | Up to 100,000 hours |
| Output Power Stability | Less than 3% deviation |
| Beam Quality (M²) | Less than 1.6 |
| Carving Speed | Up to 4000mm/s |
| Positioning Speed | Up to 12m/s |
| Repeat Engraving Progression | Down to 13µRad |
| Motor Life | Up to 20,000 hours |
| Product Dimensions | 20.47 x 14.76 x 28.54 inches |
| Item Weight | 43.9 pounds |
| Software Compatibility | LightBurn, EZCAD |
9. Warranty and Support
For warranty information and technical support, please refer to the official Cloudray website or contact their customer service directly. You may also find additional resources, including a Certificate of Compliance and Certificate of Analysis, on the product's Amazon listing page under the 'Documents' section.
Manufacturer: Cloudray
Date First Available: August 18, 2021
For further assistance, please visit the Cloudray Store on Amazon.





