Cloudray CR35 35-45W CO2 Laser Tube Instruction Manual

1. Introduction

This manual provides essential information for the safe and effective installation, operation, and maintenance of your Cloudray CR35 CO2 Laser Tube. Please read this manual thoroughly before use to ensure optimal performance and longevity of the product.

Figure 1: Cloudray CR35 CO2 Laser Tube. This image displays the complete laser tube assembly, highlighting its glass construction and electrical connections.

Figure 2: Cloudray CO2 Laser Tube and associated accessories, including power supply and chiller, illustrating a typical setup.

2. Safety Information

WARNING: This is a Class 4 Laser Product. Exposure to direct or scattered laser radiation can cause serious injury, including skin and eye damage, and blindness. Always exercise extreme caution.

• High Voltage: The laser tube carries a high voltage that can cause serious injury or death. Always ensure the unit is disconnected from power before handling or installation.
• Grounding: Ensure your laser machine and all associated components are properly grounded.
• Professional Installation: If you are unsure about any installation or wiring procedures, do not proceed yourself. Contact a trained and licensed professional.
• Protective Gear: Always wear appropriate laser safety goggles and other personal protective equipment when operating or working near the laser system.
• Water Cooling: Proper water cooling is essential for safe operation and to prevent overheating of the laser tube. Ensure the cooling system is functioning correctly before activating the laser.

3. Product Overview

The Cloudray CR35 CO2 Laser Tube is designed for laser engraving and cutting applications. It features a nano gold catalyst coating for optimal beam quality and a unique glass-metal sealing technology for extended service life.

Key Features:

• Powerful CR35 35-45W CO2 laser tube.
• Length: 720mm, Outer Diameter: 50mm.
• Cable pre-connected for simplified installation.
• TEM00 mode output for high-quality beam spot concentration and energy density.
• Durable glass-metal sealing technology.

4. Technical Specifications

Figure 3: Detailed specifications for Cloudray CR series laser tubes, including power, length, diameter, and electrical parameters.

5. Setup and Installation

Before installation, ensure your machine has sufficient space for the laser tube (slightly larger than 720mm length and 50mm diameter). Always disconnect power before beginning installation.

5.1. Water Cooling Connection

Proper water cooling is critical for the laser tube's performance and lifespan. Connect the water inlet and outlet as shown in the diagrams below. Ensure a continuous flow of clean, distilled water at the recommended temperature (15°C - 30°C).

Figure 4: Illustration of the laser tube with water cooling connections, showing the path of water flow.

Figure 5: Close-up view of the custom bending for water inlet and outlet, designed for efficient cooling.

Figure 6: Comparison illustrating different water outlet designs, emphasizing the importance of proper connection.

5.2. Electrical Connections

The Cloudray CR35 laser tube comes with pre-connected high voltage and low voltage ports, simplifying the electrical setup. The high voltage connector is already attached. Ensure all connections are secure and insulated.

Figure 7: The pre-connected electrical cables on the laser tube, ready for integration into your laser system.

Figure 8: Detail of the 3M tape used for securing and insulating electrical connections, ensuring safety and reliability.

6. Operating Instructions

Once the laser tube is correctly installed and the cooling system is operational, you can proceed with powering on your laser machine.

6.1. Powering On

1. Ensure all safety precautions are met.
2. Turn on the water chiller/pump to establish water flow through the laser tube. Verify there are no leaks and water is circulating properly.
3. Power on the laser machine.

6.2. Laser Firing Test

Perform a low-power test fire to confirm laser output. Observe the mA meter to ensure the current is within the recommended operating range for your tube (Max Working Current: 20 mA for CR35).

6.3. Optimal Performance

For optimal performance and to prolong the life of your laser tube, operate it within the specified current limits. Excessive current can lead to premature degradation.

7. Maintenance

Regular maintenance is crucial for the longevity and consistent performance of your CO2 laser tube.

• Water Quality: Use clean, distilled water in your cooling system. Replace the water regularly to prevent algae growth and mineral buildup, which can impede cooling efficiency.
• Water Temperature: Maintain the water temperature between 15°C and 30°C. Temperatures outside this range can affect laser power and tube lifespan.
• Tube Cleaning: Keep the exterior of the laser tube clean and free from dust and debris.
• Consumable Item: CO2 laser tubes are consumable items. Prolonged storage may result in power attenuation. It is recommended to purchase the tube when you are ready to use it.

8. Troubleshooting

This section addresses common issues you might encounter with your laser tube.

• No Laser Output:
  1. Check all electrical connections for proper seating and continuity.
  2. Verify the laser power supply is functioning correctly.
  3. Ensure the water cooling system is active and flowing.
  4. Confirm the laser tube is not damaged (e.g., cracks in the glass).
• Low Laser Power:
  1. Check the water temperature; ensure it is within the optimal range.
  2. Verify the laser current on the mA meter is set correctly and stable.
  3. Inspect the laser optics (mirrors and lens) for cleanliness and alignment.
  4. Consider the age of the tube; power naturally attenuates over time.
• Water Leaks:
  1. Immediately shut down the machine and disconnect power.
  2. Identify the source of the leak and tighten connections or replace damaged tubing.

9. Warranty and Customer Support

Cloudray is committed to providing superior service to its customers.

• Warranty Period: If any issues arise within 4 months of receiving the laser tube (excluding man-made damage), please contact customer support.
• Claim Procedure: Provide the laser tube serial number and proof of the problem via photo or video. Upon verification, a new Cloudray tube will be promptly sent.
• Contact: For any assistance with your CO2 laser tube, please do not hesitate to reach out to Cloudray via Amazon or their official website.