Aufero Laser Engraver AL3-20A User Manual

1. Introduction

This manual provides essential information for the safe and effective use of your Aufero Laser Engraver AL3-20A. This powerful 20W laser engraver and cutter is designed for precision work on a variety of materials, including wood, metal, acrylic, and leather. It features a large working area and comes equipped with a 40L air assist pump to enhance performance and safety.

Figure 1.1: The Aufero Laser Engraver AL3-20A with examples of engraved items.

Please read this manual thoroughly before operating the machine to ensure proper setup, operation, and maintenance, and to understand all safety precautions.

2. Safety Information

WARNING: This product is a Class 4 laser device. Direct exposure to the laser beam can cause severe eye damage and skin burns. Always wear appropriate laser safety goggles (OD6+) when operating the machine. Never look directly into the laser beam.

2.1 General Safety Precautions

• Operate the machine in a well-ventilated area to dissipate fumes and smoke produced during engraving/cutting.
• Keep a fire extinguisher nearby. Materials can ignite during laser processing.
• Do not leave the machine unattended during operation.
• Ensure the work area is clear of flammable materials.
• Keep children and pets away from the operating machine.
• Disconnect power before performing any maintenance or adjustments.

2.2 Enhanced Safety Features

The Aufero AL3-20A incorporates six protective measures to enhance user safety:

1. Motherboard Program Monitoring: Monitors voltage and current to prevent electrical issues.
2. USB Connection Monitoring: Detects and alerts if the USB connection is interrupted during operation.
3. Current and Voltage Monitoring: Continuously checks power supply stability.
4. Laser Exposure Monitoring: Filters 97% of ultraviolet rays and limits laser exposure duration for a secure working environment.
5. Active Position Protection: Detects unexpected movement or tilting of the machine and stops laser output.
6. Sloping Position Protection: Automatically halts operation if the machine is tilted beyond a safe angle.

Figure 2.1: Active Position Protection mechanism, detecting and responding to tilting.

Figure 2.2: Laser Beam Safety Guard, featuring USB watchdog detection function.

Figure 2.3: Exposure Duration Detection and Limitation, ensuring a secure working environment.

Figure 2.4: Motherboard Program Monitoring, part of the voltage and current safety control system.

3. Product Components

The Aufero AL3-20A laser engraver consists of the following main components:

• Laser Module (AL3-20A): The core component responsible for laser emission, featuring a 20W output power and a precise spot size of 0.08mm*0.18mm. It includes integrated fixed focus, dual fans for cooling, and supports air assist.
• Machine Frame: A uni-body frame design made of superior aluminum alloy, providing stability and durability.
• Control Board: Manages the machine's operations, supporting high baud rates up to 921600.
• 40L Air Assist Pump: An adjustable air assist device that blows away fumes and cutting residues, significantly improving engraving and cutting performance and preventing material ignition.
• Power Adapter: Supplies power to the machine.
• USB Cable: For connecting the engraver to a computer.
• Safety Goggles: Essential eye protection for operation.

Figure 3.1: The powerful 20W Laser Module, featuring UV ray filtration, integrated fixed focus, dual fan cooling, and air assist support.

Figure 3.2: Comprehensive Air Assist Solution, demonstrating how the air assist pump improves engraving and cutting performance.

4. Setup and Assembly

The Aufero AL3-20A is designed for easy installation. Follow these general steps for initial setup:

1. Unpack Components: Carefully remove all parts from the packaging. Verify that all components listed in the packing list are present.
2. Assemble Frame: The machine features a uni-body frame. If any minor assembly is required (e.g., attaching feet), follow the detailed instructions in the included quick start guide.
3. Install Laser Module: Securely attach the laser module to the gantry according to the provided diagrams. Ensure it is firmly seated.
4. Connect Air Assist: Connect the 40L air assist pump to the designated port on the laser module and ensure the air hose is properly routed.
5. Power Connection: Connect the power adapter to the machine and then to a suitable power outlet.
6. USB Connection: Connect the engraver to your computer using the provided USB cable.
7. Software Installation: Install the necessary engraving software (e.g., LaserGRBL, LightBurn, or Laser Explorer APP) on your computer or mobile device.

Figure 4.1: The Aufero AL3 20W Laser Engraver, ready for operation after assembly.

Refer to the detailed product installation guide included in your package for specific step-by-step instructions and diagrams.

5. Operation Guide

5.1 Software Compatibility and Connection

The Aufero AL3-20A supports various professional engraving software, including LaserGRBL and LightBurn. It also offers its own Laser Explorer application. You can connect the machine via four convenient modes:

• WIFI: For wireless control and file transfer.
• APP: Control via the Laser Explorer mobile application.
• USB: Direct connection to a computer for real-time control.
• TF Card: For offline engraving by loading G-code files directly onto the machine.

Figure 5.1: The Aufero engraver adapts to common software like Laser Explorer, LightBurn, and LaserGRBL.

5.2 Engraving and Cutting Process

1. Prepare Material: Place the material to be engraved or cut on the working area. Ensure it is flat and securely positioned.
2. Design and Load File: Create or load your design in the chosen software. Adjust parameters such as power, speed, and passes based on the material type and desired outcome.
3. Positioning: Use the software to precisely position your design on the material. The machine supports automatic homing for consistent positioning.
4. Start Air Assist: Ensure the 40L air assist pump is active, especially for cutting or engraving materials that produce significant smoke or residue.
5. Start Engraving/Cutting: Initiate the process from the software. Monitor the operation closely.

5.3 Performance and Capabilities

• Precision: With a spot size of only 0.08mm*0.18mm, the AL3-20A can achieve highly detailed and intricate engravings.
• Speed: The engraving speed can reach up to 20000 mm/min, significantly improving efficiency.
• Cutting Ability: The 20W laser module allows for excellent cutting capabilities, such as cutting 20mm pine board and 30mm acrylic.
• Material Compatibility: Engrave and cut a wide range of materials including plywood, hardwood, metal, leather, glass, paper, dark acrylic, fabric, and more.
• Y-axis Rotation Engraving: Suitable for engraving cylindrical objects like mugs, wine bottles, and goblets (requires optional rotary attachment).

Figure 5.2: Precision Spot Size for Detailed Engraving, capturing intricate details.

Figure 5.3: Overall Speed Improvement, with maximum speed increased to 20,000 mm/min.

Figure 5.4: Automatic Homing, ensuring precise positioning and consistency.

Figure 5.5: Excellent Cutting Ability, demonstrating cuts through 20mm pine and 30mm acrylic.

Figure 5.6: Y-axis Rotation Engraving, suitable for cylindrical objects.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your Aufero laser engraver.

• Cleaning the Lens: Periodically clean the laser lens with a specialized lens cleaning solution and a lint-free cloth. A dirty lens can reduce laser power and engraving quality.
• Cleaning the Machine: Use a soft, dry cloth to wipe down the machine frame and gantry. Remove any dust, debris, or residue from the working area.
• Lubrication: Check the guide rails and moving parts for smooth operation. Apply a small amount of appropriate lubricant if necessary, as per the manufacturer's recommendations.
• Air Assist Pump Maintenance: Ensure the air assist pump is free from blockages and operating efficiently. Clean or replace filters if applicable.
• Firmware Updates: Check the official Aufero website for any available firmware updates to ensure your machine has the latest features and bug fixes.

Always disconnect the power supply before performing any cleaning or maintenance tasks.

7. Troubleshooting

This section addresses common issues you might encounter with your Aufero AL3-20A laser engraver.

If the problem persists after attempting these solutions, please contact Aufero customer support.

8. Specifications

Key technical specifications for the Aufero Laser Engraver AL3-20A:

9. Warranty and Support

9.1 Warranty Information

The Aufero Laser Engraver AL3-20A comes with a standard manufacturer's warranty. For detailed information regarding warranty terms, duration, and coverage, please refer to the warranty card included with your product packaging or visit the official Aufero website.

9.2 Customer Support

For technical assistance, troubleshooting, or any inquiries regarding your Aufero laser engraver, please contact Aufero customer support. You can typically find contact information on the official Aufero website or within your product documentation.

Manufacturer: Aufero

Online Resources: Visit the official Aufero website for FAQs, software downloads, and additional support materials.