Introduction
Welcome to the user manual for the DMK Relfar FWH30-DS20E Handheld Laser Welding Head. This device is engineered for efficient and precise laser welding applications, featuring intelligent dual swing energy storage and a versatile 5-in-1 functional design. This manual provides essential information for safe operation, proper setup, routine maintenance, and effective troubleshooting to ensure optimal performance and longevity of your welding head.
Important Safety Instructions
Laser welding equipment can pose significant hazards if not handled correctly. Always adhere to the following safety guidelines to prevent injury and equipment damage:
- Wear appropriate laser safety glasses at all times when operating or in the vicinity of the laser welding head.
- Ensure the work area is clear of flammable materials and well-ventilated.
- Never point the laser at people or animals.
- Disconnect all power sources before performing any maintenance, adjustments, or cleaning.
- Refer to local regulations and industry standards for comprehensive laser safety protocols.
Product Overview
The Relfar FWH30-DS20E is an advanced handheld laser welding head designed for versatility and high performance. Key features include:
- Intelligent Dual Swing Energy Storage: Optimizes laser output for enhanced welding efficiency and consistent performance.
- 5-in-1 Functionality: A versatile design that supports various welding applications.
- Double Wire Feed System: Ensures a continuous and consistent supply of filler wire during operation.
- QBH Fiber Interface: Compatible with standard QBH fiber laser sources, offering flexible integration.
- Adjustable Spot Range: Provides precise control over the welding spot size, adjustable from 0-5mm.
Setup and Connections
Before operating the Relfar FWH30-DS20E, ensure all components are correctly connected and secured:
- Unpack all items and verify against the package contents list.
- Connect the QBH fiber interface from your laser source to the welding head. Ensure the connection is clean, secure, and free from dust.
- Connect the control signal cables to the appropriate ports as indicated in the control signal connection diagram.
- Install the appropriate welding wire into the double wire feed system, ensuring it feeds smoothly without tangles.
- Ensure the power supply for the laser source and the control unit is properly connected and grounded according to electrical safety standards.
Operating Instructions
Follow these steps for safe and effective operation of your Relfar FWH30-DS20E welding head:
- Power on the laser source and the control unit, ensuring all system checks pass.
- Select the desired welding parameters (e.g., laser power, pulse width, frequency, waveform) on your laser source control panel.
- Adjust the spot range on the welding head as needed, typically between 0-5mm, to achieve optimal focus on the workpiece.
- Position the welding head over the workpiece, maintaining the correct working distance for the selected spot size.
- Initiate the laser by pressing the trigger button, ensuring all safety precautions are observed and the area is clear.
- Guide the welding head smoothly along the intended weld path. The double wire feed system will automatically supply filler material consistently.
Dual Swing Energy Storage
The intelligent dual swing energy storage system actively optimizes the laser output for stable and high-quality welds. This feature automatically manages energy delivery to maintain consistent performance throughout the welding process.
5-in-1 Functionality
The welding head supports various welding modes and functions. Refer to your laser source's specific software interface and documentation for detailed instructions on selecting and configuring these functions according to your specific application requirements.
Maintenance
Regular maintenance is crucial for ensuring the optimal performance, accuracy, and longevity of your Relfar FWH30-DS20E. Pay particular attention to the optical components.
Lens Replacement Procedures
The welding head contains several optical lenses that may require cleaning or replacement due to wear, damage, or contamination. Always handle lenses with extreme care and perform replacements in a clean, dust-free environment.
Replacing the Collimating Lens
- Carefully unscrew the cap and remove the collimating drawer module.
- Replace the D20*F50 collimating lens, ensuring correct orientation. The surface which is more convex should face upward.
- Reassemble the module and securely fasten the cap.
Replacing the Focusing Lens
- Remove the cap and the focus drawer module.
- Replace the D20*F200 focusing lens, ensuring correct orientation. The surface which is more convex should face upward.
- Reassemble the module and securely fasten the cap.
Replacing the Protective Lens
- Gently pull out the drawer handle module horizontally.
- Replace the D20*2 protective glass (G2) and D20*2 protective glass (G1).
- Carefully reinsert the drawer handle module until it clicks into place.
General Cleaning
Regularly clean the exterior of the welding head with a soft, dry, lint-free cloth. Ensure no dust or debris accumulates on or near the optical components or ventilation openings. Avoid using abrasive cleaners or solvents.
Troubleshooting
If you encounter problems with your Relfar FWH30-DS20E, refer to the following table for common issues and their potential solutions. For persistent problems or issues not listed, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No Laser Output | Power not connected, safety interlock engaged, fiber cable loose or damaged. | Check all power connections, ensure safety interlocks are disengaged, secure or inspect fiber cable. |
| Inconsistent Wire Feed | Welding wire tangled, feed rollers dirty or worn, incorrect wire tension. | Untangle wire, clean feed rollers, adjust wire tension according to specifications. |
| Poor Weld Quality | Incorrect welding parameters, dirty or damaged lenses, improper focus. | Adjust welding parameters, clean or replace lenses, verify and adjust focus. |
| Overheating | Insufficient cooling, prolonged continuous use beyond duty cycle. | Ensure proper cooling system operation (if external), allow for adequate cool-down periods between operations. |
Specifications
The following are the technical specifications for the Relfar FWH30-DS20E Handheld Laser Welding Head:
- Product Name: Relfar Handheld Laser Welding Head
- Model: FWH30-DS20E
- Weight: Approximately 0.9 kg
- Fiber Interface: QBH
- Spot Adjustable Range: 0-5mm
- Wire Feed System: Double Wire Feed
- Functions: 5-in-1 (specific functions depend on integrated laser source software)
- Energy Storage: Intelligent Dual Swing
Package Contents
The standard package for the Relfar FWH30-DS20E Handheld Laser Welding Head typically includes:
- Relfar Handheld Laser Welding Head (Model FWH30-DS20E) x 1
- Associated control cables and power supply components
- User Manual (this document)
Note: Specific accessories and components may vary based on your purchase configuration. Please refer to your purchase invoice or product packaging for a complete and accurate list of included items.
Warranty Information and Customer Support
For detailed warranty information regarding your DMK Relfar FWH30-DS20E Handheld Laser Welding Head, please refer to the warranty documentation provided at the time of purchase or contact your authorized vendor. DMK is committed to providing high-quality products and reliable customer support.
If you require technical assistance, have questions about operation, or need to report an issue, please contact DMK customer support through their official channels. You can also visit the DMK Laser Store for more information:
DMK Laser Store: Visit the DMK Laser Store on Amazon