The application of CCD visual positioning systems in UV laser marking machines mainly improves positioning accuracy, batch processing efficiency, and adaptability across different production scenarios. By using industrial cameras and algorithms, the system performs automated recognition and measurement, significantly enhancing processing precision and productivity.
1. Core Functions: Precision Positioning and Path Planning
The CCD visual positioning system uses an industrial camera to quickly capture key parameters such as product dimensions, coordinates, and angle within the working range, replacing manual measurement and eliminating human error. The measured data is then processed by algorithms to automatically generate the laser marking path, ensuring that the laser follows the preset trajectory and achieves sub-millimeter marking accuracy. For example, when marking inside a mobile phone screen, the system can precisely locate circuit pattern positions and avoid damaging functional areas. If the product position shifts or deforms, the system adjusts the path parameters in real time to maintain marking consistency, which is suitable for flexible production lines.
2. Efficiency Improvement: Batch Processing and Multi-Task Handling
The system can process hundreds of products in a single operation. In PCB processing, for example, it can identify multiple component positions and complete batch marking, improving efficiency by three to five times compared with conventional equipment. It supports surface and internal processing of materials such as glass, crystal, metal, and non-metal, covering high-demand fields including mobile phone screens, automotive glass, optical devices, and hardware ceramics. Combined with the cold processing characteristics of UV lasers, which produce a small heat-affected zone, the system can achieve fine marking on high flame-retardant materials such as fire-resistant plastics, meeting strict requirements for electronic devices and instrument panels.
3. Technical Advantages: High Accuracy and Stability
The system response time is under 100 ms, allowing fast image processing and path planning for high-speed production lines. Through sub-pixel algorithms, positioning error is controlled within ±0.02 mm, ensuring accurate marking of small structures such as chip pins. The system also has strong anti-interference capability and can operate stably under changing lighting conditions or vibration, reducing downtime and maintenance.
4. Typical Application Scenarios
In consumer electronics, the system is used for internal marking of mobile phone screens, LCD panel marking, and camera module marking, improving product anti-counterfeiting and brand identification. In the automotive industry, it is applied to transmittance marking on automotive glass and scale marking on instrument panels, meeting automotive-grade precision requirements. In medical equipment, it enables microstructure processing of optical devices such as endoscope lenses to ensure functionality and safety. In aerospace, it provides permanent marking on high flame-retardant materials such as titanium alloy components, meeting corrosion resistance requirements under military standards.
5. Market Value
Processing demand for materials such as glass, metal, and plastic accounts for more than 60% of the industrial laser market. The introduction of CCD visual systems further expands the application range of UV laser marking machines. Batch processing reduces unit cost. For example, in marking nameplates for electronic devices, processing time per piece can be reduced from 30 seconds to 2 seconds, lowering overall cost by approximately 70%.
For non-standard fixtures, positioning brackets, or precision-machined components used in CCD visual positioning and UV laser marking systems, Hansheng Automation provides custom machining services based on customer drawings.
