Laser Welding Protective Window Contamination Detection System & Fouling Module

Laser Welding Protective Window Contamination Detection System & Fouling Module

Wavelength Opto-Electronic introduces its Welding Galvanometer Protection Window Contamination Detection Module, engineered to ensure consistent laser welding quality by real-time monitoring of protective window integrity. The module integrates a polarizer, a dichroic filter, a 6mm wide-angle lens, and a 1/1.8-inch 6-megapixel industrial camera. Leveraging scattering imaging and advanced image-processing algorithms with a dedicated illumination scheme, the system delivers continuous, high-precision assessment of window contamination and physical damage. This automated solution effectively supersedes conventional manual visual inspection, offering a robust and reliable contamination management system for high-volume laser welding production lines.

 


Product Detail

Product Tags

 Physical Setup and Stained Camera End Imaging of Fouling Detector

Key specs showing focal length compatibility (>250mm), side mounting space (>150mm), 650nm light source band, and customizable 600W camera pixel for diverse industrial laser setups.
Physical picture of the installation on a workbench with the blue light strip active, compared with the stained camera end imaging results showing clear detection of dust and particles on the protective lens.
The user-friendly GUI displaying real-time test results, automatic area categorization, and comprehensive data for proactive maintenance of laser protective windows.

Technical Highlights & Performance Parameters 

Wide dynamic range for contaminant detection across varying particle sizes and densities.

Compact mechanical design enables direct mounting to high-power welding field lenses for simplified integration

360° rotatable vision module for flexible positioning and optimal field of view.

User-configurable inspection zones on the lens surface, tailored to specific application requirements.

Core Functionality & Key Applications

Intelligent Detection & Precision Recognition Even microscopic dust particles or minute residues trigger measurable image contrast variations for reliable detection

Non-Contact, Standardized Inspection Eliminates subjectivity and inconsistency of manual visual checks, ensuring safety and repeatability

High-Speed Real-Time Monitoring Provides live in-process inspection during welding operations, with instant alarms and maintenance alerts upon detecting anomalies

Minimum Detectable Metal Spatter: 0.1mm Employs a 650nm red light source, strategically selected to avoid spectral interference with the 1064nm laser wavelength

 

Primary Application Industries

Automotive manufacturing lithium-ion battery welding and battery pack assembly

Electronics manufacturing PCB and smartphone motherboard soldering processes

 

Advanced software features allowing counting of contaminants by area level (<1mm² to >3mm²), supporting annular or 9-grid partition setting, and triggering alerts based on quantity and total area.

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    Wavelength has been focused on providing high precision optical products for 20 years