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Specially Developed for Laser Plastic Welding from LPKF
June 25, 2025 | LPKFEstimated reading time: 1 minute
LPKF introduces TherMoPro, a thermographic analysis system specifically developed for laser plastic welding that transforms thermal data into concrete actionable insights. Through automated capture, evaluation, and interpretation of surface temperature patterns immediately after welding, the system provides unprecedented process transparency that correlates with product joining quality and long-term product stability. TherMoPro data enables welding process optimization to enhance component strength and long-term stability in a new dimension – completely non-destructively.
The system is designed for easy integration into existing production lines as a retrofit solution or as part of any new installation from the LPKF laser plastic welding product portfolio. Since thermographic analysis takes place directly after the welding process, usually cycle-time neutral, TherMoPro saves valuable space and time. Depending on the process, this inline approach can replace conventional quality control stations or reduce testing intervals for cost-intensive additional inspections, thus keeping production flow efficient – including full process transparency and traceability to every product ID.
"TherMoPro is far more than a standard thermal camera," explains Thomas Sontheimer, Senior Project Leader WeldingEquipment at LPKF. "Our solution approach offers real added value through the perfect synergy between specialized data acquisition and application-oriented analysis."
Developed in collaboration with experts specifically from the field of Automatic Optical Inspection (AOI), the system converts complex thermal data into more than 20 different quality parameters. This comprehensive analysis enables users to:
• Identify components that pass initial leak tests but would fail during temperature cycling tests
• Optimize processes for improved strength and reduced cycle times
• Monitor material property or process variations in real-time
• Achieve secure traceability with thermal data linked to each component ID
Benefits for markets with high quality requirements
For medical device manufacturers, the TherMoPro system provides the foundation for regulatory compliance, essential documentation requirements, and traceability while ensuring the long-term integrity of, for example, fluid-carrying components and sensitive enclosures. The ability to detect subtle thermal anomalies is particularly important for components with zero-defect tolerance.
Automotive suppliers benefit from TherMoPro's ability to monitor production variations in multi-cavity tools, ensuring consistent quality in high-volume production. As the industry increasingly incorporates recycled materials and flame retardants into plastic components, the system's ability to detect and compensate for varying material properties becomes crucial for maintaining quality standards while meeting sustainability goals.
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