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PrintRite3D IPQA® for DED Monitoring

  • Melt pool intensity is captured and monitored in real time using multiple photodiode sensors integrated with the machine optics.
  • Proprietary algorithms convert raw data into engineering-based quality metrics to define melt pool quality.
  • Raw data is captured at 200KHz, product quality visualizations in 2D and 3D
  • Automatic anomaly alerts notifications, production status dashboard and SPC quality trend charting.
  • Sigma builds and delivers a complete, stand-alone, PrintRite3D system for retrofit or OEM.
  • Patented technology.
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PrintRite3D Solutions Enable Users of 3D Metal Additive Manufacturing Systems to Improve Quality, Reduce Costs and Increase Throughput.
  • Real-time defect detection
  • OEM brand-independent
  • Third-party quality assurance
  • Single, dual, quad laser systems
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DED Basics

Directed energy deposition (DED) is based on a laser process in which a laser beam generates a melt pool on a substrate. An additional metallic powder material is transported to the melt pool, where it becomes molten. Due to a feed movement, the molten material cools down and welding tracks are formed.

By placing weld tracks side by side and on top of one another, a buildup can be obtained. You can then generate three-dimensional structures by depositing one layer or track at the top of another already welded layer or track

Why You Need Monitoring for DED

  • DED additive technology is growing in acceptance and importance for high-end applications such as space and aviation.
  • Increased use in research and production requires improved process stability and better understanding of process conditions.
  • Large variety of parameters leads to high complexity and requires a deep understanding of the process.
  • Temperature distribution inside the melt pool contains information about process parameters.
  • Understanding the effects of variations in laser power, scanning speed and powder feed rate are critical to process stability.
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