FlawHunter NDT System

Figure 1 – FlawHunter Laser Shearography NDT System being used on an Aluminium Sandwich Component indicating disbonding between the aluminum skin and foam core.

The FlawHunter is an integrated NDT inspection device, equipped with an advanced, high-resolution Laser Shearography sensor with a vacuum (partial) excitation system. It is ergonomic & easy-to-use and is equipped with a workflow-oriented, GUI-display and left/right-hand button control. Regardless of the application, the FlawHunter provides reliable and resolute measurement results for in-field (service) NDT and quality control (post-production) operations.
It can be used on any material & surface provided a stable vacuum can be generated within the vacuum seal (viewable inspection area).

Figure 2 – FlawHunter being used on a vertically mounted CFRP Laminate/Sandwich Component indicating multiple localized impact damage locations of disbonds and crushed cores.
Figure 3 – FlawHunter dimensions

The FlawHunter has a fully-integrated control electronics, as such there are no external connections to PCs, electronics, vacuum pump/s, and/or hoses.
The system only requires 1 connection to an external power source.
It weighs 9 kgs (20 lbs) and can inspect 320 mm x 230 mm (12.6 ‘‘ x 9 ‘‘) within a maximum of 10 seconds* (including*; placement, clamping & measurement), yielding an inspection rate of 0.44 m²/min (4.7 ft²/min)!
The vacuum pump typically requires 3-5 seconds to reach a steady vacuum level.

The FlawHunter can be equipped with either; a 3.2 MPx (standard) / 5 Mpx (optional), 12-bit, GigE camera with a (respective) maximum frame rate of 37 / 24 Hz. The internal sensor has a fully SW–controllable, automatic shearing piezo. Using the 4+4 Phase Shifting technique in conjunction with stable vacuum control via the integrated vacuum pump & controller, users can set the vacuum (pressure) level down to -11 kPa with a tolerance of +/- 0.05 kPa.
The result yields measurement images with the best definition and clarity with minimal noise.

Figure 4 – FlawHunter being used on a CFRP Laminate Component indicating a localized artificial defect.

Components

Laser Shearography User Training

Laser Shearography User Training

This course is provided on our eLearning platform and consists of four learning modules, complete with documentation, videos, tutorials, charts and quizzes
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Application Notes

Hulls and Rudders – Marine NDT – Video

Hulls and Rudders – Marine NDT – Video

This presentation is an overview of Laser Shearography applications used for the inspection of Hulls & Rudder in…
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Wind Power: Rotor Blade NDT – Video

Wind Power: Rotor Blade NDT – Video

This presentation is an overview of Laser Shearography applications used in Wind Power for Rotor Blade NDT, examples…
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Laser Shearography Applications in Aerospace NDT: Coatings & Feltmetal Seals – Video

Laser Shearography Applications in Aerospace NDT: Coatings & Feltmetal Seals – Video

This presentation is an overview of Laser Shearography applications used in Aerospace NDT, examples include: cork-metal bonding, carbon-fiber…
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Laser Shearography Applications in Aerospace NDT: Rotor Blades – Video

Laser Shearography Applications in Aerospace NDT: Rotor Blades – Video

This presentation is an overview of Laser Shearography applications used in Aerospace NDT, examples include: aluminium honeycomb components.
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Laser Shearography NDT for Aerospace NDT – Video

Laser Shearography NDT for Aerospace NDT – Video

In this webinar video, we explain the technology of Laser Shearography, the defect detectability & advantages that the…
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Wind Turbine Blade Inspection using Shearography

Wind Turbine Blade Inspection using Shearography

The high demand for Green Energy is causing a rapid increase in the production rate of turbine blades.…
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Automatic Shearography Inspection System for Helicopter Rotor Blades

Automatic Shearography Inspection System for Helicopter Rotor Blades

Dantec installed a fully automatic inspection system for helicopter rotor blades in the aerospace industries. The system is…
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Laser Shearography NDT of Aerospace Composites

Laser Shearography NDT of Aerospace Composites

Over the last few decades,the aerospace industry has turned increasingly to carbon composite structural materials to make aircraft…
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Helicopter Rotor Blade NDT Inspection with Laser Shearography and Vibration Excitation

Helicopter Rotor Blade NDT Inspection with Laser Shearography and Vibration Excitation

Rotor blades need to withstand high rotation speeds and dynamic bending forces to enable the high manoeuvrability of…
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