Laser Bond Inspection System

Non-Destructive Inspection for Bonded Structures

Laser Bond Inspection (LBI) is a nondestructive inspection method for evaluating adhesive bond strength in composite structures. LBI uses a pulsed laser system to generate a controlled stress wave which proof-tests an adhesive bond.

Laser Bond Inspection Process

Laser Bond Inspection is a precision inspection method with high process control. The laser can be calibrated to generate tailored stress waves at selected strength thresholds. These stress waves produce detectable dissociations in weak or substandard bonds, while having no effect on sufficiently strong bonds.

Laser Bond Inspection System

Laser Bond Inspection can be used to develop and evaluate manufacturing processes, and to monitor bond integrity throughout the life of a structure. This NDT method provides controlled, localized structural health monitoring for a wide variety of bonded composite structures. There exists no equivalent laser system in the commercial sector.

Video Overview

LBI Applications

  • Conduct nondestructive inspections in production environments or in the field.
  • Conduct calibrated dynamic strength measurements to identify bondline weaknesses.
  • Identify weak bonds resulting from improper surface preparation or contamination.
  • Identify variations in bond strength across a structure.
  • Identify kissing bonds.
  • Assess damage resistance of bonded composite structures.
  • Evaluate coating adhesion.
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Laser Bond Inspection System

LSP Technologies' mobile Laser Bond Inspection system is designed for maneuverability around an aircraft hangar or shop floor space.

LBI System Features:

  • Eye-safe inspection head
  • Articulating arm beam delivery with reach up to 10 feet
  • Cart-mounted construction for jobsite movement
  • Easy operator controls
  • Integrated EMAT sensor
  • Display screen for process monitoring
  • Amplifier lamps are replaceable without need of realignment

Discover A Reliable NDT Solution

Applications for Laser Bond Inspection

  • Composite structure manufacturing and maintenance
  • Detect weak or substandard bonds
  • Evaluate scarf repairs
  • Evaluate boron patch repairs
  • Detect kissing bonds
  • Evaluate coating adhesion
  • Inspect Pi joints
  • Evaluate damage resistance in bonded composite structures
Discover A Reliable NDT Solution

  1. Laser System - Nd glass
    • Pulse Energy: 10 - 50 J
    • Wavelength: 1054 nm
    • Laser Output Pulse Width: 100 - 300 ns FWHM
    • Pulse Rate: 1/8 Hz
    • ANSI Z136.1 and IEC 60825-1 compliant safety system

  2. Laser System Utility Connections
    • Supply: 208Y120 3Phase, 60HZ, 42A
    • Safety disconnect (Power cord provided with machine: 2AWG 5Wire, 20ft flex Type SO)
    • Purge Air: 80-90 psig Connection: 3/8"NPT
    • Coolant for Air Cooled Chiller System: De-ionized water: 5-6 gallons required for initial fill of closed loop chiller cooling system

  3. Inspection Process Head Utility Connections
    • Process air (for process): 80-90 psig Connection: 1/2"NPT
    • Process water (de-ionized preferred): 50-100 psig Connection: 1/2NPT

  4. Facility Environmental Requirements
    • Ambient Storage Temperature: 35F to 130F
    • Ambient Operating Temperature: 60F to 90F
    • Ambient Humidity (to operate at facility): up to 90 % RH, non-condensing

  5. Transportation and Work Site Requirements
    • Tow connection: Standard Loop-Type Towing Tongue
      • Floor surface conditions:
      • Designed for flat standard factory / aircraft hanger concrete flooring capable of supporting 2500 psi minimum
      • Ramps (due to ground clearance): 1% slope total
      • Grade: .5% Grade max.

  6. Physical Dimensions
    • Overall operational dimensions: W x H x L (in) = 64.5" x 120" x 165"
    • Overall job site transport dimensions: W x H x L (in) = 64.5" x 78" x 192" (Tongue extended)
    • Overall dimensions without trailer: W x H x L (in) = 64" x 68.3" x 89.4"
    • Unit weight with trailer: 9000 lbs.
    • Unit weight without trailer: 6500 lbs.

  7. Warranty
    • One year limited warranty on electrical and mechanical components
    • 90 day limited warranty on optical components

Laser Bond Inspection Podcast

Laser Bond Inspection System Overview

Laser Bond Inspection Demonstration

Laser Bond Inspection is the only nondestructive method for evaluating localized bond strength and detecting kissing bonds.

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