MAJOR SECTORS OF FOCUS

Aerospace Industry

Dhvani research is an approved vendor with leading aerospace industries and has supported them in,

  • Inspection of aluminium and composite sandwiched honeycombed structures
  • Inspection of CFRP and GFRP composite structures
  • Inspection of composite lining to metal
  • Composite barrel inspection
  • Composite tube inspection

Automobile

Dhvani research systems cater to various quality inspection needs of the automotive industry across different platforms including

  • Transmission components friction welding inspection.
  • Automotive bearing inspection.
  • Aluminium casting inspection.
  • Connecting rod inspection.
  • Piston head inspection.
  • Spot weld inspection.

Oil and gas Industry

Dhvani research has been instrumental in developing solutions to several problems related to the oil and gas industry

  • Robotic crawler for the detection of corrosion under annular plate of the storage tanks.
  • Robotic crawler for detecting corrosion under the pipe supports.
  • System to identify the hydrogen induced cracks in pipes.
  • Robotic crawler for advanced PAUT FMC TFM scanning.
  • Robotic scanner for the thickness mapping.

Power generation

Dhvani research has supplied systems that improve efficiency, runtimes and output by reducing downtime significantly to the ever challenged energy industry

  • Steam trap failure inspection and SHM.
  • Inspection of switch gears and brazing.
  • Inspection of bus bars solder quality.
  • Semiconductor inspections.

Manufacturing industry

Dhvani has supported the manufacturing industry with systems measuring the material integrity with conventional techniques to systems doing online inspections using advanced NDT techniques like PAUT and TFM methods

  • Inspection system for the evaluation of castings according to various standards like ASME, AMS etc.
  • Inspection system for large forging structures weighing up to 10 tonnes.
  • Inspection system for the cleanliness evaluation of steel.

Academic and Industrial R&D

Dhvani research has supplied several standard and customized systems for academic as well as industrial research.

  • Table top X Y systems.
  • Immersion system with multiple configurations.
  • Advanced software with multiple user requested features.
Immersion Ultrasonic C-Scan System for the Evaluation of Composites
  • Three axis servo motor powered gantry
  • Computer controlled motion
  • Sample holding work bench with levelling
  • Layer by layer data analysis
  • Support for air coupled UT and Lamb
  • Multi UT Instrument support
  • Through-Transmission and Pulse Echo Modes
  • Capable of customizations
Automatic Shell Inspection System
  • 5 Channel Ultrasonic Testing With report generation
  • Circummferential CW and CCW , Lateral FWD and Rev,Normal
  • Articulated robot for shell handling with a maximum pay load of 120 kgs
  • Synchronized verdict marking
  • Ultrasonic Scanning
Multi-Axis Computer Controlled Air Coupled Ultrasonic System
  • Dual Tower Design
  • Modular and Rigid Construction
  • servo motor powered control system
  • Remote Pendant with touch screen display
  • X-axis Linear motion, Y-axis Linear motion, Z-axis Linear motion
  • Pan axis motion
  • Tilt axis motion
  • Supports Flat, Single curvature and double curvature scans
  • Teach and learn support
  • CAD geometry Import Support
  • Multi UT Instrument Compatible
  • Live C scan Generation
  • Image Processing tools to enhance the defects
Evaluation of Pipeline & Pressure Vessel Steels for Resistance to Hydrogen Induced Cracking
  • 3 Channel acquisition with 3 transducers focussed at 1/4, 1/2 and 3/4 of material thickness
  • Fixture for placing the samples repeatedly and accurately
  • Servo motion system with scanning speeds upto 500 mm/s
  • Manual motion for the Z axis to adjust the water path for individual transducers
  • Automatic water path calculation and verification
  • Automatic file saving as per the sample ID
  • Rugged frame for stability
  • Automatic report generation
  • Zone wise analysis and defect sizing
X Ray Inspection System for Aluminium Castings
  • Robotic controlled pick and place mechanism
  • Computer controlled X Ray ramp up
  • Voltage and current value for each shot set automatically
  • Automatic and manual modes of operation
  • Automatic defect recognition
  • Parallel ADR processing to improve cycle time
  • Sentencing by the end of inspection through ADR
  • Production line machine capable of continuous operation
  • Customizable and flexible design options
Ultrasonic scanner system for case to insulation interface inspection SDSC SHAR
  • System to inspect the case to insulation bonding.
  • Capable of scanning samples with diameter upto 3.2 meters and length upto 11 meters.
  • Indigenous custom built software.
  • Sophisticated bubbler mechanism with multiple degrees of freedom.
  • Continuous supply of couplant.
  • PAUT and Conventional UT adapters for bubblers.
  • Alarm synchronization to stop on defect detection.
  • Automatic report generation with defect locations.
  • Flexible scan plan generation.
Ultrasonic system for cleanliness evaluation of Steel according to SEP 1927 and ASTM E 588- JSW Salem
  • System for cleanliness evaluation of steel.
  • Inspection according to SEP 1927 , ASTM E 588 and Custom standards.
  • Capable of scanning steel billets of diameter ranging from 0.03 to 0.15 meters and length up to 1 meter.
  • Capable of scanning steel bars of sections ranging from 0.06 to 0.13 meters and length up to 1 meter.
  • Advanced probe holder for normalizing the probe wrt sample.
  • Automatic report generation upon scan completion.
  • Multiple UT instrument support.
  • Specialized sample holding fixtures.
Timken, Jamshedpur - High speed bearing scanner
  • Go-No go testing
  • Live c-scan plots
  • Motorised probe angulations for curved wall scanning
  • Customized software for production line operation.
  • Scanning speeds of 5 min/bearing*
  • Scanning resolutions of 0.02 mm
  • Oil & water resistant cables, superior cable harness
  • IP rated control towers
  • Customizable UT hardwares
L&T Ahmednagar – 3 axis scanner for ultrasonic immersion testing
  • Live c-scan plots
  • Max scanning speed of 300 mm/s
  • Scanning resolutions of .03mm
  • Customized software for defect sizing
  • Customizable UT hardwares
Orlikon-Graziano , Greater Noida - Automobile component testing machine
  • Production line compatible
  • water& oil proof cables and superior harnessing
  • Non-corrosive machine components
  • IP rated Control tower
  • GO-No go testing
  • minimum operator intervention
Automated Phased Array Ultrasonic Inspection System for Barrels and Breech Ring (Ordinance factory , Kanpur)
  • Production line Phased array automatic inspection plant.
  • Scans barrels of length up to 10 m and diameter up to 0.45 m.
  • Scans cuboid components of dimensions up to 0.8x0.8x2 m.
  • Capable of handling jobs up to 8 tonnes.
  • Linear speeds upto 250 mm/s and rotary upto 50 rpm.
  • Sophisticated fixture to accommodate barrels of different designs.
  • Rugged and tough rollers.
  • Stainless steel immersion tank.
  • User friendly operator console for trouble free operation.
  • Control system with contour following capability.
  • 3D visualization of acquired data.
  • Automatic job sentencing at the end of inspection.

Technology Verticals

  • Ultrasound
  • Radiography (2D/3D)
  • Visual Testing
  • Liquid Penetrant Testing
  • Magnetic Particle Inspection
  • Phased Array Ultrasound
  • Time of Flight Diffraction
  • Pulsed Eddy Current