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Gilardoni X-ray and Ultrasounds

Gilardoni was born in 1947 from a courageous initiative of Dr. Ing. Arturo Gilardoni founded on quality and dedicated to innovation

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Italy

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Overview

Gilardoni was born in 1947 from a courageous initiative by Dr. Ing. Arturo Gilardoni who wanted it to be based on research, based on quality and dedicated to innovation. Its research laboratories are recognized, with a specific ministerial decree, as "highly qualified".

Today Dr. Ing. Gilardoni's vision has produced a company that is among the leading manufacturers of X-ray and ultrasound equipment, present in three different sectors: medical, safety and non-destructive testing (NDT). Gilardoni considers itself an industry of great potential oriented towards a national and international market, capable of offering excellent products, assisting the customer accurately.

The radiological sector in the medical, safety and industrial fields is characterized by a high scientific-technical content and rapid evolution, due to continuous innovation. In particular, the need to contain costs imposes on the Manufacturer the task of producing ever more efficient systems; Gilardoni aims at this objective by operating on two fronts, namely:

  • Requalification of the production process, adoption of new materials and application of innovative technologies to increase the cost-effectiveness of the product in the face of improved quality and reliability;
  • Expansion of plant performance in terms of diagnostic reliability and functional efficiency for the reduction of operating times and improved productivity of the departments.
Products & Services
DIGITAL THICKNESS GAUGES

DG 51

MULTIFUNCTIONAL ULTRASOUND THICKNESS GAUGE

DG 51 is a latest generation ultrasonic thickness gauge, characterized by limited weight and dimensions, great autonomy and high reliability. It has a wide range of functions including measurement with the eco-echo technique, indispensable in the case of painted walls, self-calibration through automatic recognition of the connected probe, data logger and extensive gain adjustment.


DG 51 has been designed both for routine surveys and for more complex analyses, such as those of painted surfaces, and is particularly suitable in all those sectors where it is essential to produce a detailed report of the surveys carried out. In practice, the possibility of optimizing the gain in relation to the surface conditions and/or the state of corrosion is often essential: DG 51 offers a wide regulation (≈ 40dB) and applies the automatic correction of the V-shaped path, already set up for steel carbon, stainless steel and aluminum, in order to guarantee high precision. Signals of non-coupling and underthickness are available, with display showing the lowest value detected. DG 51 is designed for use with underwater case.

TECHNICAL FEATURES

  • Measurement technique: Transmission-echo and eco-echo
  • Measurements: Thickness and speed
  • Measurement range: From 0.5 to 600 mm (Fe)
  • Probe recognition: Automatic
  • Self-calibration: Upon probe recognition
  • Calibration: On 5 or 25 mm
  • Velocity range: From 1000 to 9999 m/sec.
  • Unit of measurement: mm or inch

DG 51 B

MULTIFUNCTIONAL ULTRASOUND THICKNESS GAUGE

DG 51 B is a latest generation ultrasonic thickness gauge, characterized by low weight and dimensions, great autonomy and high reliability. DG 51 B works with a wide range of double probes and offers self-calibration through automatic recognition of the connected probe, a wide range of gain adjustment and the possibility of recording data and re-reading them on the display.


DG 51 B has been designed for routine surveys even in cases where gain regulation is essential in relation to surface conditions and/or the state of corrosion. The automatic V-path correction, already set up for carbon steel, stainless steel and aluminum, allows for high precision. Signals of non-coupling and underthickness are available, with display showing the lowest value detected.

TECHNICAL FEATURES

  • Measurement technique: Transmission-echo
  • Measurements: Thickness and speed
  • Measurement range: From 0.7 to 600 mm (Fe)
  • Probe recognition: Automatic
  • Self-calibration: Upon probe recognition
  • Calibration: On 5 or 25 mm
  • Velocity range: From 1000 to 9999 m/sec.
  • Unit of measurement: mm or inch
SHEAROGRAPHY

Gilardoni, in collaboration with the Dantec Dynamics company  , has decided to offer its customers another method of non-destructive testing: Shearography.

Checking with shearography turns out to be complementary in some cases and substitute in others for the checks that Gilardoni has been offering with experience for over 75 years:  x-rays and ultrasounds.

Shearography is an optical method and is based on the surface deformation of the component under examination, deformation obtained by applying a stress. The system compares the unstressed image with the stressed one, the result is a phase map representing an "out of plane" deformation field. The sensor, the heart of the system, is sensitive to changes in laser light interference and is capable of detecting displacements on the order of micrometres.

solicitation methods

used to induce deformation can be:

  • Thermal stress which usually only heats the sample up to 15°C above ambient temperature
  • Vacuum (partial) excitation works from 50 mbar (5 kPa) to 150 mbar (15 kPa)
  • Vacuum excitation works from 50 mbar (5 kPa) to 150 mbar (15 kPa). It is possible to carry out the stress method both on a localized area of ​​the sample (partial vacuum), and on the entire surface of the sample by placing it in a special chamber (ambient vacuum).
  • Acoustic and mechanical vibrations.

The shearographic system consists of:

– A sensor which includes

  • A laser source that is used to create a pattern of diffracted spots on the surface of the sample
  • Internal cutting optics used to create a 2nd offset cut imageA camera that is used for imaging the change in fringe intensity between the reference and the jagged image

– A PC & SW for data processing, archiving and control

An excitation system, such as: thermal excitation (heat) or vacuum excitation

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