The FLAW HUNTER TPT 120 is a semi-automatic ultrasonic testing trolly specifically designed for rapid and reliable lamination test of large steel plates and sheets with thicknesses ranging from 5 mm to 200 mm. This four-channel system efficiently detects plate lamination defects using dual crystal probes and Water Gap coupling, achieving scan speeds up to 30 m/min with 100mm coverage. Real-time A-Scan and strip chart displays, coupled with audible/visual alarms, ensure immediate plate lamination defect identification. The user-friendly software enables comprehensive data management and reporting. Ideal for industries requiring thorough lamination testing, the TPT 120 provides a cost-effective and efficient solution for quality assurance, minimizing risks associated with plate lamination defects.1
Conversely, Pejvak Rayan Company also possesses a strip inspection system. Th system, leveraging a sophisticated automation framework and an increased number of channels and probes, automatically tests various types of steel strips.2
Steel plates and sheets, as vital raw materials in various critical industries such as the construction of oil and gas transmission pipelines, the production of CNG cylinders, pressure vessels, and heavy metal structures serve a wide range of applications. Therefore, in accordance with reputable international standards, performing non-destructive ultrasonic testing to identify plate lamination defects and other internal discontinuities in these products prior to their entry into the manufacturing and final conversion processes is essential. Indeed, this precise inspection enables the early detection of potential defects during the production process for both manufacturers and buyers, thereby effectively preventing the occurrence of unfortunate incidents and financial losses resulting from the improper performance of manufactured components. Consequently, the lamination test is crucial for ensuring the integrity of these materials.1
With the continuous advancement of Non-Destructive Testing (NDT) technologies, ultrasonic testing has become one of the most powerful and efficient methods for detecting internal flaws, especially in lamination tests of steel plates and sheets.1
By transmitting high-frequency sound waves into the material and analyzing their reflections, this method allows for the accurate determination of the location, size, and type of defect without causing any damage to the material’s structure. Consequently, it has found widespread use in related industries. The lamination test is a key application of this technology.2
In the process of ultrasonic testing for plate lamination defect, a probe or transducer transmits ultrasonic waves of a specific frequency into the inspected part. These waves, after propagating through the material and encountering internal surfaces, including the bottom surface, internal defects (cracks, cavities, inclusions, and lamination), or density variations, are reflected and received by the same probe or other receiving probes.1
The ultrasonic waves received by the probe are converted into electrical pulses and sent to the ultrasonic testing instrument. This ultrasonic testing instrument performs complex processing, such as amplification and filtering, on the received electrical signals and displays them on its screen.2
By precisely analyzing the transit time of the waves and the amplitude of the reflected signals, the instrument can accurately calculate the depth, location, and estimate the size of defects present in the part. The plate lamination defect test relies on this analysis.3
plate lamination
The FLAW HUNTER TPT 120 is an advanced ultrasonic testing trolley that is designed and manufactured for the semi-automatic ultrasonic testing of plate lamination defects in large-sized steel sheets and plates. Since these products often have considerable dimensions—sometimes reaching up to 4 meters in width and 12 meters in length—and because they are consumed in high volumes daily in pipe manufacturing plants and other related industries, manual ultrasonic testing encounters limitations in terms of speed, accuracy, and coverage, and is therefore practically unfeasible.1
However, while fully automatic systems equipped with a large number of channels and probes, as well as complex automation components, are available, their implementation demands a very high initial investment.2
The Lamination Ultrasonic Testing Trolly TPT 120, which utilizes a mobile structure (trolly) and four independent ultrasonic channels equipped with four dual-crystal (T/R) probes, each having a crystal length of 28 mm, offers a cost-effective and efficient solution for inspecting plate lamination defects.1
Moreover, it employs the Water Gap technique for coupling ultrasonic waves, which not only optimizes couplant consumption (typically water) but also prevents direct abrasion of the probes against the plate surface. In addition, the optimized arrangement of the four probes with a 10% overlap enables 100 mm coverage of the plate width in each scan, thereby ensuring complete surface inspection along the entire length of the part. Therefore, this Ultrasonic Testing Trolly is specifically designed for lamination test applications.2
For reduced weight and The main body of the device is made of lightweight and durable aluminum alloy to reduce weight and increase maneuverability during movement. Furthermore, all components of the device are protected with an electrostatic powder coating to enhance lifespan and resistance to environmental factors, minimizing the possibility of corrosion and rust. t
lamination test, plate lamination defec
Utilizing both dual crystal and single crystal probes, this system performs lamination test s on sheets and plates with thicknesses ranging from 5 to 200 mm. It is capable of detecting a Flat Bottom Hole with a diameter of 3 mm (FBH Ø 3mm) at various depths, from a minimum of 3 mm below the surface to as close as 2 mm from the back surface of the part.1
This device allows the user to conduct inspections at an adjustable scanning speed of up to 30 meters per minute, greatly enhancing inspection speed and efficiency compared to traditional manual methods.2
The Ultrasonic Testing Trolly streamlines the lamination test process and The test results for each channel are recorded separately on a strip chart, and upon detection of any defect, the device’s audible and visual alarms are activated, alerting the operator to the presence of a discontinuity.1
This software processor of this system is an industrial laptop with a metal protective case, ensuring stability and reliable performance in industrial environments.2
The user-friendly software of this ultrasonic testing trolly, with its diverse capabilities, allows for the adjustment of test parameters, simultaneous display of A-Scan and Strip Chart, manual input of test information (including plate number, test time, and operator details), data saving, and the generation of inspection reports and facilitates comprehensive lamination test procedures. lamination test, plate lamination defect
Corrosion resistant
Easy to use
Audible and visual alarms
Test result recording
High testing speed
Ability to scan plate edges
No external power source required
High resolution in near-surface areas
No probe abrasion due to Water Gap
Uses water as a couplant
High sensitivity in defect detection
Robust and stable structure
High repeatability of results
General Specifications of the Ultrasonic Testing Trolley for Lamination Test and Defect Inspection on Plates, Model Flaw Hunter TPT 120 | |
Feature | Specification |
Device Capability | lamination test – Detection of plate lamination defects |
Number of Channels | 4 Channels |
Alarm System | Audible and visual alarms |
Display System | Simultaneous display of A-SCAN, Strip Chart |
Testing Speed | High-speed testing capability, 1 to 40 meters per minute |
Electronic Boards | 4-channel electronic boards equipped with FPGA microprocessor |
Couplant | Equipped with a stainless steel couplant tank and related connections |
Device Processor | Industrial laptop |
Coupling Failure Warning | If any probe or cable is disconnected, the coupling failure alarm light turns on, informing the operator |
Probes | 4 T/R probes with a frequency of 4 MHz, along with special cables manufactured by Pejvak Rayan Company |
Calibration Storage | Ability to store up to 5000 different calibrations and settings in the device memory and recall them |
Test Result Recording | All received signals are manually recorded on the Strip Chart for each channel, indicating the plate number, test time, and operator details, and are exportable |
Power Supply | Two batteries with 8 hours of continuous operation capability (one in operation and one spare) |
Device Dimensions | 1200 × 400 × 1150 (L × W × H) mm |
Device Weight | Approximately 110 kg, including the couplant tank |
Device Operating Temperature | 4 to 50 degrees Celsius |
lamination test, plate lamination defec
With over a two decade of experience and expertise, Pejvak Rayan is a trusted manufacturer of advanced ultrasonic testing and inspection systems. If you’re looking for precision, reliability, and cost-efficiency، our solutions are built for you.1
Our systems are engineered with the latest technologies and comply with international standards. They are designed for high-accuracy flaw detection and fast processing, compatible with various metal products including pipes, billets, rebars, ingots, sheets, and plates.2
We believe advanced technology should be accessible. That’s why our pricing is highly competitive — especially for companies across Asia — while maintaining superior performance and build quality.3
Our expert engineers provide on-site installation and full training to ensure your team maximizes the system’s potential from day one.4
We don’t stop at delivery. Our dedicated support team offers technical assistance, spare parts, and repair services to keep your operations running smoothly.5
Serving clients across Asia — from Turkey, Pakistan, and the Middle East to India, Southeast Asia, and Central Asia — we are ready to be your reliable partner in ultrasonic testing.1
Experience world-class technology with region-friendly pricing
Contact us today for a free consultation and learn how Pejvak Rayan can upgrade your quality control process
plate lamination
For more information, please send your request to info@pejvakrayan.com
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