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Nondestructive testing can determine the physical properties of materials, such as ductility, tensile strength and fracture toughness. We usually use non-destructive testing to determine the reliability and integrity of the product in order to control the whole manufacturing process. In addition, the government's safety regulations are increasingly stringent in terms of quality control, reliability and safety of machine performance, while manufacturers'demand for improving machine quality and life is also increasing. These are the main factors contributing to the development of the global nondestructive testing equipment market. However, compared with the rapid development of equipment market, the lack of non-destructive professional and technical personnel is a difficult problem that we have to solve urgently.

The global inspections ndt equipment market is subdivided according to various nondestructive testing technologies, which are divided into ultrasonic testing, radiation testing, electromagnetic testing, visual testing and other testing technologies (including magnetic particle testing and penetration testing). Ultrasound testing equipment occupies a dominant position in the market. The main factor driving the growth of ultrasonic testing equipment market is its wide application in steel and aluminium materials, construction, manufacturing, aerospace, national defense and automotive industries.

According to the region, North America dominates the global inspections ndtequipment market, accounting for about 35.77% of the total market share. Large investments in energy industries such as oil and gas are the main drivers of North American market growth. At the same time, Europe's equipment market is the second largest in the world, and its demand for global inspections ndtequipment will also be further enhanced in our future forecast stage. The demand for modernization of oil and gas and power generation industry is the main factor to promote the development of European market. The automotive industry is likely to make a significant contribution to Europe's future equipment market. And we expect the Asia-Pacific region to be the fastest growing region by 2021.

BKN has ndt testing equipment,if you want to buy it,you can contact us.

There are many testing methods for ndt wire rope tester, including ultrasonic testing, ray testing, acoustic emission testing, eddy current testing, electromagnetic testing, mechanical testing, acoustic testing, current testing, optical testing, vibration testing, etc. Until recent years, electromagnetic testing is the main method in the testing of ndt wire rope tester, and the other non-destructive testing technology is still limited to the laboratory research stage.

In view of LF type defect of local damage, magnetic flux leakage detection principle is adopted, that is, the defect of wire rope is detected by leakage magnetic field at the broken wire of wire rope.

In view of LMA type defect of metal cross-section area loss, the main magnetic detection method is adopted, that is, the change of metal cross-section area of wire rope is detected by measuring the magnetic flux passing through the inside of wire rope.

According to the different working principle of electromagnetic detection method, its magnetization can be divided into AC magnetization, DC magnetization and permanent magnetization. Because of its small size, light weight, convenient use and low detection cost, especially the development and application of new permanent magnet materials in recent years, the advantages of permanent magnet magnetization detection device are more obvious, so a large number of permanent magnet magnetization methods are used in electromagnetic detection method.

The commonly used sensor types are Hall element sensor and induction coil. In practical use, the output signal of Hall sensor is not affected by the moving speed of sensor, and the volume of Hall element is small, which has great advantages in measuring small gap space magnetic field. Therefore, the ndt wire rope tester has been widely used.

If you want to buy ndt device and do eddy current testing,welcome to call us,someone will answer the phone anytime.

Ndt inspection equipment is widely used in industry, such as aerospace, nuclear industry, weapon manufacturing, machinery industry, shipbuilding, petrochemical industry, railway and high-speed train, automobile, boiler and pressure vessel, special equipment, customs inspection, etc.

Many products need Ndt inspection equipment, especially X-ray nondestructive testing equipment. Usually, we can use X-ray for non-destructive testing of automobile parts, non-destructive testing of precision casting parts, non-destructive testing of alloy parts, non-destructive testing of cylinder head, slices, fan blades, ductile iron, compression parts, etc. X-ray can be used to detect on-line pore, inclusion, porosity and crack defects in various products. It improves yield and reduces defective products. X-ray nondestructive testing technology can be said to be widely used. The main characteristics of X-ray Ndt inspection equipment are: high resolution, high definition; small parts testing; highly integrated system, high cost performance; compact equipment, small area; high detection accuracy, small defects can be found; Higher detection image quality; Safety guarantee of equipment operation; With multi-purpose, it can customize fixture. Humanized software design, easy to operate; it is customized according to customer needs, providing solutions; all-network after-sales service platform; cloud platform, huge data, tracing the origin.

Nanjing BKN Automation System Co., Ltd.,is one of the best non destructive testing equipment manufacturers and non destructive testing equipment suppliers.Our products are widely used in aerospace, electricity, petroleum, natural gas, metallurgical machinery，eddy current testing and automotive industries and we have high proprietory intellectual property rights patent technology.

The system is suitable for the automatic detection of various internal and external defects of steel pipes. The principle of ultrasonic flaw detection is that after the ultrasonic wave is coupled into the steel pipe through water, the incident propagation will cause ultrasonic reflection when there is a defect in the pipe. The ultrasonic instrument will alarm the ultrasonic reflected signal after realizing the signal to realize the automatic detection of the defect; Transmission ultrasonic equipment is currently the advanced detection equipment in China.

Wireless Transmission Ultrasonic Pipe Testing Equipment Introduction

Rotating probe configuration

1. Probe configuration on the spindle section 1

A total of 3 probe adjustment frames are placed on section 1 at 120°apart.  Each of the adjustment frames is equipped with a 2-channel combined ultrasonic line focusing longitudinal probe to detect longitudinal defects of the steel tube in a clockwise direction.

Detection of defects: Vertical and vertical defects in the steel pipe are detected in a clockwise direction.

Center frequency: 5.0MHz±10%

Coupling method: water immersion method

Quantity: 3 sets of probes, each consisting of 2 wafers. These 3 sets of probes are evenly distributed in the circumferential direction of the workpiece, spaced 120° apart, on the same section. A total of 6 channels of water immersion probes.

2.Probe configuration on the main shaft section2

A total 3 probe adjustment frames are placed on section2, separated by120°, and a 2-channel combined ultrasonic line focusing longitudinal probe is arranged on each adjustment frame to detect longitudinal defects of the steel pipe counterclockwise.

Detection of defects: counter-clockwise detection of longitudinal defects inside and outside the steel pipe.

the center frequency: 5.0MHz ± 10%

coupling method: water immersion method

Quantity: 3 sets of probes, each consisting of 2 wafers. These 2 sets of probes are evenly distributed in the circumferential direction of the workpiece, spaced 120° apart, on the same section. A total of 6 channels of water immersion probes.

Defect detection standard

Inspection of Longitudinal and Transverse Defects in Ultrasound Steel Pipe: GB/T5777-2008 L2(C5) Standard

Wireless Transmission Pipe Ultrasonic Flaw Detector Performance 

BKN is an eddy current testing benchmark enterprise and has long been committed to the development and production of bearing hardness and crack eddy current screening equipment. Always feel free to inquiry!

Magnetic flux leakage test refers to the formation of a leakage magnetic field on the surface of a test piece after it is magnetized due to defects on the surface or near-surface of the test piece. People can detect defects by detecting changes in the leakage magnetic field.

Briefly describe the magnetization of ferromagnetic components. In the magnetic non-destructive testing, magnetization is the first step to realize the detection, which determines whether the leakage magnetic field signal can be generated, and also affects the performance characteristics of the detection signal and the structural characteristics of the detection device.  Like magnetic particle inspection, magnetization is achieved by a magnetizer, including both a magnetic source and a magnetic circuit.  The magnetic source and the magnetic circuit change depending on the structure of the member to be tested.

What kind of magnetization can be divided into several categories? The magnetization methods can be generally divided into five categories, namely, alternating current magnetization mode, direct current magnetization mode, permanent magnet magnetization mode, composite magnetization mode, and integrated magnetization method.

What are the characteristics of magnetic flux leakage equipment technology?

Because mfl equipment uses magnetic sensors to detect defects, compared with magnetic powder, penetration and other methods, it has the following advantages:

1. It is easy to realize automation. The computer judges the presence or absence of defects based on the detected signals.

2. The fundamentally high detection reliability can solve the influence of human factors in the magnetic powder and osmosis method, and has high detection reliability.  

3. can achieve preliminary quantification of defects.  In the range of wall thicknesses up to 30 mm, the inner and outer wall defects can be detected simultaneously.  In the detection of the pipeline, 5 high-efficiency, pollution-free automated inspection can achieve high detection efficiency.

BKN's portable magnetic flux leakage testing equipment are capable of detecting workpieces efficiently and accurately.

Tubing repair is an important measure to reduce the comprehensive cost of production in oil production plants to improve the quality of repairing tubing. It can ensure the quality of oil and water wells to prolong the inspection cycle, reduce the rework of operations and reduce operating costs.  

As an important process in the tubing repair test line, the mfl tube inspection can accurately and effectively detect the defects in the manufacture and use of the inner and outer wall and the pipe body of the oil pipe to ensure the repair quality of the oil pipe.

Fundamental

When the detected tubing is saturated and magnetized, the magnetic field lines are distorted by the magnetic lines of force at the defect blocking defect, and a part of the magnetic lines leak out of the inner surface of the tube rod to form a leakage magnetic field, and the electromagnetic detecting method for detecting the leakage magnetic field by the detecting element is detected.  Magnetic flux leakage inspection.  

The leakage magnetic field picked up by the probe from the defect is amplified and converted into a digital signal, and then visually reflected by the flaw detector to the display to display the defect signal from the flaw detector, and directly determine the defect type and size of the detected tube rod.

¢73 and ¢89mm tubing eccentric wear and corrosion pits are detected, automatic detection, automatic alarm, automatic identification, automatic alarm.

BKN's new MFI tube magnetic flux leakage inspection machine has high sensitivity to very small defects. It can effectively detect defects such as corrosion pits, eccentric wear on the inner wall of the tubing, thinning of tubing wall, etc.

Moreover, the testing speed is fast and pollution-free, and the detection is fully automated. The computer display screen is used to display the detection curve, automatic alarm, marking (defect of steel pipe), grading of tubing (grade I, II and scrap).

(1) Ndt Application in Automotive Industry -Ultrasound Testing of Automobile Half-axle

Fracture failure of half axle is mainly due to high frequency and low-stress fatigue damage, and the existence of internal defects of workpiece is one of the important reasons for fatigue fracture. Ultrasound can be used to inspect the raw materials of the semi-axle and the semi-finished products after forging.

When diagnosing, the high-frequency electric pulse is transformed into ultrasonic wave by a probe, and the coupling agent enters the half axis. When the incident wave encounters defects (i.e. heterogeneous interfaces), due to its different acoustic properties, the reflected beam will be transformed into high-frequency electric pulse through the probe. After amplification, the position, size and nature of the internal defects in the half-axis can be judged according to the position, amplitude and waveform characteristics of the reflected echo.

(2) Ndt Application in Automotive Industry-Detection of Surface Defects of Parts by Magnetic Powder Testing

Ferromagnetism and surface and near-surface defects of workpiece are displayed by focusing of magnetic powder. The magnetic particle testing technology is used in the inspection of most automobile parts such as crankshaft, camshaft, connecting rod, horizontal tie rod and ball head.

(3) Ndt Application in Automotive Industry-Laser Holographic Testing of Tires

Tire is a multi-layer structure made of rubber, curtain and nylon filament. Impurities are easily mixed in the overlap of the manufacturing process, resulting in defects such as bubbles and delamination. Conventional instruments are difficult to detect. It causes waste products to leave the factory and causes potential accidents.

Holographic technique is to record the specific light wave emitted by an object in the form of interference fringes by using the interference and diffraction principle of light. It is reproduced under certain conditions to form a realistic three-dimensional image of the object. The size of tire defect can be determined by abnormal distortion fringes of hologram, and the depth of tire defect can be determined by the spacing of abnormal fringes. Because the depth of the defect is proportional to the distance between the interference fringes, the deeper the defect is, the greater the distance between the defect and the tire inspection surface, the smaller the displacement reflected on the surface. The interference fringes formed in this way have larger spacing, and vice versa.

BKN is an eddy current testing benchmark enterprise and has long been committed to the development and production of bearing hardness and crack eddy current screening equipment. Always feel free to inquiry!

GSET-551 Steel Wire Eddy Current Flaw Detector Brief

Using the eddy current signal processing method and high-performance DSP algorithm, the NDT wire rope tester detection ability of micro-crack is as high as 0.05mm deep crack.

Using computer digital technology and "digital eddy current detection technology" to achieve high-speed data processing capabilities, detection speed can be reached to 1~500m/min.  Technology can effectively suppress all kinds of interference signals. It has waveform, amplitude, phase, X-axis and Y-axis signals.

The professional "digital filtering" is adopted to effectively suppress the interference signal in the field and ensure the accuracy and stability of the detection.

Features of GSET-551 Steel Wire Eddy Current Flaw Detector

1. LF testing sensitivity

The detector detects the minimum metal cross-sectional area change and the minimum length of the damage length corresponding to the local damage.

2.  LMA testing sensitivity

The detector detects the minimum metal cross-sectional area change and the damage length minimum size corresponding to the metal cross-sectional area loss.

3.  LMA repeatability error

The maximum value of the random error obtained by performing multiple consecutive measurements of the same metal cross-sectional area change in the same test sample under the same test environment and conditions within the instrument range.

4.  LMA linearity error

Within the range of the instrument, the metal cross-sectional area of the test sample is linearly proportional to the absolute value of the maximum deviation between the measured curve of the instrument and the calibration curve fitted by the measured value of the cross-sectional area of the metal.

5.  LMA error of indication

The value of the metal cross-sectional area loss measured by the instrument minus the actual value of the metal cross-sectional area loss within the instrument's range.

6.  LMA linearity error

In the range of the instrument range, under the condition of the length loss of the cross-sectional area of the metal, the cross-sectional area loss of the metal on the wire rope measured by the detector is matched with the value of the loss of the cross-sectional area of a group of wire ropes measured by the instrument. The absolute value of the maximum deviation between the calibration curves.

7. Testing distance resolution

The detector is capable of detecting the resolved minimum distance.

8. Dual function instrument

The detector can detect and display changes in metal cross-sectional area loss (LMA) on one channel, and detect and display local damage (LF) on the other channel. The detector recording device can be a computer, graphic recorder or other matches. device.

9. Single-function instrument

The detector cannot simultaneously detect and display metal cross-sectional area loss changes and local damage, and can only detect and display one of them. The detector recording signal device can be a computer, a graphic recorder or other matching devices.

10. Wire rope electromagnetic tester

The detector principle and composition meet the requirements of the GB/T 21837-2008 standard, and it has a detector for detecting distance display, data storage or recording function.

GSET-551 Steel Wire Eddy Current Flaw Detector performance

Nanjing BOKENA Automation System Co., Ltd., originated from the eddy current testing laboratory of the Nanjing University of Technology. It is one of the most professional ndt testing equipment suppliers in China. We sincerely invite and welcome people from all around the world to invest and create more values together.

Eddy current testing equipment is a non-contact testing method, which mainly uses the electromagnetic field and electromagnetic induction between metals to detect. It is one of the NDT non-destructive testing methods in the industry.

The principle of eddy current testing is that the coil with alternating current is placed on the metal plate to be measured or outside the metal, tube to be measured (see figure). The alternating magnetic field will be generated inside and near the coil, which makes the induced alternating current in the sample appear to be eddy, which is called eddy current. Under certain conditions, the current through the coil is invariable. If the coil is close to the workpiece under test, like a ship in the water, the eddy current will be induced in the workpiece. Under the influence of the eddy current, the coil current will change. Because the size of the eddy current varies with the defect in the workpiece, the change of coil current can reflect the defect in the workpiece.

Eeddy current testing equipment are our flagship products, it contains eddy current testing equipment for tube, bar and wire & eddy current testing equipment for automotive parts and aerospace. Eddy current apparatus equipment for tube, bar and wire including BKNET-999/H Copper Tube Eddy Current Flaw Detector, GSET-551steel wire eddy current testing, BKNET-101 Automatic Eddy Current Flaw Detector, Rod Tube Rotary Eddy Current Flaw Detector ET-R-15/40/65/90, BKNET-01\02 Welded Pipe Eddy Current Flaw Detector, LGET-553 Aluminum Tube Eddy Current Flaw Detector.

Ndt testing equipment for automotive parts and aerospace including BKNFX Pre-Multi-Frequency Eddy Current Hardness Separator, BKNET Series Multi-frequency and Multi-filter Eddy Current Flaw Detector, ET-F1 Engine Cylinder Bore Eddy Current Flaw Detector, GTET-02 Cylinder Liner Eddy Current Flaw Testing Machine, Steel Ball Hardness eddy current separator GQYDFX-01, GZET-01 Roller Automatic Eddy Current Flaw Testing Machine, Roller Hardness eddy current Separator GZYDFX-01, Piston Rod Eddy Current Flaw Detector HSGET-04, HSXET-02 Piston Pin Eddy Current Tester, Precision Axis Eddy Current Flaw Detector JMZET-04, Connecting Rod Hardness eddy current Sorting Machine LGYDFX-01, Hub Bearing Eddy Current Flaw Detector LGTSET-A/B, Bolt Vortex Sorter BKNFX-11, Flame Quenching Valve Rod End Hardness Eddy Current Sorter QMYDFX-01, QTXET-01 Ball Socket Eddy Current Sorter, QTXFX-01Ball Socket Hardness Eddy Current Sorter, SCPET-04 Brake Disc Eddy Current Flaw Detector, TLET-04 Camshaft Eddy Current Flaw Detector, TLZET-99 Camshaft Eddy Current Flaw Detector, Tapered Roller Online Eddy Current Flaw Detector YZGZET-01, Ring Crack and Hardness Combination Flaw Detector TQJC-02.

We are one one of the leading eddy current testing equipment manufacturers, RFQ today.

Eddy current testing technology has been widely used in the detection of metal components in the automotive and aerospace industry. In order to ensure the flight safety of the aircraft, the relevant components must be periodically inspected. The eddy current technology is usually used to detect aero-engine blade cracks, bolts, cracks in the screw holes, multi-layer structure of the aircraft, landing gear, wheels and aluminum skin as the aerospace non destructive testing. And subsurface defects, and used to detect defects in the wing joint weld.  In the detection, it can effectively suppress the shaking of the probe, and the material is uneven and cause interference signals. Metal magnetic memory testing technology can be used to diagnose the stress concentration of the above components or early damage.

Due to the complex geometry of the auto parts, the equipment is required to have a high level of materials and complicated materials, requiring diverse equipment and high precision. In addition, the production of auto parts is a large industrial production, with certain beat monitoring requirements, and only by reducing the testing costs, can we reduce the automobile production and improve the competitiveness in the domestic and foreign markets. With the development of the national economy, the automobile industry has become a pillar industry in China. Therefore, non-destructive testing technology for eddy current flaw detectors for automotive parts is also receiving increasing attention from manufacturers and researchers. At present, the most widely used ndt machine in the detection of automotive parts is the eddy current flaw detector ultrasonic testing method. In the ultrasonic flaw detection of eddy current flaw detectors at home and abroad, the most used type A ultrasonic flaw detector. It adopts A-type ultrasonic display, which has the advantages of simple and cheap equipment, can locate and quantify defects, and is widely used in production inspection.

However, its flaw detection results are not intuitive, no record, difficult to detect, and many human factors. Seriously affect the reliability of detection. Due to the continuous development of computer technology and electronic devices, the digital acquisition and analysis of the ultrasonic signal of the eddy current flaw detector become possible, the waveform can be recorded and preserved, and the ultrasonic detection of the eddy current flaw detector is positive digital signal processing and imaging direction development. Super-generation image technology is a remarkable new technology. The ultrasonic image of the object can provide intuitively and a large amount of information, directly reflecting the acoustic and mechanical properties of the object, and can also evaluate the mechanical properties of the microstructure of the solid material. Suddenly macroscopic discontinuities. In short, the aviation ndt services for automotive parts eddy current flaw detector will develop with the advancement of modern high-tech, to the direction of intelligence, automation and imaging, in order to adapt to the rapid development of modern automobile manufacturing industrial parts quality inspection, testing requirements.

"RQ-120-B Electric Pulse Automatic CNC EDM notch machine" is a precise instrument specially developed by Nanjing BKN Automation System Co., Ltd. for making inspection sample bars. It can be processed by controlled electric sparking method. It can be used to make longitudinal and transverse standard artificial grooves, rectangular blocks with equal depths and circular holes with equal depths on the inner and outer walls of steel tubes and bars.

RQ-120-B  Automatic CNC EDM Notch Introduction

The core part of the equipment adopts high-quality imported components, using modern advanced digital control and servo technology, the wound-making process is fully automated, with high processing accuracy,fast speed, simple operation and the performance is at the international leading level. The whole instrument is portable, easy to carry, and has low requirement for the environment of steel pipe, bar and pipe carving.

Ndt Inspection Equipment Has the Following Features:

1) providing controllable electrical pulse generation and modulation;

2) According to the input incision depth parameter, the incision process is precisely controlled by numerical control and servo system;

3) The electronic control system automatically controls the rise, fall and stop of the guide operating mechanism;

4) Control the output of the processing power supply;

5) Adjust the working state of the instrument, such as the processing voltage, current and the position of the operating mechanism, according to the requirements;

6) Real-time precision display of processing speed and engraved depth value;

7) With manual tool setting and automatic engraving function.

Operating mechanism

The mechanism includes CNC servo micro-special motor, precision screw, precision guide rail, electrode fixture and other devices. Under the control of the cutting ndt testing equipment, the cutter head can move up and down to realize precise conveying.

The magnetic seat ensures that the running mechanism is conveniently and reliably fixed on the sample bar to be processed.

Tool guide rod and tool

According to the requirement of engraving internal injury, the operating mechanism extends the engraved tool to the specified length through the guide rod.

The trauma tool is curved according to the outer diameter of the steel pipe, and the internal tool is made according to the inner diameter of the steel pipe to ensure uniform contact between the entire arc surface and the steel pipe.

RQ-120-B  Automatic CNC EDM Notch Performance

Features of RQ-120-B  Automatic CNC EDM Notch