Non-destructive testing is the testing of raw materials or parts to achieve defect detection, location, measurement and evaluation without damaging or destroying the purpose and function of the object being tested. It is also generally called NDT (Non-Destructive Testing), non-destructive testing NDI (Non-Destructive Inspection) or non-destructive testing NDE (Non-Destructive examination), non-destructive evaluation Non-Destructive Evaluation, etc. Compared with other testing methods, non-destructive testing is non-destructive, so it can conduct full inspection on batches of products to be tested, or sample products for testing, but the testing can be repeated.
For many large-scale equipment, the disassembly process is cumbersome and requires a lot of time and labor. At the same time, repeated disassembly and reinstallation will also lead to a decrease in the safety performance of the equipment, so it is very necessary to use non-destructive testing methods. For example, in the aerospace field, non-destructive testing is widely used in daily aircraft maintenance and repair work.
I believe many people are familiar with endoscopy. Many people have personal experience with gastroscopy, colonoscopy, and otolaryngoscopes among medical equipment. Industrial endoscopes are endoscopes used for inspection of industrial equipment or industrial components. Common ones include electronic scopes, fiber optic scopes, and optical scopes.
Electronic industrial endoscopes, also known as industrial video endoscopes, use detection probes to enter the interior of the object being inspected through openings in equipment, components or special hole probes. The front-end camera acquires image signals and displays them on the monitor. Visually visible images. Optical mirrors use a series of optical glass lenses as image transmission media, while fiber optic endoscopes use fiber beams to transmit images and guide light. Electronic industrial endoscopes are commonly used in engines of aircraft, ships, automobiles, gas turbines in power systems, etc. We will continue to introduce you to the differences between these types of industrial endoscopes in detail later. At present, there are many domestic electronic industrial endoscope brand manufacturers, and you can compare them in terms of price, quality, service and other aspects.
Industrial endoscopy plays an important role in the field of non-destructive testing and is a non-invasive testing method. It is a tool used to inspect the internal structure of industrial equipment, pipes, containers, etc., by inserting a flexible probe into the interior of the equipment to obtain image videos. In many industries, such as petrochemical, energy, manufacturing, etc., industrial endoscopes are widely used for regular inspections, fault diagnosis and preventive maintenance.
Applications of industrial endoscopes in the aerospace field:
It is used in the search and elimination of aircraft engine turbine blades, combustion chamber cracks, excess objects inside the body structure frame, detection of internal cavity surface defects such as various oil pipeline welding, various pipeline weld surfaces, pipe surfaces, and engine Cylinders, fuel pipes, hydraulic components, and nozzle components. Due to the extremely complex structure of aeroengines, routine maintenance and inspection cannot always be done through disassembly to troubleshoot problems. This requires an endoscope, commonly known as a "borescope" to complete regular inspections.
In aerospace, it is mainly used in the research and development, manufacturing, and assembly of rocket engines, welding welds inside the rocket cavity, quality control such as inspection of casting sand inclusions, burrs, and staggered holes, and defect inspection of key parts such as flight navigation systems.
Applications of industrial endoscopes in rail transit:
With the continuous development of high-speed railways, endoscopes are increasingly used for endoscopic inspection of various foreign high-speed railways and domestic CRH models. Endoscopes have shown indispensable importance in gearbox detection, ventilation systems, internal castings, etc. of high-speed trains.
Applications of industrial endoscopes in automobile manufacturing:
In the field of automobile maintenance and manufacturing, in order to avoid the increase in costs caused by engine disassembly, industrial endoscopes are widely used for visual inspection inside the engine; through the use of industrial endoscopes, the internal components of the engine can be detected efficiently and intuitively. Carbon, wear, abnormal noise causes, corrosion and other faults. In the engine manufacturing stage, industrial endoscopy has also become one of the means of routine quality control.
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