NDT Blog Official Blog of Borescope IT Inc.

15Aug/100

Interesting Facts About Borescopes

Posted by Jason Alvarado

With its great uses, borescopes are becoming more and more popular and useful. Many professionals use this gadget in their everyday jobs. Individuals like mechanics and engineers have their works done easily because of borescopes. There are many types of borescopes and if you are going to use one, you should choose the right type to acquire.

These gadgets can let you take a look at remote areas of equipment or a building. There is a reflecting mirror on one end of it that enables you to look from the other side. This mirror is perfectly crafted like those being used in cameras. The tubing is composed of optic mechanism that enables the images to travel to the eyepiece for the user to see.

There are two types of borescopes which are flexible and rigid. There is also a third one which is not commonly used but as effective. This is called the semi-flexible borescope. The main difference among borescopes is found in the optical relay.

About Rigid Borescopes

The rigid borescope's tube will not bend. You can also find rigid tubes that are ninety degrees. These are the two types that are widely used and are best-sellers. There are other angles as well, but are rarely being sold. If you found one, you can encounter a very heavy price tag. There are several lenses on the tube that enables the user to see the images from the inspected material. Borescopes gives the best quality inspection images. If your inspected equipment is compatible, you should use a rigid borescope in order for you to have the clearest image possible.

About Flexible Borescope

Flexible borescopes uses optic fibers for it to transmit images from the lens to the user. There are separate fiber optic strands that are also being used to transmit light from the light source to illuminate the subject to be inspected. The image quality when using fibers is sacrificed but the flexibility is met. For many users, they always want to have the best image which is a result of high resolution lenses. To get good results from the image transmission, you should choose a borescope that has more than 10,000 pixels or even more.

The fuzzy image produced by flexible borescope is because of the contrast between black and white. Because of its flexibility and ease of use, this borescope is more expensive than the rigid ones.

Market Sectors That Use Borescopes:

1.) Borescopes are widely used by aircraft mechanics. This is to prevent future repairs in internal combustion turbines. The operating lives of the compressors of a jet engine and fuel components are preserved by inspecting those using borescopes.
2.) Diesel engines are more prone to engine wear. By using borescopes, auto and diesel engine mechanics are able to prevent engine breakups and future damages.
3.) Machinists can have convenience in their finished material. Before they give it back to their customers, they can make everything sure by using a borescope.
4.) The accuracy of guns is also being ensured by using a rigid borescope.
5.) Another major use of borescopes is the inspection of building walls and ceilings. This can give data on the structural integrity of a building like water and molds.
6.) Borescopes are also used for medical purposes as well. A particular borescope being used in a human body is referred to as endoscope.


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14Mar/100

General Information About Flexible Fiberscopes

Posted by Viktor Zhuromskyy

Flexible FiberscopeA fiberscope is a flexible fiber optic bundle with an eyepiece at one end, and a lens at the other. It is used for inspection work, often to examine small components in tightly packed equipment, when the inspector cannot easily access the part requiring inspection. The lens is often a wide-angle lens, and the eyepiece is occasionally instead connected to a camera. Some fiberscopes use an additional fiber to carry light from an external source to illuminate the material being inspected, for clearer viewing. All fiberscopes introduce a certain amount of image distortion; much of this is similar to the distortion of modern night vision equipment. Quartz fiberscopes can reach lengths of up to about 90 m (300 ft). Fiberscopes are used in medicine, machining, computer repair, espionage, locksmithing, safecracking, and computer forensics, among many other uses.


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14Mar/100

General Information About Rigid Borescopes

Posted by Viktor Zhuromskyy

Borescopes are a must in any inspection type of job, where certain physical characteristics (size, surface condition) must be examined. A borescope allows the person to view a magnifying image of a remote object. Here is how it works. This optical device consists of a rigid or flexible tube with an eyepiece on one end, an objective lens on the other linked together by a relay optical system in between, which is surrounded by optical fibers that illuminate the remote object. But this is not how things always used to be. Initially, the technology was quite different. Prior to 1960, borescopes used hot and often dangerous incandescent lamps at the distal (working) end.Rigid Borescopes

Today's advanced borescopes use fiber optic illumination in the scope body and can connect either directly with portable LED Light Sources or stand-alone XENON, Metal Halide or Halogen light sources for portable operation or the brighter wall powered light sources. Some of the more popular brands that produce borescopes are Hawkeye, Karl Storz, Olympus, Richard Wolf.

With the help of a borescope, you can get a clear view at something that is otherwise inaccessible. Bore scopes can be either a rigid (industrial endoscope) or flexible (fibrescope, flexible borescope).

Flexible borescopes also are called Fiberscopes - because their relay optical system that transfer image consist of thousands of tiny fibers (fiber optic image bundle). Rigid borescopes (bore scope) are like fiberscopes, but aren't flexible and a produce an image of higher quality, which makes them more suitable for tasks such as inspecting automotive cylinders, fuel injectors, hydraulic manifold bodies. Rigid or flexible borescopes may be fitted with a magnifying device and a way to illuminate the work being inspected, usually illumination fibers contained in the insertion tube of the borescope. The eyepiece may be fitted with a coupler lens to allow the borescope to be used with imaging devices such as a video or CCD camera, so called borescope viewer. Furthermore, borescopes can be used for rifle inspection and precision shooting as well.

With a borescope, you as a viewer can look from every available corner and hard to reach areas as well as inspect object from different angles, by manipulating a tip of the fiberscope and pass along the corners. Currently, 1,2 or 4 way articulation fiberscopes are made. Rotate it in a given direction and you will get a 360 degree view.

This type of tool will save you a lot of time, because with it, you won't have to dismantle the object, instead you can do a close-up interior inspections using the borescope.


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