The R. Wolf Blending Scope is a patented system to abrade FOD’s on the HPC blades (High Pressure Compressor) of aircraft engines or gas turbines. The R. Wolf Blending Scope is the original system with approvals from all important aircraft engine manufacturers.

This in-situ-abrade is a highly cost saving repair method, specially for UER (Unscheduled Engine Removal). The Blending Scope is mostly used when the engine is still on-wing.

The R. Wolf Blending Scope is designed  like a traditional borescope. Its shaft is inserted through the standard borescope ports. A motor drives the tip with the mounted grinding tool up to several thousand rpm. The blending process is observed through an inbuilt high resolution optical lens system either by direct vision through the ocular eyepiece or also via any standard video camera system on a monitor (adapters are available). A wide range of tools for cutting, grinding and polishing are available in various lenghts and forms and can be fitted to the unique patented miniature drive head of the Blending device.

The R. Wolf development engineers together wuth engineers of General Electric/USA and Lufthansa Technic/Frankfurt have developed the Blending Scope to make it mainstream. Available are diameters of 6mm, 10mm, and 11mm, please find below a pdf brochure for all availabe Engine Kits.

The Blending Scope is manufactured in the main facility of Richard WOLF in Knittlingen, Germany. To date, there are worldwide about 500 systems in daily use.

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Endoscopic Perfection

The human eye – one of nature’s miracles – is the most important and often irreplaceable means we have for checking and testing. With the help of endoscopes (borescopes), our sight penetrates into the most hidden spaces – independently of a straight or curved access.

Richard WOLF, being the oldest and one of the biggest endoscope manufacturers in Europe, has paved the way of endoscopy for nearly 100 years. Countless developments, inventions and patents witness the leading position of Richard WOLF – always keeping the focus on investigating and improving optical testing in all branches of the industry.

As representative examples, 5 important milestones in the history of industrial endoscopy may be mentioned: the rotatable light connector, the swivel-prism borescope, the panoramic borescope, the Blending Scope, and most recently the Elastoscope.

Application area Range of employment

• Aircraft………………………………..Engines, structure, turbines
• Aviation and astronautics …………..Tightness, tubes, welding seams
• Boilers, containers, tanks …………..Chemistry, pharma, heating + air condition
• Breweries………………………………Pipes, tubes, valves, vats
• Building + concrete…………………..Overground, underground, redevelopment
• Chemistry ……………………………..Boilers, pipes, reactors, valves
• Electronics …………………………….Circuit boards, electrical parts and units
• Food production ……………………….Boilers, pipes, tubes, vats
• Foundry …………………………………Burrs, core rests, cavities
• Gear boxes ……………………………..Bearings, contact marks, wear
• Heating + air condition………………..Cleanliness, corrosion, leakage
• Machinery/machine manufacture ……Burrs, castings, cavities, gears
• Models …………………………………..Architecture, city planing, manufacturing
• Monument care ………………………..Museums, redevelopment, history of art
• Motor vehicles …………………………Car bodies, engines, gearboxes
• Music instruments………………………Age, bodies, cleanliness
• Offshore platforms (oil + gas)………..Engines, pipes, pumps, tubes
• Pharmaceutical industry ………………Boilers, pipes, reactors, valves
• Pipes……………………………………..Burrs, surface, welding
• Piston engines ………………………….Combustion chamber, cylinder, piston, valves
• Power stations ………………………….Boilers, tubes, steam generators, valves
• Precision mechanics …………………..Grooves, transitions, burrs
• Refineries………………………………..Tubes, valves, welding
• Roots and trees ………………………..Forestry, research
• Ships…………………………………….Engines, pipes, tanks, turbines
• Steel industry ………………………….Bearings, machinery, moulds, pipes
• Tubes ……………………………………Cleanliness, extrusions, fittings
• Turbines………………………………….Combustion chamber, compressor, turbine
• Weapons …………………………………Barrels, flats & grooves, cartridge chamber

  This is but an extract of applications. Many others have been already discovered and some are waiting to be investigated by Richard WOLF endoscopes.

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