EloWheel – RPT17 Aircraft Wheel Inspection System

Our new RPT17 Aircraft Wheel Inspection System is developed and manufactured in Germany. The system is the successor of the RPT16 - which is fabricated in the US and still placed on the market - and provides numerous innovations. Aircraft rims are are exposed to high mechanical loads, especially during take-off and landing. Additionally enormous thermal stresses occur while applying the brakes after touching down. Thus rims of both, civil aircrafts as well as military aircrafts, have to be inspected for any damages according to the regular maintenance intervals. Regions of maximum stresses, e.g. the bead seat radius and the bore holes, are of special interest. Using a modern eddy current testing instrument, the surface as well as the volume of the wheel rims is inspected by both, a high frequency and a low frequency probe simultaneously.

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  • stand alone (basic version) with flat turn table
  • version with conveyor rollers on the turntable, for easy integration into an existing conveyor line (with manual feeding of the wheel rims)
  • version with automized conveyor rollers on the turn table, for easy integration
    into an automatic conveyor line (automatic feeding and unloading of the wheels)
  • robust welded steel section frame with four solid screw-in feet (to be used to adapt the system to the height of the existing conveyor belt)
  • removeable side panels
  • sliding differential aircraft wheel probe featuring approx. 10 mm (0.39″) active area
  • area of inspection: all the way up to the end of the bead seat radius
  • reference defect: depth 0.76 mm (0.03″) x length 1.52 mm (0.06″) x width 0.1 mm (0.004″);
    EDM notches, tangentially and axially oriented
  • sliding absolute aircraft wheel probe (combined with the surface probe)
  • area of inspection: up to the beginning of bead seat radius
  • inspection of “break key” section
  • reference defect: approx. 25 % reduction of wall thickness (from the inside)
  • C-Scan-recording (EloWheel scan software)
  • off-line evaluation (ScanAlyzer-package, option)
  • data based file system incl. search functionen
  • inspection protocol (PDF format)  with up to 2 customer logos, generated on-line or off-line
  • height: max. 500 mm (wheel rim halves)
  • diameter: max. 800 mm
  • weight: max. 250 kg (550 lbs)
  • max. speed of rotation: 120 rpm
  • inspection cycle (automatic sequence): approx. 25 s (small rims), max. 1.5 min (large rims, main landing gear)

System Data

  • robust steel section frame (welded construction)
  • turn table with pneumatic wheel centering device
  • precise linear axes
  • combined HF/LF-probe
  • control cabinet with integrated PLC
  • eddy current testing instrument (Elotest IS500-RPT)
  • Windows-PC (WIN 7 / WIN 10) with touch screen and network connection (Ethernet)
  • printer (option)
  • bar code reader (option)
  • ambient temperature: 10 – 40 °C (50 – 104 °F)
  • air humidity: 5 – 80 %
  • required space (excluding control cabinet): ca. 1290 x 1440 mm (W x D)
  • electrical connection: 400 V ~ / 1,5 kVA
  • compressed air: min. 6 bar (87 psi), 1/4”, clean, dry
  • max. duration of inspection cycle: 2 min per rim (incl. transfer)
  • remote maintenance via Internet access
  • safety technology (e.g. laser fence security system)
  • CE-compliant documentation
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Dillinger manufactures technologically outstanding and versatile heavy plates at the traditional Saar location. References in a wide variety of application areas are available worldwide. Especially for pipeline applications, the HST test procedure developed by ROHMANN supports the precision and consistently high quality of Dillinger products. Dillinger Hütte

Eisenwerk Brühl GmbH specializes in the development and mass production of cast iron engine blocks for the automotive industry. The company is one of the most important suppliers of cast iron ZKG for the passenger car sector. To secure the production process, i.e. for the detection of material defects, hand and line testing devices from ROHMANN are used. Eisenwerk Brühl GmbH

As a subsidiary of the Etihad Aviation Group, the company offers services in the areas of line, light and heavy maintenance. The largest service provider for commercial aircraft in the field of maintenance, repair and operation in the Middle East, uses both the ELOTEST M2 handheld tester and the ELOWHEEL 1000 rim tester (RPT16) for inspecting their aircrafts. Etihad Airways Engineering

Stüken is the world market leader for deep-drawn components, punch and deflection parts of maximum precision and reliably high quality. For automated quality assurance, i.e. for the detection of material and structure defects, Stüken uses line testing equipment, e.g. the ELOTEST PL600 from ROHMANN. Hubert Stüken GmbH & Co. KG

Lufthansa Technik offers a complete service for aircraft technical services, such as maintenance, overhaul and testing of engines and chassis. In addition to the robot-based ELOSCAN test systems, Lufthansa Technik AG also uses sensors and portable test equipment from ROHMANN at several locations in Germany. Lufthansa Technik AG

NKT is a well-established and global supplier of turnkey DC and AC cable systems, providing world-class energy transport with innovative cable solutions. To ensure the quality of its own products, NKT uses the line tester ELOTEST IS500 from ROHMANN. NKT Group GmbH

Siemens Power Generation Services provides worldwide service solutions for gas or steam turbines, generators or wind turbines to increase the efficiency, reliability and operational flexibility of plants. In its global maintenance services, the company uses a.o. the ROHMANN handheld tester ELOTEST M3. Siemens

As a traditional aviation manufacturing and maintenance company, Zeppelin offers professional QM services to the global aviation industry, the automotive industry and mechanical and plant engineering. For the aerospace sector, Zeppelin carries out ZFP training courses using ROHMANN handheld testers Elotest M3, test probes and calibration standards. Zeppelin Systems GmbH

ZF is a leading global technology group in driveline and chassis technology as well as active and passive safety technology. ZF uses a wide range of innovative solutions from ROHMANN for various testing tasks in the field of crack and structural testing. ZF Friedrichshafen AG