Gearbox Reliability Collaborative High-Speed Shaft Calibration

Jonathan Keller, Brian McNiff

Research output: NRELTechnical Report


Instrumentation has been added to the high-speed shaft, pinion, and tapered roller bearing pair of the Gearbox Reliability Collaborative gearbox to measure loads and temperatures. The new shaft bending moment and torque instrumentation was calibrated and the purpose of this document is to describe this calibration process and results, such that the raw shaft bending and torque signals can beconverted to the proper engineering units and coordinate system reference for comparison to design loads and simulation model predictions.
Original languageAmerican English
Number of pages31
StatePublished - 2014

NREL Publication Number

  • NREL/TP-5000-62373


  • calibrations
  • Gearbox Reliability Collaborative (GRC)
  • gearboxes
  • NREL


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