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Traceability in Torque Measurement

E-3: Round Table TC3 Moderator: A. Sawla & D. Peschel. Traceability in Torque Measurement. D. Peschel Torque lab PTB, Germany www.ptb.de. E-3: Round Table TC3 Moderator: A. Sawla & D. Peschel. Traceability in Torque Measurement.

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Traceability in Torque Measurement

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  1. E-3: Round Table TC3 Moderator: A. Sawla & D. Peschel Traceability in Torque Measurement D. Peschel Torque lab PTB, Germany www.ptb.de

  2. E-3: Round Table TC3 Moderator: A. Sawla & D. Peschel Traceability in Torque Measurement • About the influences on the calibration results obtained on calibration systems with supported or unsupported beams (Diedert Peschel)16:35 - 17:05 • Discussion on calibration results for alternating torque in comparison with single cw and acw torque calibrations (Dirk Röske)17:05 - 17:35 • Aspects of traceability of torque transducers in power test stands(influence of speed of rotation, on-site calibration, ...)(Georg Wegener)17:35 - 18:05 • Conclusions XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Peschel Torque lab PTB, Germany www.ptb.de

  3. E-3: Round Table TC3 Moderator: A. Sawla & D. Peschel Traceability in Torque Measurement • About the influences on the calibration results obtained on calibration systems with supported or unsupported beams (Diedert Peschel)16:35 - 17:05 • Discussion on calibration results for alternating torque in comparison with single cw and acw torque calibrations (Dirk Röske)17:05 - 17:35 • Aspects of traceability of torque transducers in power test stands(influence of speed of rotation, on-site calibration, ...)(Georg Wegener)17:35 - 18:05 • Conclusions XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Peschel Torque lab PTB, Germany www.ptb.de

  4. About the influences on the calibration results obtained on calibration systems with supported or unsupported beams Important specific aspects in such applications are among others: In case of using supported beams and adaptation of the test piece with couplings with low stiffness for bending the calibration will realised under pure torque conditions. Unsupported beams generate additionally bending moment and side force so that the calibration conditions are very different from pure torque conditions. XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Peschel Torque lab PTB, Germany www.ptb.de

  5. Realisation of a supported beam in a torque standard maschine About the influences on the calibration results obtained on calibration systems with supported or unsupported beams Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Peschel Torque lab PTB, Germany www.ptb.de

  6. Realisation of a unsupported beam in a torque calibration maschine About the influences on the calibration results obtained on calibration systems with supported or unsupported beams Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Peschel Torque lab PTB, Germany www.ptb.de

  7. S100 N·m= 1,3 mV/V lcalibr. Beam= 333 mm F100 N·m = 300 N bcf = 1,5 % About the influences on the calibration results obtained on calibration systems with supported or unsupported beams Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Peschel Torque lab PTB, Germany www.ptb.de

  8. Entwurf VDI/VDE 2630 Sensoren für Schraubsysteme Anweisungen für die Rückführbare Kalibrierung in Anlehnung an DIN 51309 Project: VDI/VDE 2630 Sensors for srew systems requirements for traceable calibrations in accordance to DIN 51309 6 x 60° with80 N step 1 step 2 for step 1 only 10 % of the force read out from the diagram to measure the parameter bcf(sensitivity for parasitic forces and moments) transducer 1000 N·m with 80 N radial force or 0,1 x bcf 10 x bcf About the influences on the calibration results obtained on calibration systems with supported or unsupported beams Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Peschel Torque lab PTB, Germany www.ptb.de

  9. E-3: Round Table TC3 Moderator: A. Sawla & D. Peschel Traceability in Torque Measurement • About the influences on the calibration results obtained on calibration systems with supported or unsupported beams (Diedert Peschel)16:35 - 17:05 • Discussion on calibration results for alternating torque in comparison with single cw and acw torque calibrations (Dirk Röske)17:05 - 17:35 • Aspects of traceability of torque transducers in power test stands(influence of speed of rotation, on-site calibration, ...)(Georg Wegener)17:35 - 18:05 • Conclusions XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  10. ·10-4 ·10-4 ·10-5 ·10-5 ·10-4 ·10-4 Calibration results for alternating torque in comparison with single cw and acw torque calibrations XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  11. ·10-4 ·10-4 ·10-5 ·10-5 ·10-4 ·10-4 Calibration results for alternating torque in comparison with single cw and acw torque calibrations XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  12. ·10-4 ·10-4 ·10-5 ·10-5 ·10-4 ·10-4 Calibration results for alternating torque in comparison with single cw and acw torque calibrations XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  13. ·10-4 ·10-4 ·10-5 ·10-5 ·10-4 ·10-4 Calibration results for alternating torque in comparison with single cw and acw torque calibrations XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  14. ·10-4 ·10-4 ·10-5 ·10-5 ·10-4 ·10-4 Calibration results for alternating torque in comparison with single cw and acw torque calibrations XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  15. ·10-4 ·10-4 ·10-5 ·10-5 ·10-4 ·10-4 Calibration results for alternating torque in comparison with single cw and acw torque calibrations XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  16. ·10-4 ·10-4 ·10-5 ·10-5 ·10-4 ·10-4 Calibration results for alternating torque in comparison with single cw and acw torque calibrations XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  17. ·10-4 ·10-4 ·10-5 ·10-5 ·10-4 ·10-4 Calibration results for alternating torque in comparison with single cw and acw torque calibrations XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  18. Calibration results for alternating torque in comparison with single cw and acw torque calibrations ·10-4 ·10-4 ·10-5 ·10-5 ·10-4 ·10-4 XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  19. Calibration results for alternating force in comparison with single tension and compression calibrations XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Röske Torque lab PTB, Germany www.ptb.de

  20. End of this presentation. Thank you for your kind attention! XVII IMEKO WORLD CONGRESS Cavtat-Dubrovnik, Croatia, June 22-27, 2003 D. Peschel Torque lab PTB, Germany www.ptb.de

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