• Order Analysis with imc WAVE rotation

The acquisition and analysis of rotating as well as reciprocating machines with imc WAVE rotation enables the analysis of measurement data via a reference variable, for example the rotational speed.

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Online results

  • Measuring modules for highly accurate (temporal resolution of 256 MHz) acquisition of time or frequency information using digital counters.
  • Speed calculation from sine and pulse signals
  • Revolution-dependent synchronous resampling
  • Order spectrum as 3D over the revolutions or the rotational speed
  • Classification and display of the order spectrum over the rotational speed or another measured variable
  • FFT spectrum over time, rotational speed or another measured variable
  • Display of single orders

Typical applications

  • Measurements and analysis during run-up and run-down of rotating machines
  • Measurements and analysis at constant speeds for monitoring multiples.
  • Product qualifications
  • Product optimizations in the development area
  • Quality assurance for end-of-line
  • Holistic investigations of causes, propagation paths and effects on rotating machines with any physical measured variables such as sound, acceleration, speed, displacement, torque, torsion via pulses, forces, pressures, temperatures, digital bus data, e.g. CAN bus, and many more.

Frequently Asked Questions

How do vibrations occur on machines?

Vibrations originate in in- and out-movements of machines and rotating machines and machine components, for example of pistons, compressors, rotors, shafts and rollers, as well as gearboxes and pumps. The amplitude and the frequencies depend on the natural frequencies and stiffness. Additional shocks that are caused by damage to individual components are additionally provoking vibrations on machines. Based on their amplitudes and frequencies, machine and component faults can be detected and localized, for example: unbalance, rolling bearing damage or misalignment.

Which sensors are needed for a measurement?

  • Speed sensors
  • Speed sensor with pulse output e.g. 360 pulses per revolution, for connection to an imc incremental encoder input (counter).
  • Speed sensor outputs proportional voltage or current (4...20 mA), for connection to an analog input.
  • IEPE sensors for acceleration, vibration velocity, displacement sensors, microphones, forces, pressures.
  • All sensors must be acquired time-synchronized and can then be calculated and displayed in the online imc WAVE.

Can the order analyzer be combined with other imc WAVE analyzers?

All functions of the analyzers can be calculated simultaneously. So it is also easy to display a sound spectrum or an envelope analysis over the rotational speed.

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