ISO 13373-2:2016
Condition monitoring and diagnostics of machines — Vibration condition monitoring — Part 2: Processing, analysis and presentation of vibration data
Condition monitoring and diagnostics of machines — Vibration condition monitoring — Part 2: Processing, analysis and presentation of vibration data
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 34
- Дата публикации:
- 12 января 2016 г.
- Издание:
- ISO IS 13373 edition 2 version 1
- ICS:
- 17.160
ISO 13373-2:2016 recommends procedures for processing and presenting vibration data and analyzing vibration signatures for the purpose of monitoring the vibration condition of rotating machinery, and performing diagnostics as appropriate. Different techniques are described for different applications. Signal enhancement techniques and analysis methods used for the investigation of particular machine dynamic phenomena are included. Many of these techniques can be applied to other machine types, including reciprocating machines. Example formats for the parameters that are commonly plotted for evaluation and diagnostic purposes are also given. ISO 13373-2:2016 is divided essentially into two basic approaches when analysing vibration signals: the time domain and the frequency domain. Some approaches to the refinement of diagnostic results, by changing the operational conditions, are also covered. ISO 13373-2:2016 includes only the most commonly used techniques for the vibration condition monitoring, analysis and diagnostics of machines. There are many other techniques used to determine the behaviour of machines that apply to more in‑depth vibration analysis and diagnostic investigations beyond the normal follow‑on to machinery condition monitoring. A detailed description of these techniques is beyond the scope of ISO 13373-2:2016, but some of these more advanced special purpose techniques are listed in Clause 5 for additional information. For specific machine types and sizes, the ISO 7919 and ISO 10816 series provide guidance for the application of broadband vibration magnitudes for condition monitoring, and other documents such as VDI 3839 provide additional information about machinery‑specific problems that can be detected when conducting vibration diagnostics.
Abstract
Overview
ISO 13373-2:2016, "Condition monitoring and diagnostics of machines - Vibration condition monitoring - Part 2: Processing, analysis and presentation of vibration data," gives recommended procedures for processing, analyzing and presenting vibration data used to monitor the vibration condition of rotating machinery and to support diagnostics. The standard describes commonly used signal enhancement and analysis methods (time‑domain and frequency‑domain approaches), offers example parameter formats for plotting and trending, and outlines refinement techniques such as changing operational conditions to improve diagnostic clarity.
Key technical topics and requirements
ISO 13373-2 focuses on practical, widely‑used techniques rather than exhaustive specialist methods. Core topics include:
- Signal conditioning: analogue and digital systems, digitizing techniques, integration/differentiation, RMS measurement, dynamic range and calibration, filtering.
- Time‑domain analysis: time waveforms, beating, modulation, envelope analysis, narrow‑band envelope monitoring, shaft orbit and d.c. shaft position, transient vibration, impulse detection, damping, time‑domain averaging.
- Frequency‑domain analysis: Fourier transform basics, leakage and windowing, frequency resolution and record length, amplitude modulation (sidebands), aliasing, synchronous sampling, spectrum averaging, logarithmic (dB) plots, zoom analysis, differentiation/integration of spectra.
- Display and presentation: Bode (amplitude/phase), polar/Nyquist diagrams, cascade/waterfall plots, Campbell diagrams.
- Advanced and supporting methods: real‑time analysis, order tracking, octave/fractional‑octave analysis, cepstrum, and a list of additional special‑purpose techniques (Clause 5) for more in‑depth investigations.
The standard recommends procedures and formats for plotting and trending parameters used in condition monitoring programs; it does not attempt to cover every specialized analytic technique.
Practical applications and users
ISO 13373-2 is intended for professionals who implement or perform vibration condition monitoring and diagnostics, including:
- Vibration analysts and reliability engineers
- Maintenance planners and asset managers
- Condition monitoring programme designers
- Rotating machinery OEMs and test engineers
- Instrumentation and data‑acquisition vendors Typical applications:
- Trending broadband vibration for early fault detection
- Diagnosing unbalance, misalignment, bearing faults, resonance and other dynamic issues
- Developing measurement procedures, selecting transducers and signal conditioning
- Interpreting spectra, envelope signals and order‑tracking results to prioritize corrective maintenance
Although focused on rotating machinery, many techniques apply to reciprocating machines and other equipment types.
Related standards
- ISO 13373-1: General procedures for vibration condition monitoring
- ISO 13373-3: Guidelines for vibration diagnosis
- ISO 7919 and ISO 10816 series: guidance on broadband vibration magnitudes and machine size/type application
- VDI 3839: machinery‑specific diagnostic guidance
Keywords: ISO 13373-2, vibration condition monitoring, vibration data processing, time domain analysis, frequency domain analysis, envelope analysis, condition monitoring standard, rotating machinery diagnostics.
Технические детали
- Технический комитет
- ISO/TC 108/SC 2 - Measurement and evaluation of mechanical vibration and shock as applied to machines, vehicles and structures
- SKU
- ISO 13373-2:2016
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