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GB/T 19873.3-2019 English PDF

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GB/T 19873.3-2019: Condition monitoring and diagnostics of machines -- Vibration condition monitoring -- Part 3: Guidelines for vibration diagnosis
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GB/T 19873.3-2019English644 Add to Cart 3 days [Need to translate] Condition monitoring and diagnostics of machines -- Vibration condition monitoring -- Part 3: Guidelines for vibration diagnosis Valid GB/T 19873.3-2019

PDF similar to GB/T 19873.3-2019


Standard similar to GB/T 19873.3-2019

GB/T 19799.1   GB/T 19802   GB/T 19873.1   GB/T 30565   GB/T 19799.3   GB/T 19873.2   

Basic data

Standard ID GB/T 19873.3-2019 (GB/T19873.3-2019)
Description (Translated English) Condition monitoring and diagnostics of machines -- Vibration condition monitoring -- Part 3: Guidelines for vibration diagnosis
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J04
Classification of International Standard 17.160
Word Count Estimation 34,378
Date of Issue 2019-12-31
Date of Implementation 2020-07-01
Quoted Standard ISO 1925; ISO 2041; ISO 7919-1; ISO 13372; ISO 13373-1; ISO 13373-2
Adopted Standard ISO 13373-3-2015, IDT
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration
Summary This standard specifies guidelines for general procedures to be considered when diagnosing vibration faults in rotating machinery, applicable to vibration practitioners, engineers and technicians, and specifies a structured method of analysis that is practical for fault diagnosis. In addition, examples of common failures of various machines are specified.

GB/T 19873.3-2019: Condition monitoring and diagnostics of machines -- Vibration condition monitoring -- Part 3: Guidelines for vibration diagnosis


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Machine condition monitoring and diagnostics Vibration condition monitoring Part 3. Guidelines for vibration diagnostics) ICS 17.160 J04 National Standards of People's Republic of China Machine condition monitoring and diagnostic vibration condition monitoring Part 3. Guidelines for vibration diagnosis (ISO 13373-3..2015, IDT) 2019-12-31 release 2020-07-01 implementation State Administration of Market Supervision Published by the National Standardization Administration

Contents

Foreword I Introduction Ⅱ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Measurement 1 4.1 Vibration measurement 1 4.2 Measurement of machine operating parameters 2 5 Structured diagnostic methods 2 6 Additional analysis and tests 2 6.1 General 2 6.2 No need to change operating parameters 3 6.3 Need to change operating parameters 3 6.4 Changing the physical state of the machine 4 7 Other diagnostic techniques 4 8 Factors to consider when recommending measures 4 Appendix A (Normative appendix) Progress of the method of machine vibration analysis system Table 5 Appendix B (informative) Common installation failures of all machines 10 Appendix C (Informative) Diagnosis of radial fluid dynamic pressure fluid film bearings 17 Appendix D (informative) Diagnosis of rolling bearings 26 References 31

Foreword

GB/T 19873 `` Machine Condition Monitoring and Diagnostic Vibration Condition Monitoring '' has released or plans to release the following sections. --- Part 1. General; --- Part 2. Vibration data processing, analysis and description; --- Part 3. Guidelines for vibration diagnosis; --- Part 9. Motor diagnostic technology. This part is the third part of GB/T 19873. This section is drafted in accordance with the rules given in GB/T 1.1-2009. This section uses the translation method equivalent to ISO 13373-3..2015, Machine Condition Monitoring and Diagnostic Vibration Condition Monitoring Part 3. Vibration Diagnostic Guide. The Chinese documents that have a consistent correspondence with the international documents referenced normatively in this section are as follows. --- GB/T 2298-2010 Vocabulary for mechanical vibration, shock and condition monitoring (ISO 2041..2009, IDT); --- GB/T 6444-2008 Vocabulary for mechanical vibration balance (ISO 1925..2001, IDT); --- GB/T 11348.1-1999 Measurement and evaluation of radial vibration of rotating shafts of rotating machinery-Part 1. General (ISO 7919-1. 1996, IDT); --- GB/T 19873.1-2005 Machine condition monitoring and diagnosis Vibration condition monitoring Part 1. General (ISO 13373-1. 2002, IDT); --- GB/T 19873.2-2005 Machine condition monitoring and diagnosis Vibration condition monitoring Part 2. Vibration data processing, analysis Analysis and description (ISO 13373-2..2005, IDT); --- GB/T 20921-2007 Vocabulary for machine condition monitoring and diagnosis (ISO 13372..2004, IDT). Please note that some elements of this document may involve patents. The issuer of this document is not responsible for identifying these patents. This part is proposed and managed by the National Technical Committee for Mechanical Vibration, Shock and Condition Monitoring (SAC/TC53). This section was drafted by. Zhengzhou Machinery Research Institute Co., Ltd., Huadian Electric Power Research Institute, Guangdong Power Grid Co., Ltd. Electric Power Section Research Institute, National Engineering Research Center of Thermal Power Plant Vibration, Southeast University. The main drafters of this section. Ma Weiping, Huang Haizhou, Liu Shi, Fu Xingjun.

Introduction

This section of GB/T 19873 gives a guide to the general methods to be considered when diagnosing machine vibration faults. Available for vibration Used by practitioners, engineers and technicians and provides useful diagnostic tools. These diagnostic tools include diagnostic flowcharts, process tables, and troubleshooting Fault table, the information in it provides a basic, logical and reasonable step structured method to diagnose machine-related vibration problem. But this does not preclude the use of other diagnostic techniques. GB/T 19873.1 introduces the basic procedures of vibration signal analysis, including. the type and scope of use of sensors, different types of machines Recommended mounting locations, online and offline vibration monitoring systems, and potential mechanical problems. GB/T 19873.2 introduces machine diagnostics, including. description of signal conditioning equipment that requires time-domain and frequency-domain technology, and vibration characteristics In the performance analysis, the most common mechanical operation phenomena or the waveforms and characteristics of mechanical failures are encountered. This section provides a general guide to a range of machines. Guidance for specific machines is given in other parts of GB/T 19873. GB/T 19873 does not define the vibration limit.The vibration limit is in GB/T 11348 (all parts) on the shaft and GB/T 6075 (all parts). Min) Details of non-rotating parts. Machine condition monitoring and diagnostic vibration condition monitoring Part 3. Guidelines for vibration diagnosis

1 Scope

This section of GB/T 19873 gives a guide to the general procedures that should be considered when diagnosing the vibration faults of rotating machinery, and is applicable to the vibration industry Engineers, engineers, and technicians, and provides a practical structured analysis method for fault diagnosis. It also gives a variety of different machine See fault example. Note. Guidance for specific machines is provided in other parts of GB/T 19873.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. ISO 19251) Mechanical Vibration-Balancing-Vocabulary 1) The revision will be ISO 21940-2. ISO 2041 Vocabulary for Mechanical Vibration, Shock and Condition Monitoring (Mechanicalvibration, shockandconditionmonito- ring-Vocabulary) ISO 7919-1 Measurement and Evaluation of Radial Vibration of Rotating Shafts of Rotating Machinery Part 1. General (Mechanicalvibrationofnon- reciprocatingmachines-Measurementsonrotatingshaftsandevaluationcriteria-Part 1. General guidelines) ISO 13372 Vocabulary for Condition Monitoring and Diagnosis of Machines- Vocabulary) ISO 13373-1 Machine condition monitoring and diagnostics Vibration condition monitoring Part 1. General (Conditionmonitoring and diagnosticsofmachines-Vibrationconditionmonitoring-Part 1. Generalprocedures) ISO 13373-2 Machine condition monitoring and diagnostics Vibration condition monitoring Part 2. Vibration data processing, analysis and description (Con- ditionmonitoringanddiagnosticsofmachines-Vibrationconditionmonitoring-Part 2. Processing, analysisandpresentationofvibrationdata)

3 terms and definitions

The terms and definitions defined in ISO 1925, ISO 2041 and ISO 13372 apply to this document.

4 Measurement

4.1 Vibration measurement Reliable measurements are a necessary basis for using this section (see reference [1]). There are generally three types of vibration measurements. a) Vibration measurements on non-rotating parts, such as accelerometers or speed sensors, for bearing housings, machine housings or machine foundations

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