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GB/T 41095-2021Mechanical vibration - Methodology for selecting appropriate machinery vibration standards (English PDF)

机械振动选择适当的机器振动标准的方法

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

December 31, 2021

Implementation date

July 1, 2022

Scope

GB/T 41095-2021 is the English-translated version of 机械振动选择适当的机器振动标准的方法.

GB/T 41095-2021 is the Chinese standard "Mechanical vibration - Methodology for selecting appropriate machinery vibration standards".

Its scope clause reads: This document provides guidance for the selection of appropriate vibration criteria for a specific machine type, thereby selecting appropriate vibration measurement and evaluation methods: probably GB/T 6075, GB/T 11348 and other standards related to machine vibration are described: This document gives an overview of the relevant standards and summarizes their scope of application: It also provides useful instructions for machines without previous experience: A theoretical basis for determining whether to perform vibration measurements on non-rotating components, rotating shafts, or both: Since there may be Characteristics exist that lead to the selection of different most appropriate measurement methods, and this document is not intended to supersede the manufacturer's or user's existing actual Experience: The purpose of this document is not to equip the reader with all the technical details of the criteria required to perform measurement and evaluation work on a particular machine, but The reader is guided to select the appropriate criteria, which give the necessary details: Then, with proper training, the reader will be able to Measure or evaluate work:. Its clauses include terms and definitions.

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Document preview — GB/T 41095-2021

National Standard of the People's Republic of China

Classification: J 04

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Evaluation of machine vibration
5 Measured on non-rotating parts
6 Measure on rotating parts
7 Related Standards
8 Analytical guidance for selecting appropriate vibration criteria for a specific machine
Appendix A (Informative) Mechanical Vibration Standards by Application
Appendix B (Informative) Bearing Dynamics
Appendix C (Informative) Base Dynamic Stiffness
Appendix D (Informative) Examples of Typical Values for Bearing and Base Dynamic Stiffness
Appendix E (informative) Combined dynamic stiffness of bearing components and bases

1 Scope

This document provides guidance for the selection of appropriate vibration criteria for a specific machine type, thereby selecting appropriate vibration measurement and evaluation methods: probably

GB/T 6075, GB/T 11348 and other standards related to machine vibration are described:

This document gives an overview of the relevant standards and summarizes their scope of application: It also provides useful instructions for machines without previous experience:

A theoretical basis for determining whether to perform vibration measurements on non-rotating components, rotating shafts, or both: Since there may be

Characteristics exist that lead to the selection of different most appropriate measurement methods, and this document is not intended to supersede the manufacturer's or user's existing actual

Experience:

The purpose of this document is not to equip the reader with all the technical details of the criteria required to perform measurement and evaluation work on a particular machine, but

The reader is guided to select the appropriate criteria, which give the necessary details: Then, with proper training, the reader will be able to

Measure or evaluate work:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document:

GB/T 2298 Mechanical Vibration, Shock and Condition Monitoring Vocabulary (GB/T 2298-2010, ISO 2041:2009, IDT)

GB/T 6444 Mechanical Vibration Balance Vocabulary (GB/T 6444-2008, ISO 1925:2001, IDT)

3 Terms and Definitions

The terms and definitions defined in GB/T 6444 and GB/T 2298 and the following terms and definitions apply to this document:

3:1

Shaft absolute vibration shaftabsolutevibration

Shaft vibration measured in absolute coordinates:

3:2 shaft relative vibration

Shaft vibration measured on sensor support (eg bearing housing):

3:3

Pedestal vibration pedestalvibration

Vibration of the bearing support structure:

3:4

Bearing dynamic stiffness dynamicsstiffnessofbearing

The stiffness of the bearing component taking into account damping and mass effects:

GB/T 41120 | GB/T 41119 | GB/T 41105.2 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 44 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 2041 · ISO 1925

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