GB/T 19873.1-2005 PDF English
US$230.00 · In stock · Download in 9 secondsGB/T 19873.1-2005: Corrosion of Metals and Alloys -- Corrosion Test for Intergranular Corrosion Susceptibility of Low-Cr Ferritic Stainless Steel Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid
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Corrosion of Metals and Alloys -- Corrosion Test for Intergranular Corrosion Susceptibility of Low-Cr Ferritic Stainless Steel
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GB/T 19873.1-2005: Corrosion of Metals and Alloys -- Corrosion Test for Intergranular Corrosion Susceptibility of Low-Cr Ferritic Stainless Steel
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT19873.1-2005
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 17.160
J 04
GB/T 19873.1-2005 / ISO 13373-1:2002
Condition monitoring and diagnostics of machines -
Vibration condition monitoring –
Part 1: General procedures
(ISO 13373-1:2002, IDT)
ISSUED ON: AUGUST 31, 2005
IMPLEMENTED ON: APRIL 1, 2001
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 4
Introduction ... 5
1 Scope ... 7
2 Normative references ... 8
3 Terms and definitions ... 8
4 Vibration condition monitoring ... 9
4.1 General ... 9
4.2 Types of vibration condition monitoring systems ... 9
4.3 Data collection ... 12
4.4 Condition monitoring programme ... 13
5 Measurements ... 15
5.1 General ... 15
5.2 Types of measurements ... 15
5.3 Measurement quantities ... 24
5.4 Measurement accuracy and repeatability ... 26
6 Transducers ... 27
6.1 Transducer types ... 27
6.2 Transducer selection ... 28
6.3 Transducer attachment ... 32
7 Data presentation formats ... 34
7.1 General ... 34
7.2 Baseline measurements ... 34
7.3 Vibration trending ... 36
7.4 Discrete-frequency vibration ... 42
8 Data analysis and communication ... 45
Annex A (informative) Guidelines for types and locations of measurements .. 46
Annex B (informative) Typical information to be recorded ... 53
Annex C (informative) Potential causes of vibration excitations ... 55
Annex D (informative) Conventions for identifying vibration measurement
locations ... 61
Bibliography ... 70
Foreword
GB/T 19873 consists of the following 2 parts, under the general title “Condition
monitoring and diagnostics of machines - Vibration condition monitoring”:
- Part 1: General procedures;
- Part 2: Data processing, analysis, diagnostics, display and general vibration.
This Part is Part 1 of GB/T 19873 “Condition monitoring and diagnostics of machines
- Vibration condition monitoring”.
This Part identically adopts the International Standard ISO 13373-1:2002 “Condition
monitoring and diagnostics of machines - Vibration condition monitoring - Part 1:
General procedures” (English version).
Attention is drawn to the possibility that some of the elements of this Part may be the
subject of patent rights. Issuing organizations of this Part shall not be held responsible
for identifying any or all such patent rights.
Annexes A, B, C and D of this Part are informative annexes.
This Part is proposed by China Machinery Industry Federation.
This Part is under the jurisdiction of National Technical Committee on Mechanical
Vibration and Shock of the Standardization Administration of China (SAC/TC 53).
Drafting organizations of this Part: Zhengzhou Machinery Research Institute, Yangzi
Petrochemical Corporation, Xi'an Thermal Engineering Research Institute Co., Ltd.,
Wuhan University of Technology.
Main drafters of this Part: Jiang Yuanfeng, Song Yingjian, Zhang Xueyan, Wu Qing
and Shi Yonghua.
Condition monitoring and diagnostics of machines -
Vibration condition monitoring –
Part 1: General procedures
1 Scope
This Part provides general guidelines for the measurement and data collection
functions of machinery vibration for condition monitoring. It is intended to promote
consistency of measurement procedures and practices, which usually concentrate on
rotating machines.
Because of the diversity of approaches to condition monitoring, recommendations
specific to a particular kind of monitoring programme will be addressed in additional
Part.
This Part is a basic document which presents recommendations of a general nature,
encompassing
- measurement methods,
- measurement parameters,
- transducer selection,
- transducer location,
- transducer attachment,
- data collection,
- machine operating conditions,
- vibration monitoring systems,
- signal conditioning systems,
- interfaces with data-processing systems,
- continuous monitoring, and
- periodic monitoring.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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