GB/T 2889.3-2020 English PDF

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GB/T 2889.3-2020: Plain bearings - Terms, definitions, classification and symbols - Part 3: Lubrication
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2889.3-2020	494	Add to Cart	3 days	Plain bearings - Terms, definitions, classification and symbols - Part 3: Lubrication	Valid

Similar standards

GB/T 18329.1   GB/T 2889.6   GB/T 35087   GB/T 2889.5   GB/T 2889.2   GB/T 2889.1   

Basic data

Standard ID: GB/T 2889.3-2020 (GB/T2889.3-2020)
Description (Translated English): Plain bearings - Terms, definitions, classification and symbols - Part 3: Lubrication
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J12
Classification of International Standard: 21.100.10
Word Count Estimation: 26,227
Date of Issue: 2020-04-28
Date of Implementation: 2020-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 2889.3-2020: Plain bearings - Terms, definitions, classification and symbols - Part 3: Lubrication

---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.
Plain bearings--Terms, definitions, classification and symbols--Part 3. Lubrication ICS 21.100.10 J12 National Standards of People's Republic of China Plain bearing terms, definitions, classifications and symbols Part 3. Lubrication Part 3. Lubrication (ISO 4378-3..2017, IDT) 2020-04-28 release 2020-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

GB/T 2889 is divided into the following 6 parts. --- GB/T 2889.1 Sliding bearing terms, definitions, classification and symbols Part 1. Structure, bearing materials and their properties; --- GB/T 2889.2 Sliding bearing terms, definitions, classification and symbols Part 2. Friction and wear; --- GB/T 2889.3 Sliding bearing terms, definitions, classification and symbols Part 3. Lubrication; --- GB/T 2889.4 Sliding bearing terms, definitions and classification Part 4. Basic symbols; --- GB/T 2889.5 Sliding bearing terms, definitions, classification and symbols Part 5. Application of symbols; --- GB/T 2889.6 Sliding bearing terms, definitions, classification and symbols Part 6. Abbreviations. This part is Part 3 of GB/T 2889. This section was drafted in accordance with the rules given in GB/T 1.1-2009. The translation method used in this part is equivalent to the use of ISO 4378-3..2017 `` Sliding bearing terms, definitions, classification and symbols Part 3. Run slip". Compared with ISO 4378-3..2017, the following editorial changes have been made in this section. --- Added index. This part is proposed by China Machinery Industry Federation. This part is under the jurisdiction of the National Sliding Bearing Standardization Technical Committee (SAC/TC236). This section was drafted by. China Machine Productivity Promotion Center, Shanghai Jiaotong University, Linan Dongfang Slide Bearing Co., Ltd. Xue, Luoyang Shaft Technology Co., Ltd., Hefei Bolin New Materials Co., Ltd. This part is interpreted by the National Technical Committee for Standardization of Sliding Bearings.

Introduction

Due to the existence of a large number of parameter symbols and terminology named in multiple ways in the field of sliding bearings, in the interpretation of standards and technical literature It is very easy to cause misunderstandings in the process. This situation has caused the continuous increase of supplementary definitions and further exacerbated the possibility of misunderstandings. This part of GB/T 2889 aims to establish a unified, basic terminology system for elaborating lubrication. Plain bearing terms, definitions, classifications and symbols Part 3. Lubrication

1 Scope

This part of GB/T 2889 defines the most commonly used terms, definitions and classifications related to sliding bearing lubrication. This section gives some acronyms of certain terms and compound words, which can be used when there is no ambiguity. No explanation is required for unexplained terms Its definition.

2 Normative references

There are no normative references in this section.

3 Terms and definitions

The following terms and definitions apply to this document. The website of the ISO and IEC standardized terminology database is as follows. 3.1 General terms 3.1.1 Lubrication Through the action and lubrication effect of the lubricant, the frictional force, wear and retreat of the surfaces of two objects that are in contact with each other and move relatively Reduced technology. 3.1.2 Lubrication method methodoflubrication A method of filling lubricant between two objects that are in contact with each other and move relatively. 3.2 Lubrication method and classification 3.2.1 Classification according to the physical state of the lubricant 3.2.1.1 Gas lubricating gas-filmlubrication Lubrication (3.1.1) with gas lubricant (3.4.1.1) to separate the interacting surfaces in relative motion. 3.2.1.2 Liquid-filmlubrication Lubrication (3.1.1) with a liquid lubricant (3.4.1.2) to separate the interacting surfaces in relative motion. 3.2.1.3 Fluid-filmlubrication Lubrication (3.1.1) with fluid (gas or liquid) lubricant to separate the interacting surfaces in relative motion. ......

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