GBZ42533-2023 English PDF

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GBZ42533-2023: Hydraulic fluid power - System - Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/Z 42533-2023	474	Add to Cart	5 days	Hydraulic fluid power - System - Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system	Valid

Similar standards

GB/T 42155   GB/T 40565.3   GB/T 40565.2   GB/T 42534.2   GB/T 42534.1   

Basic data

Standard ID: GB/Z 42533-2023 (GB/Z42533-2023)
Description (Translated English): Hydraulic fluid power - System - Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system
Sector / Industry: National Standard
Classification of Chinese Standard: J20
Classification of International Standard: 23.100.60
Word Count Estimation: 25,221
Date of Issue: 2023-05-23
Date of Implementation: 2023-12-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GBZ42533-2023: Hydraulic fluid power - System - Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system

---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.
GB /Z 42533-2023: The theoretical correlation method between the cleanliness of the hydraulic transmission system and the cleanliness of the components constituting the system and the degree of oil pollution ICS 23:100:60 CCSJ20 National Standardization Guidance Technical Document of the People's Republic of China System cleanliness and composition of hydraulic transmission system Component cleanliness and oil contamination theory for the system Association method the system (ISO /T R10686:2013,Hydraulicfluidpower-Methodtorelatethe Released on 2023-05-23 Implemented on 2023-12-01 State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Symbols and units 2 5 Basic Precautions 3 6 Cleanliness prediction from component to system (bottom-up method) 5 7 System-to-component cleanliness prediction (top-down method) 7 8 Conversion between cleanliness per unit volume and cleanliness per unit surface area8 Appendix A (Informative) Determination of Geometric Characteristics of Components 9 Appendix B (informative) Example of calculating the cleanliness of the system assembly from the cleanliness of each component10 Appendix C (Informative) Effect of Surface Cleanliness on Oil Pollution Degree 14 Appendix D (informative) The relationship between volume and surface area 16 Appendix E (informative) Correlation between component cleanliness and part cleanliness 17 Reference 20

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document is equivalent to ISO /T R10686:2013 "Cleanliness of hydraulic transmission hydraulic system and the cleanliness and Hydraulic Oil Pollution Degree Theoretical Correlation Method", the type of document is adjusted from ISO technical report to my country's national standardization guiding technology document: The following minimal editorial changes have been made to this document: --- In order to coordinate with the existing standard, the name of the standard is changed to "System cleanliness of hydraulic transmission system and the cleanliness of the components that make up the system degree and oil pollution degree theoretical correlation method": Please note that some contents of this document may refer to patents: The issuing authority of this document assumes no responsibility for identifying patents: This document is proposed by China Machinery Industry Federation: This document is under the jurisdiction of the National Hydraulic Pneumatic Standardization Technical Committee (SAC/TC3): This document is drafted by: Beijing Olop Filtration Technology Development Company, Sinopec Lubricating Oil Co:, Ltd:, Henan Jiyuan Iron and Steel (Group) Co:, Ltd:, Tianjin Logan Kexing Technology Co:, Ltd:, Xinxiang Pingyuan Aviation Technology Engineering Co:, Ltd:, Aviation Industry (Xinxiang) Measurement Technology Co:, Ltd:, Xinxiang Pingfei Hydraulic Co:, Ltd:, Tianjin Honghe Technology Co:, Ltd:, Jiujiang Qisuo Precision Electromechanical Technology Co:, Ltd:, Beijing Chemical University of Technology, China University of Mining and Technology (Beijing): The main drafters of this document: Yang Miao, Fu Xiaoxian, Zhou Bo, Li Yongjian, Qu Dandan, Wei Feng, Du Lipeng, Lu Jizhong, Hu Xiaolin, Liu Yong, Li Fangjun, Lu Jixia:

Introduction

The initial cleanliness level of a hydraulic system can affect its performance and service life: Particulate contamination that occurs after system fabrication and assembly such as If not removed, it will circulate in the system and cause damage to system components: In order to reduce the possibility of such damage, oil fluid, hydraulic transmission system Internal surfaces and system components are cleaned to specified grades: Theoretically, the final cleanliness of a hydraulic system that has been installed is such that it can be cleaned from particulate contamination from the components that make up the system and from the oil that enters the system: The sum of pollutants is predicted: In turn, the required cleanliness level of each individual component and fluid added to the system can be adjusted according to the desired cleanliness level of the final system Make predictions: This document provides the theoretical basis for this forecasting approach: System cleanliness and composition of hydraulic transmission system Component cleanliness and oil contamination theory for the system Association method

1 Scope

This document describes the following common methods: a) Correlate the cleanliness of the system with the cleanliness and oil contamination of the components that make up the system; b) Predict the final cleanliness of the hydraulic system filled with oil after installation, the final cleanliness prediction is based on each component in the system cleanliness and contamination of the oil used; c) Calculate and manage the contamination degree requirements of the components, components and oils that make up the system, so as to achieve the ultimate target cleanliness of the system (RCL): The method specified in this document is applicable to the prediction of particles of any size and can also be used in other fluid systems than hydraulic transmissions:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: Note: GB/T 17446-2012 Fluid Power System and Component Vocabulary (ISO 5598:2008, IDT)

3 Terms and Definitions

The terms and definitions defined in ISO 5598 and the following apply to this document: 3:1 Wetted surface area wettedsurfacearea When the system is in normal operation, the oil contact surface area of the component or system after contacting the system oil: Note: The symbols AC or AS represent the wetted surface area of the component or system respectively: Example: For a hydraulic oil pump with two gears (see Figure 1), the wetted surface area can be calculated as the internal surface area of the pump body (both end covers and casing with inlet and outlet ports) plus The sum of the outer surfaces of the upper two gears: Fig:1 Schematic diagram of wetted surface area of external gear hydraulic gear pump ......

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