GB/T 45460-2025 English PDF

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GB/T 45460-2025: Steel wire ropes - Determination of the transverse rigidity of steel wire ropes under no axial load condition
Status: Valid

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Basic data

Standard ID: GB/T 45460-2025 (GB/T45460-2025)
Description (Translated English): Steel wire ropes - Determination of the transverse rigidity of steel wire ropes under no axial load condition
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H49
Classification of International Standard: 77.140.65
Word Count Estimation: 10,131
Date of Issue: 2025-03-28
Date of Implementation: 10/1/2025
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45460-2025: Steel wire ropes - Determination of the transverse rigidity of steel wire ropes under no axial load condition

---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.
ICS 77.140.65 CCSH49 National Standard of the People's Republic of China Steel wire rope under no axial load condition Determination of radial stiffness (ISO 16839.2013, IDT) Released on 2025-03-28 2025-10-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

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 16839.2013 "Steel wire ropes - Determination of radial stiffness of steel wire ropes under conditions without axial load". The following minimal editorial changes were made to this document. --- For ease of use, the index symbols are added in Figures 2 and 3. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Iron and Steel Association. This document is under the jurisdiction of the National Technical Committee on Steel Standardization (SAC/TC183). This document was drafted by. National Wire Rope Product Quality Inspection and Testing Center, Ma'anshan Falson Technology Co., Ltd., Kunshan East Coast Marine Engineering Co., Ltd., Feicheng Inspection and Testing Center, Henan Special Equipment Inspection Technology Research Institute, Shandong Xinli Industrial and Mining Safety Testing Co., Ltd. Corporation, Metallurgical Industry Standards and Information Research Institute. The main drafters of this document are. Yang Jinyan, Chen Jianhao, Li Lei, Li Yan, Zhou Lijun, Zhang Dongmei, Wei Xiaobing, Ren Cuiying, Ding Weiming, Chen Yansong, Leng Mingjian, Yang Yanqiang, Wang Jing, Su Rongbo, Su Diyao, Liu Hongjun, Wei Zhiyuan, Du Zhaojun, Wang Lingjun.

Introduction

The radial pressure on the wire rope during multi-layer winding is shown in Figure 1. Figure 1 Schematic diagram of pyramidal layer arrangement in multilayer winding The cross section shows the pyramidal arrangement of the wire ropes on the drum (parallel sections) and the points where the wire ropes are in contact with the surrounding neighbors. The radial pressure is transmitted to the wire rope at 4 contact points. These working and stress conditions can be carried out with the test rig shown in this document. simulation. This document is intended to provide manufacturers, suppliers and inspection and testing agencies with a uniform test method for determining the The ability to resist radial deformation under load. The radial deformation value depends on the state of the wire rope, so it is necessary to know the actual state of the deformation that will or has been determined. The three common states are as follows. ---Initial state (factory state); --- Partially stable state; or ---Final stable state. Steel wire rope under no axial load condition Determination of radial stiffness

1 Scope

This document specifies a method for determining by test and calculation the ability of a wire rope to resist radial deformation under conditions without axial load. Used to verify the performance of wire ropes.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. ISO 463 Geometric Product Specifications (GPS) Design and metrological characteristics of mechanical indicators for length measuring instruments [Geomet- Note. GB/T 39547-2020 Design and metrological characteristics of mechanical indicators (ISO 463.2006, IDT) ISO 7500-1 Inspection and calibration of static uniaxial testing machines for metallic materials Part 1.Testing of tension and/or compression testing machines chines-Part 1.Tension/compression testing machines-Calibration and verification of the force-measuring system) Note. GB/T 16825.1-2022 Inspection and calibration of static uniaxial testing machines for metallic materials Part 1.Force measurement of tension and/or compression testing machines System verification and calibration (ISO 7500-1.2018, IDT)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 dy The theoretical diameter of the wire rope in the Y-axis direction is calculated using formula (1). dy=d-Δdym (1) 3.2 lateral force dx The theoretical diameter of the wire rope in the X-axis direction is calculated using formula (2). dx=d Δdx1m Δdx2m (2) ......

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