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GB/T 4074.6-2024: Test methods of winding wires - Part 6: Thermal properties
Status: Valid GB/T 4074.6: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4074.6-2024 | English | 274 |
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Test methods of winding wires - Part 6: Thermal properties
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GB/T 4074.6-2024
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| GB/T 4074.6-2008 | English | 439 |
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Winding wires -- Test methods -- Part 6: Thermal properties [including MODIFICATION 1]
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GB/T 4074.6-2008
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| GB/T 4074.6-1999 | English | 399 |
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Test methods for winding wires --Part 6: Thermal properties
| Obsolete |
GB/T 4074.6-1999
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| GB/T 4074.6-1983 | English | RFQ |
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Methods of test for enameled wires--Mandrel winding test for round wires
| Obsolete |
GB/T 4074.6-1983
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PDF similar to GB/T 4074.6-2024
Basic data | Standard ID | GB/T 4074.6-2024 (GB/T4074.6-2024) | | Description (Translated English) | Test methods of winding wires - Part 6: Thermal properties | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K12 | | Classification of International Standard | 29.060.10 | | Word Count Estimation | 14,176 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-11-01 | | Older Standard (superseded by this standard) | GB/T 4074.6-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 4074.6-2024: Test methods of winding wires - Part 6: Thermal properties---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 29:060:10
CCSK12
National Standards of People's Republic of China
Replaces GB/T 4074:6-2008
Winding wire test methods Part 6: Thermal properties
(IEC 60851-6:2012, Winding wires-Test methods-
Part 6: Thermal properties, IDT)
Released on 2024-04-25
2024-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Test method 9: Thermal shock (applicable to enameled wire and film wrapped wire) 1
4:1 Overview 1
4:2 Sample preparation 1
4:3 Test Procedure 2
4:4 Test results 2
5 Test method 10: Softening breakdown (applicable to enameled conductors with nominal diameter greater than 0:100 mm and less than or equal to 1:600 mm)
Round wire and film wrapped round wire) 2
5:1 Overview 2
5:2 Test equipment 2
5:3 Test Procedure 2
6 Test method 15: Temperature index 3
7 Test method 21: Weight loss (applicable to enameled round wire) 3
7:1 Overview 3
7:2 Sample preparation 3
7:3 Test procedure 3
Appendix A (Informative) High temperature failure test (applicable to enameled round wire) 5
A:1 Overview 5
A:2 Test equipment 5
A:3 Sample preparation 5
A:4 Test procedure 5
References 6
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 part 6 of GB/T 4074 Winding Wire Test Methods: GB/T 4074 has been published in the following parts:
--- Part 1: General provisions;
--- Part 2: Dimensional measurement;
--- Part 3: Mechanical properties;
--- Part 4: Chemical properties;
--- Part 5: Electrical properties;
--- Part 6: Thermal properties;
--- Part 7: Test method for determining the temperature index of enameled winding wire;
--- Part 8: Test method for determination of temperature index of enameled winding wire - Rapid method;
--- Part 21: High frequency pulse voltage resistance:
This document replaces GB/T 4074:6-2008 "Winding wire test methods Part 6: Thermal properties" and is consistent with GB/T 4074:6-2008:
In addition to structural adjustments and editorial changes, the main technical changes are as follows:
--- Added an overview of thermal shock test (see 4:1);
--- Added an overview of the softening breakdown test (see 5:1);
--- Changed the test procedure in the softening breakdown test (see 5:3, see 4:2 of the:2008 edition);
--- The test method of temperature index test has been changed: The "temperature index test" for all winding wires shall be carried out in accordance with IEC 60172 (see
Chapter 6, Chapter 5 of the:2008 edition);
--- Added an overview of weight loss test (see 7:1):
This document is equivalent to IEC 60851-6:2012 "Winding wire test methods Part 6: Thermal properties":
A new chapter “Terms and Definitions” has been added to this document:
The following minimal editorial changes were made to this document:
--- In order to coordinate with the existing standards, the name of the standard is changed to "Winding Wire Test Methods Part 6: Thermal Properties":
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 Electrical Equipment Industry Association:
This document is under the jurisdiction of the National Technical Committee for Standardization of Wire and Cable (SAC/TC213):
This document was drafted by: Shanghai Cable Research Institute Co:, Ltd:, Datong (Fujian) New Materials Co:, Ltd:, Xiandeng Hi-Tech Electric Co:, Ltd:
Co:, Ltd:, Shenyang Hongyuan Electromagnetic Wire Co:, Ltd:, Shanghai Guolan Testing Co:, Ltd:, Changzhou Weiyuan Electrical Equipment Co:, Ltd:, Shan
Dongsaite Electric Co:, Ltd:, Ningbo Jintian New Materials Co:, Ltd:, and Yantai Rom Electronics Co:, Ltd:
The main drafters of this document are: Peng Bo, Yang Hechang, Gan Yinjie, Chai Na, Zhu Ranran, Xia Ke, He Jun, Li Jun, Gong Yunxu, Lin Zhiwei, Pan Guoliang,
Han Yongjin:
The previous versions of this document and the standards it replaces are as follows:
---First published in:1999 as GB/T 4074:6-1999;
---First revised in:2008;
---This is the second revision:
Introduction
Winding wire is one of the main raw materials for power, motor, electrical appliances, home appliances, electronics, communications, transportation, power grid, aviation and other fields:
It has a wide range and covers many fields, and has become an important mechanical industrial product:
GB/T 4074 Winding Wire Test Methods is the only test method standard for measuring winding wire products in China: It is very important for product testing and market regulation:
It plays an important role in both market and product improvement:
GB/T 4074 aims to establish the test method standards for the performance of different types of winding wire products and is intended to consist of the following 9 parts:
--- Part 1: General provisions: The purpose is to establish the terms, definitions and general test principles for winding wire test methods:
--- Part 2: Dimensional measurement: The purpose is to establish test methods for measuring the dimensions of different products of winding wire:
--- Part 3: Mechanical properties: The purpose is to establish test methods for the mechanical properties of different types of winding wire products:
--- Part 4: Chemical properties: The purpose is to establish test methods for the chemical properties of different types of winding wire products:
--- Part 5: Electrical properties: The purpose is to establish test methods for the electrical properties of different types of winding wire products:
--- Part 6: Thermal properties: The purpose is to establish test methods for the thermal properties of different types of winding wire products:
--- Part 7: Test method for determining the temperature index of enameled winding wire: The purpose is to establish a method for determining the temperature index of enameled winding wire:
Test procedures:
--- Part 8: Test method for determining the temperature index of enameled winding wire: Rapid method: The purpose is to establish the determination of the temperature index of enameled winding wire:
Rapid test procedure for the sensitivity index:
--- Part 21: High-frequency impulse voltage resistance performance: The purpose is to establish the test method for the high-frequency impulse voltage resistance performance of winding wires:
Winding wire test methods Part 6: Thermal properties
1 Scope
This document describes the following test methods for winding wires:
--- Test method 9: Thermal shock;
--- Test method 10: Softening breakdown;
--- Test method 15: Temperature index;
--- Test method 21: Weight loss;
For terms, definitions, general principles for test methods and a catalogue of test methods for winding wires, see IEC 60851-1:
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:
GB/T 4074:3-2024 Winding wire test methods Part 3: Mechanical properties (IEC 60851-3:2023, IDT)
Note: There is no technical difference between the referenced content of GB/T 4074:3-2024 and the referenced content of IEC 60851-3:2009:
GB/T 4074:5-2024 Winding wire test methods Part 5: Electrical properties (IEC 60851-5:2019, IDT)
Note: There is no technical difference between the referenced content of GB/T 4074:5-2024 and the referenced content of IEC 60851-5:2008:
3 Terms and definitions
There are no terms or definitions that require definition in this document:
4 Test method 9: Thermal shock (applicable to enameled wire and film wrapped wire)
4:1 Overview
Thermal shock reflects the ability of a specimen to withstand temperature after being stretched and/or rolled or bent on a round bar:
4:2 Sample preparation
4:2:1 Round wire
The test specimens shall be prepared as follows:
--- For enameled wire with a conductor nominal diameter less than or equal to 1:600 mm, according to 6:2:1:2 of GB/T 4074:3-2024
Regulation;
--- For enameled wire with a nominal conductor diameter greater than 1:600 mm, in accordance with 6:3 of GB/T 4074:3-2024;
--- For film-wrapped wire with a conductor nominal diameter less than or equal to 1:600 mm, according to 6:2:1:5 of GB/T 4074:3-2024
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