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GB/T 17737.318-2018 English PDF

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GB/T 17737.318-2018: Coaxial communication cables -- Part 1-318: Mechanical test methods -- Heat performance tests
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GB/T 17737.318-2018English184 Add to Cart 3 days [Need to translate] Coaxial communication cables -- Part 1-318: Mechanical test methods -- Heat performance tests Valid GB/T 17737.318-2018

PDF similar to GB/T 17737.318-2018


Standard similar to GB/T 17737.318-2018

GB/T 17737.102   GB/T 17737.101   GB/T 17737.103   GB/T 17737.316   GB/T 17737.317   GB/T 17737.314   

Basic data

Standard ID GB/T 17737.318-2018 (GB/T17737.318-2018)
Description (Translated English) Coaxial communication cables -- Part 1-318: Mechanical test methods -- Heat performance tests
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L26
Classification of International Standard 33.120.10
Word Count Estimation 10,147
Date of Issue 2018-03-15
Date of Implementation 2018-10-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 17737.318-2018: Coaxial communication cables -- Part 1-318: Mechanical test methods -- Heat performance tests


---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.
Coaxial communication cables--Part 1-318. Mechanical test methods--Heat performance tests ICS 33.120.10 L26 National Standards of People's Republic of China Coaxial communication cable Section 1-318. Mechanical Test Methods Thermal performance test Part 1-318. Mechanical test methods- (IEC 61196-1-318.2008, IDT) Published by.2018-03-15 2018-10-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration released Directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Heat-resistant fluidity of medium 1 5 Thermal Shock 2 6 Thermal properties of semi-rigid cables 2 7 Dimensional Stability 3

Foreword

GB/T 17737 "Coaxial Communication Cable" has or plans to issue the following parts. --- Part 1. General rules, definitions and requirements; --- Section 1-31 . Mechanical test methods ; Ellipticity test ; -- Part 1-302 . Mechanical test methods ; eccentricity test ; -- Part 1-304 . Mechanical test methods ; Impact test ; Part 1-108 . Mechanical test methods -- Tensile strength and elongation test of copper clad metal ; --- Part 1-310. Mechanical test methods Torsional characteristics of copper clad metal; --- Part 1-313. Mechanical test methods Adhesion of media and sheath; --- Part 1-314. Mechanical test methods Bending test of cables; --- Part 1-316. Mechanical test methods Maximum tensile strength test of cables; --- Part 1-317. Mechanical test methods Cable compression test; --- Sections 1-318. Mechanical test methods Thermal performance test; --- Part 1-324 . Mechanical test methods Cable abrasion resistance test ; --- Part 1-325 . Mechanical test methods Wind - induced vibration test ; This section is Part 1-318 of GB/T 17737. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This section uses the translation method equivalent to the use of IEC 61196-1-318.2008 "coaxial communication cable part 1-318. mechanical test side Thermal performance test". The Chinese documents that have a consistent correspondence with the normatively quoted international documents in this section are as follows. ---GB/T 17737.1-2013 Coaxial telecommunication cables Part 1. General specifications General, definitions and requirements (IEC 61196-1. 2005, IDT); ---GB/T 2423.2-2008 Environmental testing for electric and electronic products Part 2. Test methods Test B. High temperature (IEC 60068-2-2.2007, IDT). Please note that some of the contents of this document may involve patents. The issuing agency of this document does not assume responsibility for identifying these patents. This section was proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This part is under the jurisdiction of the National Standardization Technical Committee for High Frequency Cables and Connectors for Electronic Equipment (SAC/TC190). This section was drafted. Jiaozuo Railway Cable Co., Ltd. The main drafters of this section. Wang Shengjun, Wang Yongqing, Shang Aimin, Wang Ruixi, Wu Zhengping, Tian Xin. Coaxial communication cable Section 1-318. Mechanical Test Methods Thermal performance test

1 Scope

This part of GB/T 17737 applies to coaxial communication cables. It specifies test methods for determining the following properties. --- Heat resistance of the medium. The ability of the medium to withstand mechanical deformation due to radial pressure exerted by the inner conductor at high temperatures; --- Heat exposure. The ability of the media or jacket to withstand high temperatures; --- Thermal properties of semi-rigid cables. The ability of semi-rigid cable structures to withstand medium expansion at elevated temperatures; --- Dimensional stability. The displacement of each component of the cable to verify the suitability of the connector for the cable.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. IEC 61196-1 Coaxial communication cable Part 1. General specification General rules, definitions and requirements (Coaxialcommunication cables-Part 1.Generic specification-General,definitionsandrequirements) IEC 60068-2-2 environmental test part 2-2. test test B. high temperature (Environmental testing-Part 2-2. Tests-TestsB. Dryheat)

3 Terms and definitions

The terms and definitions defined by IEC 61196-1 apply to this document. 4 Heat-resistant fluidity of medium 4.1 sample preparation The specimen shall be taken from the finished cable and its length shall be at least 30 times the outside diameter of the cable. Connect the weights specified in the relevant cable specification to the inner conductors on both ends of the cable specimen. 4.2 Procedures The specimen shall be symmetrically curved on a horizontal mandrel with the radius of the core being the minimum bending radius of the cable specified in the relevant cable specification. Free hanging weights on the inner conductor. The test specimen shall be heated to the relevant cable specification according to the test Bb of IEC 60068-2-2. Set the temperature and keep it for at least 8h. At the end of the heating time, the weight was removed and the sample was allowed to cool for 1 hour without further bending under the test standard atmospheric pressure conditions. Peel the specimen and measure the displacement of the inner conductor and the center of the cable. 4.3 Requirements The distance of the inner conductor from the center of the cable should not exceed 15% of the nominal diameter of the medium.

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