GB/T 12730-2018 English PDF

US$259.00 · In stock
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GB/T 12730-2018: Narrow V-belt for general drive
Status: Valid

GB/T 12730: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12730-2018	259	Add to Cart	3 days	Narrow V-belt for general drive	Valid
GB/T 12730-2008	279	Add to Cart	3 days	Narrow V-belt for general drive	Obsolete
GB/T 12730-2002	359	Add to Cart	3 days	Narrow V-belt for general use	Obsolete
GB/T 12730-1991	199	Add to Cart	2 days	Narrow V-belt	Obsolete

Similar standards

GB/T 13552   GB/T 12585   GB/T 10822   GB/T 12736   GB 12731   

Basic data

Standard ID: GB/T 12730-2018 (GB/T12730-2018)
Description (Translated English): Narrow V-belt for general drive
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G42
Classification of International Standard: 21.220.10
Word Count Estimation: 13,183
Date of Issue: 2018-05-14
Date of Implementation: 2018-12-01
Older Standard (superseded by this standard): GB/T 12730-2008
Regulation (derived from): National Standards Announcement No. 6 of 2018
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 12730-2018: Narrow V-belt for general drive

---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.
(General transmission with narrow V-belt) ICS 21.220.10 G42 National Standards of People's Republic of China Replace GB/T 12730-2008 General transmission narrow V-belt Published on.2018-05-14 2018-12-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 12730-2008 "Narrow V-belt for general transmission". Compared with GB/T 12730-2008, except for editorial repair The main technical changes changed are as follows. --- Revised the requirements for dimensional performance and test methods (see 5.2, 6.1, 6.1 of the.2008 edition); --- Removed the requirements and test methods for the bond strength of the cord in physical properties (see 5.2, 6.3 of the.2008 edition); --- Revised the requirements for fatigue performance and test methods (see 5.4, Appendix B, 5.3, 6.5 of the.2008 edition). This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Technical Committee on Pulley and Belt Standardization Technical Committee (SAC/TC428/SC3). This standard was drafted. Maanshan Ruisheng Industry and Trade Co., Ltd., Zhejiang 3D Rubber Products Co., Ltd., Sanlux Co., Ltd. Division, Ningbo Kaichi Tape Co., Ltd., Shaoxing Keqiao Shuanghua Tape Co., Ltd., Qingdao Product Quality Inspection Technology Research Institute. The main drafters of this standard. Zhu Shusheng, Liu Zhigang, Liu Youliang, Shi Shuixiang, Ying Jianli, Sun Guohua, Sun Yanni. The previous versions of the standards replaced by this standard are. ---GB/T 12730-1991, GB/T 12730-2002, GB/T 12730-2008. General transmission narrow V-belt

1 Scope

This standard specifies the structure, type and marking, requirements, test methods and inspections of narrow V-belts for general transmission (hereinafter referred to as "narrow V-belts"). Rules and signs, labels, packaging, storage and shipping. This standard is applicable to high-speed and high-power mechanical transmission belts, and is also applicable to general power transmission belts.

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 edition (including all amendments) applies to this document. GB/T 3686 belt drive V-belt and V-ribbed belt tensile strength and elongation test method GB/T 11544 belt drive ordinary V-belt and narrow V-belt size (base width system) Test method for interlayer adhesion strength of HG/T 3864 V belt

3 structure

The narrow V-belt is divided into two types according to the structure. a narrow V-belt and a narrow V-belt. The narrow V-belt is divided into a narrow V-cut. The belt has a narrow V-belt with a toothed edge and a narrow V-belt with a bottom rubber clip. The narrow V-belt is composed of a cloth, a top cloth, a top rubber, a buffer rubber, a tensile body, a primer, a bottom rubber cloth, a base cloth, and the like (see Fig. 1). a) Narrowed V-belt b) Normally cut narrow V-belt c) toothed cut narrow V-belt d) bottom rubber cloth cut narrow V-belt Description. 1---clothing; 2---top cloth; 3---top glue; 4---buffer glue; 5---resistance; 6---base glue; 7---backing cloth; 8---Bottom adhesive cloth. Figure 1 Schematic diagram of a narrow V-belt structure ......

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