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GB/T 13487-2025: Synchronous belt drives - Synchronous belts for general drive
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 13487-2025	English	199	Add to Cart	3 days [Need to translate]	Synchronous belt drives - Synchronous belts for general drive
GB/T 13487-2017	English	120	Add to Cart	0--9 seconds. Auto-delivery	Synchronous belts for general drive
GB/T 13487-2002	English	279	Add to Cart	3 days [Need to translate]	Synchronous belts for general drive
GB/T 13487-1992	English	199	Add to Cart	2 days [Need to translate]	Synchronous belts for general drive

GB/T 13487-2025: Synchronous belt drives - Synchronous belts 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.
ICS 21.220.10 CCSJ18 National Standards of the People's Republic of China Replaces GB/T 13487-2017 Synchronous belt drives are general-purpose transmissions using synchronous belts. Published on 2025-10-31 Implemented on May 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document replaces GB/T 13487-2017 "Synchronous Belts for General Transmissions". Compared with GB/T 13487-2017, except for structural adjustments and... Aside from editorial changes, the main technical changes are as follows. ---The staggered double-sided curved tooth and circular arc tooth structure in Figure 1 has been removed (see Figure 1 in the.2017 version); ---Product categories have been changed (see Chapter 4, Chapter 3 in the.2017 edition); ---The material requirements for timing belts have been changed (see Chapter 5, Chapter 4 in the.2017 edition); ---The bonding strength of the timing belt toothed cloth has been changed (see Table 1, Table 1 in the.2017 edition); ---Added technical information for AT3, AT5, AT10, AT20, G8M, and G14M models (see Chapter 4, Tables 1 and 2); ---The S20M-related technical content has been removed (see Chapter 3, Table 1 and Table 2 of the.2017 edition). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the China Machinery Industry Federation. This document is under the jurisdiction of the National Technical Committee on Standardization of Pulleys and Belts (SAC/TC428). This document was drafted by. Ningbo Kärcher Belt Co., Ltd., Zhejiang Fulong Transmission Technology Co., Ltd., and Ningbo Jaguar Transmission Systems Co., Ltd. Limited Liability Company, Zhejiang Fengmao Technology Co., Ltd., China Machinery Productivity Promotion Center Co., Ltd., Shanghai Yongli Conveyor Belt Co., Ltd., Anhui Zhongliang Intelligent Transmission Technology Co., Ltd., Shaoxing Huafangyuan Transmission Technology Co., Ltd., Zhejiang Baoli Rubber & Plastics Co., Ltd., Zhejiang Province Sanmen Kaitai Belt Industry Co., Ltd., Sichuan De'en Precision Technology Co., Ltd., Zhejiang Dongxing Auto Parts Co., Ltd., Shenzhen Hefeng Gear Wheel Machinery Co., Ltd., Zhejiang Weigeer Transmission Co., Ltd., Aolifu Transmission Technology Co., Ltd., Jiangsu Xinlianda Belt Manufacturing Technology Co., Ltd. Limited Liability Company, Suzhou Yunque Robotics Technology Co., Ltd., Jilin University, Shenzhen Ruijian Electronics Co., Ltd., Jiangsu Mingzhu Testing Machinery Co., Ltd. The company, Changchun University, Beijing Yanling Jiaye Intelligent Technology Co., Ltd., Qingdao Product Quality Inspection and Research Institute, China Machinery Research Institute Standards and Technology Research Institute Research Institute (Beijing) Co., Ltd. The main drafters of this document are. Ying Jianli, Hu Zhihong, Shen Weihong, Zhang Rong, Xie Junjun, Qin Shuan, Xie Wenfeng, Zhu Shusheng, and Hong Zhifei. Bao Jiangbei, Lin Chen, Xie Longde, Pan Zhaoxing, Cao Xiaolin, Chen Lu, Ji Sicheng, Zhang Zhihua, He Fan, Feng Zengming, Wang Shifeng, Bao Dafei, Shi Yaochen Yang Haifeng, He Ning, Zhou Peng. The release history of this document and the document it replaces is as follows. ---First published as GB/T 13487-1992 in.1992, revised for the first time in.2002; revised for the second time in.2017; ---This is the third revision. Synchronous belt drives are general-purpose transmissions using synchronous belts.

1 Scope

This document specifies the product classification, structure and materials, marking, technical requirements, and testing of synchronous belts for general transmission (hereinafter referred to as synchronous belts). Methods, inspection rules, and marking, packaging, transportation and storage. This document applies to rubber synchronous belts used in general transmissions. This document does not apply to automotive timing belts.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 6931.3 Belt Drive Terminology Part 3.Synchronous Belt Drives GB/T 24619 Synchronous Belt Drives - G, H, R, S Tooth Profile Synchronous Belts and Pulleys GB/T 28774 Synchronous Belt Drive - T-type Trapezoidal Tooth Synchronous Belt GB/T 37203 Synchronous Belt Drive - AT Type Trapezoidal Tooth Synchronous Belt JB/T 7512.1 Circular Arc Tooth Synchronous Belt Drives - Part 1.Belts

3 Terms and Definitions

The terms and definitions defined in GB/T 6931.3 apply to this document.

4 Product Categories

Synchronous belts are classified by tooth distribution into single-sided and double-sided types, with double-sided belts further divided into symmetrical and staggered types; they are also classified by tooth shape. The teeth are trapezoidal, curved, and circular. There are fifteen models of trapezoidal toothed synchronous belts, as follows. Curved toothed synchronous belts are available in four tooth types. G, H, R, and S, with a total of sixteen models, as detailed below. G-type teeth. G8M, G14M models; H-tooth type. H3M, H5M, H8M, H14M, H20M models; R-tooth type. R3M, R5M, R8M, R14M, R20M models; S-tooth type. S3M, S5M, S8M, S14M models. There are five models of arc tooth synchronous belts. 3M, 5M, 8M, 14M, and 20M. 5.Structure and Materials 5.1 Structure Synchronous belts generally consist of four parts. toothed cloth, toothed belt, tensile core rope, and belt back, as shown in Figure 1. ...