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GB/T 28773-2024: Tooth-wedge belts
Status: Valid GB/T 28773: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 28773-2024 | English | 309 |
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Tooth-wedge belts
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GB/T 28773-2024
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| GB/T 28773-2012 | English | 88 |
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Tooth-wedge belts
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GB/T 28773-2012
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PDF similar to GB/T 28773-2024
Basic data | Standard ID | GB/T 28773-2024 (GB/T28773-2024) | | Description (Translated English) | Tooth-wedge belts | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J18 | | Classification of International Standard | 21.220.10 | | Word Count Estimation | 15,184 | | Date of Issue | 2024-10-26 | | Date of Implementation | 2025-05-01 | | Older Standard (superseded by this standard) | GB/T 28773-2012 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 28773-2024: Tooth-wedge belts---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT28773-2024
ICS 21.220.10
CCSJ18
National Standard of the People's Republic of China
Replaces GB/T 28773-2012
Toothed wedge belt
Released on October 26, 2024
Implementation on May 1, 2025
State Administration for Market Regulation
The National Standardization Administration issued
Preface
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 replaces GB/T 28773-2012 "Toothed wedge belts". Compared with GB/T 28773-2012, except for structural adjustments and editorial changes,
In addition, the main technical changes are as follows.
--- Changed the scope (see Chapter 1, Chapter 1 of the.2012 edition);
--- Changed the symbol for center distance (see Figure 6, Formula 1, Figure 6 and Formula 1 of the.2012 edition);
--- Changed the H-type belt tooth size drawing and dimensions (see Figure 2, Table 1, Figure 2 and Table 1 of the.2012 edition);
--- Changed the R-type belt tooth dimension drawing (see Figure 3, Figure 3 of the.2012 edition);
--- Increased R12M belt tooth size (see Table 2);
--- Changed the S-type belt tooth dimension drawing (see Figure 4, Figure 4 of the.2012 edition);
--- Changed the wedge section (see Figure 5, Figure 5 of the.2012 edition);
--- Increased the belt length of the 12M series (see Table 5);
--- Added R12M measurement pulley parameters (see Table 6);
--- Increased the measuring force of R12M belt (see Table 7);
--- Deleted the gear tooth and belt tooth clearance and corresponding parameters (see Figure 6, Figure 7, Figure 8 and Table 4 of the.2012 edition);
--- Added technical requirements (see Chapter 6);
--- Added test methods (see Chapter 7);
--- Added inspection rules (see Chapter 8);
--- Added marking, packaging, transportation and storage (see Chapter 9).
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 Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee on Pulleys and Belts for Standardization (SAC/TC428).
This document was drafted by. Zhejiang Samsung Adhesive Tape Co., Ltd., Zhejiang Baoerli Rubber & Plastic Co., Ltd., Wuxi Belt Adhesive Tape Co., Ltd.
Company, Jinjiulong Industrial Co., Ltd., Ningbo Jaguar Transmission System Co., Ltd., Weishi County Jiulong Rubber and Plastic Co., Ltd., Guangzhou Dingshun Mechanical and Electrical Equipment
Co., Ltd., China Machinery Productivity Promotion Center Co., Ltd., Jiangsu Mingzhu Testing Machinery Co., Ltd., Sanmen County Rubber and Plastic Industry Association, Zhejiang Weige
Er Transmission Co., Ltd., Qingdao Product Quality Inspection Institute, and China Machinery Research Institute of Standards and Technology (Beijing) Co., Ltd.
The main drafters of this document are. Chen Xiaobin, Chen Zhongwang, Pang Changzhi, You Jianping, Zhang Liujie, Zhang Rong, Tao Dazhong, Zhang Zhihua, Qin Shuan, Zhou Peng,
Bao Dafei, Li Xiantao, Huang Kaijun, Hao Yongliang, and Li Quanjun.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2012 as GB/T 28773-2012;
---This is the first revision.
Toothed wedge belt
1 Scope
This document gives the model, marking and size of toothed wedge belts, and stipulates the technical requirements, inspection rules, marking, packaging, transportation and storage.
The corresponding test methods are described.
This document applies to general industrial toothed wedge belt (hereinafter referred to as "belt") transmission.
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 6931.1 Belt drive terminology Part 1.Basic terms
GB/T 6931.2 Belt drive terminology Part 2.V-belt and multi-V belt drives
GB/T 6931.3 Belt drive terminology Part 3.Synchronous belt drive
GB/T 10716 Timing belt drive - Test method for physical properties of automotive timing belts
GB/T 24619 Synchronous belt drives G, H, R, S tooth profiles Curved toothed synchronous belts and pulleys
3 Terms, definitions and symbols
The terms, definitions and symbols defined in GB/T 6931.1, GB/T 6931.2 and GB/T 6931.3 apply to this document.
4 Model and marking
4.1 Model
One side of the belt is a curved tooth synchronous belt, which is divided into three types of tooth shapes. H, R, and S. The H and S tooth shapes are divided into two pitches of 8mm and 14mm, and the R tooth shape is divided into two pitches of 8mm and 14mm.
There are three pitches. 8mm, 12mm and 14mm. The other side of the belt is a multi-V belt, which is divided into two models. PK and PL. The structure is shown in Figure 1.
Index number description.
1---with teeth;
2---with wedge;
3---core rope;
4---Tooth cloth.
Figure 1 Belt structure
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