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GB/T 10414-2017 PDF in English

GB/T 10414-2017 (GB/T10414-2017, GBT 10414-2017, GBT10414-2017)
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GB/T 10414-2017: PDF in English (GBT 10414-2017)

GB/T 10414-2017
ICS 21.220.10
J 18
Replacing GB/T 10414.2-2002
Synchronous Belt Drives –
Automotive Synchronous Pulleys
(ISO 9011.1997, Synchronous
Belt Drives – Automotive Pulleys, MOD)
Issued by. General Administration of Quality Supervision, Inspection and
Standardization Administration of PRC.
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Table of Contents
Foreword ... 3
1 Scope .. 5
2 Normative References ... 5
3 Pulley Size... 5
4 Marking .. 5
5 Tooth Size ... 6
6 Pulley Size... 10
7 Pulley Material, Surface Roughness and Balance ... 14
Appendix A (Informative) Structural Changes from this Standard to ISO
9011.1997 .. 15
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard replaces GB/T 10414.2-2002 Belt Drives – Synchronous Belt Drives –
Automotive Pulleys. Compared with GB/T 10414.2-2002, besides editorial
modifications, this Standard has the major technical differences as follows.
--- Add RU, YU model automotive synchronous belt and pulleys; specify the
corresponding technical parameters (see Clause 3 and 5.5).
This Standard adopts re-drafting method to modify and use ISO 9011.1997
Synchronous Belt Drives – Automotive Pulleys.
Compared with ISO 9011-1997, this Standard has more structural adjustment; the
Appendix A lists the clause number comparison list between this Standard and ISO
The clauses involved the technical differences of this Standard from ISO 9011.1997
are marked by a single vertical line (|) in the margin as follows.
--- On normative references, this Standard made the adjustment as per the technical
differences, so that adapt to China’s technical conditions; the adjustment was
centrally reflected in Clause 2 “Normative References”; the specific adjustment
is as follows.
 Use GB/T 11357 that adopts international standard to replace ISO 254
through modification;
 Delete ISO 9010.1997.
--- Add the Marking Diagram for Geometric Tolerance of Pulleys (see Figure 10).
--- Add RU, YU model automotive synchronous belt and pulleys; specify the
corresponding technical parameters (see Clause 3 and 5.5).
This Standard makes the following editorial modifications.
--- Modify the standard name;
--- Adjust the pulley geometric tolerance order (see 6.5);
--- Modify the title of Clause 7 (see Clause 7).
This Standard was proposed by China Machinery Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee for
Standardization of Pulley and Belt (SAC/TC 428).
Drafting organizations of this Standard. Ningbo Yujiang Special Rubber Belt Co., Ltd.,
Mechanics Technology Research General Institute, China Productivity Center for
Machinery, Sichuan Dawn Precision Technology Co., Ltd., Ningbo Fulong
Synchronous Belt Co., Ltd., Wuxi Belt Co., Ltd., Ningbo Fengmao Yuandong Rubber
Co., Ltd., Zhejiang Sunte Technology Co., Ltd., and Ningbo Gul Tz Rubber Co., Ltd.
Chief drafting staffs of this Standard. Yu Xuming, Xu Yingjia, Qin Shuan, Zhou Peng,
Lei Yongzhi, Pan Hairui, Wu Yizhen, Feng Jianbin, Shao Haigen, and Ying Jianli.
The historical editions replaced by this Standard are as follows.
--- GB/T 10414.2-1989;
--- GB/T 10414.2-2002.
Synchronous Belt Drives –
Automotive Synchronous Pulleys
1 Scope
This Standard specifies the model, marking, tooth size, pulley size, pulley material,
surface roughness and balance of automotive synchronous pulleys1) (hereinafter
referred to as pulleys).
This Standard is applicable to the automotive synchronous belt drives2).
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) are applicable to this document.
GB/T 11357 Quality, Surface Roughness and Balance of Transmission Pulleys
(GB/T 11357-2008, ISO 254.1998, MOD)
3 Pulley Size
Trapezoidal tooth. ZA model, ZB model
Curve tooth. H series. ZH model, YH model
R series. ZR model, YR model
S series. ZS model, YS model
U series. RU model, YU model
4 Marking
The marking of automotive synchronous pulleys consists of pulley code, number of
1) Automotive synchronous pulleys are also called automotive time pulleys.
2) Automotive synchronous belt drives are also called automotive timing belt drives.
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.