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GB/T 28529-2025: Platform brake testers
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 28529-2025	English	479	Add to Cart	4 days [Need to translate]	Platform brake testers
GB/T 28529-2012	English	369	Add to Cart	3 days [Need to translate]	Platform brake tester

GB/T 28529-2025: Platform brake testers

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ICS 43.180 CCSR17 National Standards of the People's Republic of China Replaces GB/T 28529-2012 Flat plate brake testing bench Published on 2025-08-29 Implemented on 2026-03-01 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of Contents

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 1 4.Classification and Models 2 5.Technical Requirements 2 6.Test Methods 7.Inspection Rule 15 8.Marking, Packaging, Transport and Storage 16 Appendix A (Informative) Braking Force/Wheel Load Synchronization Test Method 18 Reference 19

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 28529-2012 "Flat-plate Brake Testing Bench". Compared with GB/T 28529-2012, the main differences are in structural adjustments and... Aside from editorial changes, the main technical changes are as follows. a) The terms "wheel load," "difference between indicated braking force values," "difference between indicated wheel load values," and "starting force of the brake plate" and their definitions have been added (see 3.3). 3.6, 3.7, 3.9); b) The terms and definitions for “maximum weighing” and “deflection” have been changed (see 3.5, 3.8, and 3.3, 3.5 in the.2012 edition); c) The "Classification and Model" section has been changed (see Chapter 4, Chapters 4 and 5 of the.2012 edition); d) An additional requirement for "environmental adaptability" has been added (see 5.1.1); e) The requirements for "Technical Specifications" and "Units of Measurement" have been changed (see 5.1.2.1, 5.1.2.2, and 6.1.2 and 6.1.3 in the.2012 edition); f) The requirements for “resolution” and “discrimination” have been removed (see Table 2 in the.2012 edition); g) An additional requirement for "display device resolution" has been added (see 5.1.2.2); h) The requirement for a "flat platform structure" has been added (see 5.1.2.3); i) The requirement for "functionality" has been added (see 5.2); j) The requirements for “indication error” and “indication difference” have been changed (see 5.3.1, 5.3.2, Table 2 of the.2012 edition); k) Added requirements for "braking force repeatability" and "vehicle braking rate repeatability" (see 5.3.3.1, 5.3.3.3); l) The requirements for "wheel load repeatability" have been changed (see 5.3.3.2, Table 2 of the.2012 edition); m) The requirements for "zero drift" have been changed (see Table 2 in 5.3.4,.2012 edition); n) The requirement for "no-load variability" has been added (see 5.3.5); o) The requirements for "off-center load error" have been changed (see Table 2 in 5.3.6,.2012 edition); p) Added the requirement for "wheel load overload performance" (see 5.3.7); q) The requirements for "platform" have been changed (see 5.4.1, 7.4.1 in the.2012 version); r) The requirements for "flatness" have been changed (see 5.4.2.1, 6.3.1 in the.2012 edition); s) The requirements for “deflection” have been changed (see 5.4.2.2, 6.3.2 in the.2012 version); t) The requirement for "starting force of the brake plate" has been added (see 5.4.2.4); u) The requirement for a "display device" has been added (see 5.4.3); v) Increased requirements for the electrical system's "braking force, maximum wheel load response time," "inter-channel sampling time difference," and "voltage withstand capability" (see...) 5.4.4.2~5.4.4.4, 5.4.5.1); w) The requirements for "grounding" of electrical systems have been changed (see 5.4.5.3, 6.5.2 in the.2012 edition); x) The requirements for "Appearance Quality" have been changed (see 5.5, 6.1.4 in the.2012 version); y) The requirements for “calibration device” have been changed (see 5.6, 6.7 in the.2012 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 Ministry of Transport of the People's Republic of China. This document is under the jurisdiction of the National Automotive Repair Standardization Technical Committee (SAC/TC247). This document was drafted by. Chengdu Chengbao Development Co., Ltd., Chang'an University, China Academy of Testing Technology, and Shijiazhuang Huayan Transportation Technology Co., Ltd. Technology Co., Ltd., Xiamen Institute of Metrology and Testing, and Zhongcheng Ruice Metrology and Testing Co., Ltd. The main drafters of this document are. Song Xinmin, Gao Jianguo, Shi Peilong, Zhao Jun, Di Jianhui, Jiang Tao, and Luo Wenbo. This document was first published in.2012, and this is its first revision. Flat plate brake testing bench 1.Scope This document specifies the classification and models, technical requirements, test methods, inspection rules, marking, packaging, and transportation of flat-plate brake testing benches. Transportation and storage. This document applies to the design, production, inspection, and use of flatbed automotive brake testing benches. Flatbed motorcycle brake testing benches are also applicable. use.

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 191 Pictorial Symbols for Packaging and Storage GB/T 13306 Nameplates GB/T 13384 General Technical Requirements for Packaging of Mechanical and Electrical Products GB 38900-2020 Motor Vehicle Safety Technical Inspection Items and Methods GB/T 44411-2024 Test Method for Adhesion Coefficient of Motor Vehicle Inspection Equipment and Site 3.Terms and Definitions The following terms and definitions apply to this document. 3.1 Platform Brake Test Bench A device used to simulate the braking of a motor vehicle on a flat road and to test its braking performance. 3.2 Rated loading capacity The flatbed brake testing bench is allowed to bear the maximum static axle load of the vehicle being tested. 3.3 wheelweight Wheel load capacity of motor vehicles. [Source. JT/T 1279-2019, 3.2, with modifications] 3.4 Brake platen Used to support the wheels of the vehicle under inspection, and to transmit braking force and wheel load to the force sensor when the vehicle is braking and weighing. part. 3.5 maximum weight The maximum static wheel load that a flatbed brake testing bench can weigh is [not specified]. 3.6 The absolute value of the difference in the no-load braking force readings measured by the coaxial left and right brake plates of the flat plate brake test bench at the same test point. [Source. GB/T 13564-2022, 3.10, with modifications] 3.7 The absolute value of the difference in wheel load no-load indication error measured by the coaxial left and right brake plates of the flat plate brake test bench at the same weighing point. [Source. JT/T 1279-2019, 3.4, with modifications] 3.8 deflection Under maximum static wheel load, when the brake plate deforms, the displacement in the normal plane of the brake plate at the loading point is adjacent to that of the brake plate. The ratio of the maximum span of the fulcrum. Note. The normal plane is the plane perpendicular to the contact surface of the brake plate. 3.9 Smoothly push (pull) the brake plate along the direction of travel of the vehicle being inspected. When the braking force reading of the plate brake test bench changes, the applied force... (pull. [Source. JJG1020-2017, 3.6, modified] 4.Classification and Model 4.1 Classification Flat plate brake testing benches (hereinafter referred to as "flat plate benches") are divided into three levels according to their rated load capacity. 3t, 10t and 13t. Model 4.2 The model designation method for flatbed stages is shown in Figure 1. Enterprise Name Code Product code, PB --- Flatbed brake testing bench Rated load capacity, expressed in Arabic numerals, in tons (t). Improve the design serial number, using A, B, and C to represent it. Figure 1 Model designation method 5 Technical Requirements 5.1 Basic Requirements 5.1.1 Environmental adaptability The flatbed table should be able to operate normally under the following environmental conditions. a) Ambient temperature. 0℃~40℃; ...