GB/T 6792-2009 English PDF

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GB/T 6792-2009: Measure method of stress and deformation for bus skeleton
Status: Valid

GB/T 6792: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6792-2009	459	Add to Cart	4 days	Measure method of stress and deformation for bus skeleton	Valid
GB/T 6792-1996	879	Add to Cart	6 days	Measure method of stress and deformation for bus body skeleton	Obsolete
GB/T 6792-1986	RFQ	ASK	3 days	Electrometric method of stress for bus body skeleton	Obsolete

Similar standards

GB 13057   GB/T 12428   GB 19260   GB/T 25982   

Basic data

Standard ID: GB/T 6792-2009 (GB/T6792-2009)
Description (Translated English): Measure method of stress and deformation for bus skeleton
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: T42
Classification of International Standard: 43.080.20
Word Count Estimation: 20,269
Date of Issue: 2009-03-23
Date of Implementation: 2010-01-01
Older Standard (superseded by this standard): GB/T 6792-1996
Quoted Standard: GB/T 4780-2000; GB/T 12428; GB/T 12674; GB 12676
Regulation (derived from): National Standard Approval Announcement 2009 No.3 (Total No.143)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the bus skeleton stress and strain measuring instruments, auxiliary equipment, measurement results processing and report measurement, measurement conditions, measurement method. This standard applies to passenger cars skeleton non- ramjet body, can refer to the use of other buses.

GB/T 6792-2009: Measure method of stress and deformation for bus skeleton

---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.
Measure method of stress and deformation for bus skeleton ICS 43.080.20 T42 National Standards of People's Republic of China Replacing GB/T 6792-1996 Bus skeleton stress and deformation measurement methods Posted 2009-03-23 2010-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 6792-1996 "bus body skeleton stress, strain measurement method." This standard compared with GB/T 6792-1996, the main changes are as follows. --- Increasing the bus skeleton terminology explanation (see 3.1); --- Delete the original standard equipment on specific aspects of fixation methods and damping terms (see the 1996 version 5.2.1 - 5.2.4); --- Revised test equipment for specific requirements, such as. the "tape recorder" to "Data Acquisition System" (see the 1996 version 3; this Chapter 4 edition); --- Increasing the braking condition and vibration condition test methods in dynamic stress tests to distinguish vibration conditions and braking conditions (see 7.2); --- Increasing the braking condition Test site requirements (see 5.2.3); --- Increased vibration conditions bench test method (see 7.2.2). The Standard Appendix A, Appendix B, Appendix C, Appendix D, Appendix E, Appendix F and Appendix G are informative appendices. This standard was proposed by the National Development and Reform Commission. This standard by the National Automotive Standardization Technical Committee (SAC/TC114) centralized. This standard was drafted. National Bus Quality Supervision and Inspection Center, Zhengzhou Yutong Bus Co., Ltd., Xiamen King Long Engineering Co., Ltd., Jinhua Youngman Automobile Manufacturing Co., Ltd. The main drafters of this standard. Zhou Zhengping, Wei Jianhua, Duan Yong, Li Dongmei, Zhou Qin State, Fangfang. This standard replaces the standards previously issued as follows. --- GB/T 6792-1986, GB/T 6792-1996. Bus skeleton stress and deformation measurement methods

1 Scope

This standard specifies the bus skeleton stress and strain measuring instruments, auxiliary equipment, measurement conditions, measurement methods, measurement results and measurement processing Report the amount of content. This standard applies to passenger cars backbone non ramjet body, you can refer to other passenger use.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 4780-2000 term auto body GB/T 12428 quality passenger load calculation method GB/T 12674 Automotive Quality (by weight) parameter measurement method GB 12676 automotive braking systems structure, performance and test methods

3 Terms and Definitions

GB/T 4780-2000 and established in the following terms and definitions apply to this standard. 3.1 Passenger load carrying body and the chassis frame.

4 measuring instruments and auxiliary equipment

4.1 Measuring Instruments Static strain gauges, dynamic strain gauge, data acquisition systems, signal processing systems, roll meter, multimeter, megger, vehicle road simulation vibration Dynamic test stand and so on. 4.2 aids Support vehicle stool, bar, plate, gauge length, triangular wood and other (straight length and regulations may make reference to Appendix A).

5 measurement conditions

5.1 Environment 5.1.1 Static measurements indoors. Temperature of -10 ℃ ~ 40 ℃, the rate of change does not exceed ± 2 ℃/h; relative humidity less than 85%; no direct sunlight, heat radiation, wind and corrosive gases; non-frequency magnetic field interference. 5.1.2 Dynamic measurements on roads. A temperature of 0 ~ 40 ℃, the rate of change does not exceed ± 2 ℃/h; relative humidity less than 85%; test No amount of link power frequency magnetic field interference. Testing, environmental conditions 5.1.3 in the vehicle road simulation vibration test rig reference 5.1.1. 5.2 Site 5.2.1 static measurement site should be flat, the angle of inclination of not more than 1%, otherwise the plate pad level. 5.2.2 dynamic measurement sections should be similar to bus line runs required in Table 1. ......

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