GB/T 14786-2008 English PDF

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GB/T 14786-2008: Tractors and machinery for agricultural and forestry -- Test methods of the driving wheels torsion fatigue
Status: Valid

GB/T 14786: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14786-2008	149	Add to Cart	2 days	Tractors and machinery for agricultural and forestry -- Test methods of the driving wheels torsion fatigue	Valid
GB/T 14786-1993	199	Add to Cart	2 days	Wheels torsion fatigue test methods for tractors, agricultural and forestry machines	Obsolete

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Basic data

Standard ID: GB/T 14786-2008 (GB/T14786-2008)
Description (Translated English): Tractors and machinery for agricultural and forestry -- Test methods of the driving wheels torsion fatigue
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: T64
Classification of International Standard: 65.060.10
Word Count Estimation: 5,565
Date of Issue: 2008-02-03
Date of Implementation: 2008-07-01
Older Standard (superseded by this standard): GB/T 14786-1993
Quoted Standard: GB/T 2979-1999
Regulation (derived from): National Standard Approval Announcement 2008 No.2 (Total No.115)
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 test methods for fatigue Tractors and machinery for agriculture and forestry to reverse the drive wheels. This standard applies to tractors, combine harvester and farm machinery are fitted with tires of the drive wheels.

GB/T 14786-2008: Tractors and machinery for agricultural and forestry -- Test methods of the driving wheels torsion fatigue

---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.
Tractors and machine for the agricultural and forestry.Test methods of the driving wheels torsion fatigue ICS 65.060.10 T64 National Standards of People's Republic of China Replacing GB/T 14786-1993 Agriculture and forestry tractors and machinery Driving wheel torsion fatigue test method 2008-02-03 released 2008-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard is GB/T 14786-1993 "Tractors and agricultural and forestry machinery wheel torsional fatigue test method" amendment. In addition to the revision The editorial changes, the standard compared with GB/T 14786-1993, the main changes as follows. --- Change the standard name; --- Added Chapter 2 normative references. This standard from the date of implementation instead of GB/T 14786-1993. This standard is proposed by the China Machinery Industry Federation. This standard by the National Standardization Technical Committee tractor centralized. This standard was drafted. Luoyang Tractor Institute, the National Tractor Quality Supervision and Inspection Center. The main drafters of this standard. Zhang Xiao Yuan, Wang Hongbin. This standard replaces the standards previously issued as follows. --- GB/T 14786-1993. Agriculture and forestry tractors and machinery Driving wheel torsion fatigue test method

1 Scope

This standard specifies the agricultural and forestry tractor and mechanical drive wheel torsion fatigue test method. This standard applies to tractors, combine harvester and agricultural machinery equipped with driving wheels of the tire.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard. Agricultural tire series

3 test sample

The test sample should be the finished product wheel passed the factory inspection.

4 test equipment

4.1 The test bed should have a device that will allow the wheel to withstand alternating clockwise and counterclockwise torque (see Figure 1). Other loading principles The same test bench can also be used. 1 --- test bench power input; 2 --- test bed wheel; 3 --- connecting flange; 4 --- Platen, briquetting; 5 --- test wheels; 6 --- hinge seat; 7 --- disc 8 --- test bench power output. Figure 1 Wheel torsional fatigue strength test bench sketch ......

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