SN/T 3837.2-2014Technical requirements for the inspection of import electrical and mechanical products for rebuilding. Part 2: Truck tyres (English PDF)

Foreword

SN/T 3837 "import of electromechanical products remanufacturing purpose test technical requirements" is divided into three parts.

--- Part 1. The toner cartridge;

--- Part 2. Truck tires;

--- Part 3. Construction Machinery Group (portion) member.

This section SN/T Section 23837 of.

This section drafted in accordance with GB/T 1.1-2009 given rules.

Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.

This section proposed and managed by the National Certification and Accreditation Administration Committee.

1 Scope

SN/T 3837 This section specifies the technical requirements for inspection purposes imported truck tires.

This section applies to imports of remanufactured truck radial tire testing purposes.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan GB/T 2977 truck tire specifications, size, pressure and load GB/T 4501 truck tire performance indoor test methods GB/T 6326 tires terms and definitions (ISO 4223-1:2002, NEQ) HG/T 2177 quality tire appearance

3 Terms and Definitions

GB/T 6326 defined by the following terms and definitions apply to this document.

Truck tires trucktyre Designed for truck and bus tires and trailer.

This vehicle is in the design and technical characteristics of vehicles and their trailers for the transport of personnel and goods.

Tire remanufacturing tyrerebuilding Tire repair after use for replacement of the tread, new sidewall rubber replacement process, or both, so that the tire carcass One way to extend the life of use.

Delamination separation each carcass ply adhesive face, the adhesive layer between the parts or partial disengagement of the phenomenon.

Piercing size breakthroughsize Polished size hole at the bottom after preparation.

Two holes spacing bothholeclearance the minimum distance between adjacent edges of the hole.