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JB/T 12734-2016Remanufactured internal combustion engines - Connecting rod process specifications (English PDF)

再制造内燃机连杆工艺规范

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

April 5, 2016

Implementation date

September 1, 2016

Scope

JB/T 12734-2016 is the English-translated version of 再制造内燃机连杆工艺规范.

Connecting rod remanufacturing is dealt with in JB/T 12734-2016, a recommended standard of the Chinese machinery industry.

The document fixes the terms and definitions, the requirements on the remanufacturing process, the technical requirements for the finished remanufactured rod, the inspection methods and the inspection rules, and then marking, packaging, transport and storage.

It applies to the remanufacturing of connecting rods for reciprocating internal combustion engines. It quotes GB/T 230.1, GB/T 231.1, GB/T 1958, GB/T 23340-2009, GB/T 28619-2012 and JB/T 6721.2. Its Chinese classification is J92 and its ICS code 27.020.

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Document preview — JB/T 12734-2016

National Standard of the People's Republic of China

ICS: 27.020

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

1 Scope
2 Normative references
3 Terms and definitions
4 Requirements on the remanufacturing process
4.1 General principles
4.2 Disassembly
4.3 Cleaning
4.4 Testing and classification
4.5 Conditions under which an old connecting rod can be remanufactured
4.6 Remanufacturing repair methods
4.7 Assembly
5 Technical requirements of the remanufactured finished product
5.1 Surface roughness
5.2 Dimensional tolerances
5.3 Geometrical tolerances
5.4 Appearance
5.5 Magnetic particle testing
5.6 Service life
6 Inspection methods
6.1 Hardness
6.2 Dimensional deviations
6.3 Form and position errors
6.4 Surface roughness
6.5 Appearance
6.6 Magnetic particle testing
6.7 Testing of the other items
7 Inspection rules
7.1 General principles
7.2 Inspection items
7.3 Sampling period and plan
8 Marking, packaging, transport and storage
8.1 Marking
8.2 Packaging
8.3 Transport
8.4 Storage
8.5 Other

What this standard covers

This standard specifies the terms and definitions of remanufacturing internal combustion engine connecting rods, re-manufacturing process requirements, remanufacturing finished product technical requirements, inspection methods, inspection rules, marking, packaging, transportation and storage. This standard applies to the reciprocating internal combustion engine connecting rod (hereinafter referred to as connecting rod) remanufacturing.

Document data

International classification (ICS): 27.020.

Chinese classification (CCS): J92.

Estimated length of the Chinese original: 8,849 words.

Standards quoted by this document

GB/T 230.1; GB/T 231.1; GB/T 1958; GB/T 23340-2009; GB/T 28619-2012; JB/T 6721.2

3 Terms and definitions

4 Requirements on the remanufacturing process

5 Technical requirements of the remanufactured finished product

6 Inspection methods

7 Inspection rules

8 Marking, packaging, transport and storage

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

JB/T 6721.2

Similar standards

JB/T 13505-2018|JB/T 7292.1-2018|JB/T 7293.2-2010|JB/T 7293.4-2010|JB/T 7293.8-2010|GB/T 1151-2023

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