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JB/T 12939-2016Tension levellers for strip (English PDF)

带材拉伸弯曲矫直机

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 22, 2016

Implementation date

April 1, 2017

Scope

JB/T 12939-2016 is the English-translated version of 带材拉伸弯曲矫直机.

JB/T 12939-2016 is a recommended Chinese machinery industry standard for tension levellers used on metal strip. It gives the basic parameters, the technical requirements, the composition and function of the equipment, the inspection rules and the inspection and test methods, and it ends with packaging, marking, transport and storage.

The machines it addresses are continuous metal strip tension levellers aligned to the centre line of the production line and working on strip from 0.15 mm to 3.0 mm thick; a tensile strength condition on the strip is stated in the standard itself.

Levellers of other specifications may be built by reference to it. Among the standards it quotes are GB/T 1804-2000, GB 5083, GB 5226.1, GB/T 15706 and JB/T 5000.4. Its codes are H94 and ICS 77.180.

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Document preview — JB/T 12939-2016

National Standard of the People's Republic of China

ICS: 77.180

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

1 Scope
2 Normative references

1 Foreword

JB/T 12939-2016 was issued by MIIT on 22 October 2016 and has been in force since 1 April 2017.

2 Scope

This standard is a recommended Chinese machinery industry standard for tension levellers used on metal strip. It gives the basic parameters, the technical requirements, the composition and function of the equipment, the inspection rules and the inspection and test methods, and it ends with packaging, marking, transport and storage. The machines it addresses are continuous metal strip tension levellers aligned to the centre line of the production line and working on strip from 0.15 mm to 3.0 mm thick; a tensile strength condition on the strip is stated in the standard itself. Levellers of other specifications may be built by reference to it. Among the standards it quotes are GB/T 1804-2000, GB 5083, GB 5226.1, GB/T 15706 and JB/T 5000.4. Its codes are H94 and ICS 77.180.

3 Normative references

JB/T 12939-2016 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 191

GB/T 1804-2000 — General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications

GB 2894

GB/T 3222.1

GB/T 3222.2

GB/T 4026

GB/T 4205

GB/T 4208

GB/T 4879

GB 5083

GB 5226.1

GB/T 6576

GB/T 7932

GB/T 7935

GB/T 13306

GB 14050

GB/T 15706

GB 50231

JB/T 2739

JB/T 5000.3

JB/T 5000.4

JB/T 5000.5

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Classification and status

International classification (ICS): 77.180

Prefix JB/T: recommended standard.

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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

GB 5226.1

Similar standards

JB/T 13982-2021

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