JB/T 11776.1-2014Heavy Duty Movable Portal-type Turning-milling Machining Centers - Part 1: Testing of the Accuracy (English PDF)
重型龙门移动式车铣复合加工中心 第1部分：精度检验
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 6, 2014
Implementation date
October 1, 2014
Scope
JB/T 11776.1-2014 is the English-translated version of 重型龙门移动式车铣复合加工中心 第1部分：精度检验.
JB/T 11776.1-2014 is the recommended Chinese machinery industry standard covering the accuracy testing of heavy duty movable portal-type turning-milling machining centres.
It prescribes the geometric accuracy and the working accuracy of these machines, the way each of them is tested, and the positioning tolerances of the corresponding axes.
It applies to heavy movable gantry turning-milling machining centres with table widths up to 10000 mm. The document is classified J54 in the Chinese system and 25.040.10 in the international one, and it was issued by the Ministry of Industry and Information Technology. It quotes GB/T 17421.1-1998 and GB/T 17421.2-2000.
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Document preview — JB/T 11776.1-2014
National Standard of the People's Republic of China
- ICS
- 25.040.10
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 11776.1-2014 was issued by MIIT on 6 May 2014 and has been in force since 1 October 2014.
It is one of 2 parts of the JB/T 11776 series.
2 Scope
This standard is the recommended Chinese machinery industry standard covering the accuracy testing of heavy duty movable portal-type turning-milling machining centres. It prescribes the geometric accuracy and the working accuracy of these machines, the way each of them is tested, and the positioning tolerances of the corresponding axes. It applies to heavy movable gantry turning-milling machining centres with table widths up to 10000 mm. The document is classified J54 in the Chinese system and 25.040.10 in the international one, and it was issued by the Ministry of Industry and Information Technology. It quotes GB/T 17421.1-1998 and GB/T 17421.2-2000.
3 Normative references
JB/T 11776.1-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 17421.1-1998
GB/T 17421.2-2000
4 About this standard
Issued by: MIIT
English translation: about 27 pages
5 Related standards
Other parts of this standard:
JB/T 11776.2-2014 — Part 2: Specification
6 Classification and status
International classification (ICS): 25.040.10
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 27 pages — is available in the English PDF.
Referenced standards
Normative references
Similar standards
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Related Standards
JB/T 11776.2-2014 — Heavy Duty Movable Portal-type Turning-milling Machining Centers - Part 2: Specification
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JB/T 11776.1-2014
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