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JB/T 12381.3-2015NC internal high-pressure forming hydraulic press - Part 3: Accuracy (English PDF)

数控内高压成形液压机第3部分：精度

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 10, 2015

Implementation date

March 1, 2016

Scope

JB/T 12381.3-2015 is the English-translated version of 数控内高压成形液压机第3部分：精度.

JB/T 12381.3-2015 is the Chinese machinery industry standard covering NC internal high-pressure forming hydraulic press, Part 3: Accuracy. It was issued on 10 October 2015 and has been in force since 1 March 2016, as a first edition.

The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 2015 edition.

The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.

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Document preview — JB/T 12381.3-2015

National Standard of the People's Republic of China

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

1 Scope
2 Normative references
3 Inspection requirements
4 Accuracy inspection
4.1 Flatness of the upper face of the worktable (bolster) and of the lower face of the slide (bolster)
4.2 Parallelism of the lower face of the slide (bolster) to the upper face of the worktable (bolster)
4.3 Perpendicularity of the path of the slide (bolster) to the upper face of the worktable (bolster)
4.4 Parallelism of the path of the horizontal cylinder piston, in the vertical direction, to the upper face of the worktable (bolster)
4.5 Relative parallelism of the paths of the horizontal cylinder pistons in the horizontal direction

Document data

Chinese classification (CCS): J62.

Estimated length of the Chinese original: 7,799 words.

3 Inspection requirements

4 Accuracy inspection

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

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JB/T 12381.1-2015|JB/T 12381.2-2015|JB/T 12995.3-2017|JB/T 12995.1-2017|JB/T 12994.3-2017|JB/T 12996.3-2017

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