JB/T 13625.1-2019NC horizontal gear hobbing machines - Part 1: Testing of the accuracy (English PDF)
数控卧式滚齿机 第1部分：精度检验
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 2, 2019
Implementation date
January 1, 2020
Scope
JB/T 13625.1-2019 is the English-translated version of 数控卧式滚齿机 第1部分：精度检验.
JB/T 13625.1-2019 is the recommended Chinese machinery industry standard for accuracy testing on numerically controlled horizontal hobbing machines.
It specifies the requirements, the inspection methods and the corresponding tolerances for geometric accuracy, for the positioning accuracy and repeat positioning accuracy of the numerically controlled axes, and for working accuracy.
It applies to CNC horizontal gear hobbing machines with a maximum workpiece diameter of 500 mm and a maximum module of 6 mm, shortened in the text to machine tools.
The checks are performed together with GB/T 8170-2008, GB/T 10095.1-2008, GB/T 17421.1-1998 and GB/T 17421.2-2016. The standard is classified J56 in the Chinese system and 25.040.20 internationally. Issued on 2 May 2019, it has applied since 1 January 2020.
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Document preview — JB/T 13625.1-2019
National Standard of the People's Republic of China
- ICS
- 25.040.20
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 13625.1-2019 was issued by MIIT on 2 May 2019.
It is one of 2 parts of the JB/T 13625 series.
2 Scope
This standard is the recommended Chinese machinery industry standard for accuracy testing on numerically controlled horizontal hobbing machines. It specifies the requirements, the inspection methods and the corresponding tolerances for geometric accuracy, for the positioning accuracy and repeat positioning accuracy of the numerically controlled axes, and for working accuracy. It applies to CNC horizontal gear hobbing machines with a maximum workpiece diameter of 500 mm and a maximum module of 6 mm, shortened in the text to machine tools. The checks are performed together with GB/T 8170-2008, GB/T 10095.1-2008, GB/T 17421.1-1998 and GB/T 17421.2-2016. The standard is classified J56 in the Chinese system and 25.040.20 internationally.
3 Normative references
JB/T 13625.1-2019 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 8170-2008 — Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 10095.1-2008
GB/T 17421.1-1998
GB/T 17421.2-2016
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 13625.2-2019 — Part 2: Technical requirements
6 Classification and status
International classification (ICS): 25.040.20
Prefix JB/T: recommended standard.
......
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/T 8170-2008Rules of rounding off for numerical values & expression and judgement of limiting values
- GB/T 10095.1-2008Cylindrical gears - ISO system of flank tolerance classification - Part 1: Definitions and allowable values of deviations relevant to flanks of gear teeth
- GB/T 17421.1-1998Test code for machine tools - Part 1: Geometric accuracy of machines operating under no-load or quasi-static conditions
- GB/T 17421.2-2016Test code for machine tools - Part 2: Determination of accuracy and repeatability of positioning of numerically controlled axes
Similar standards
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Related Standards
GB/T 8170-2008 — Rules of rounding off for numerical values & expression and judgement of limiting values
JB/T 13625.2-2019 — NC horizontal gear hobbing machines - Part 2: Technical requirements
JB/T 10062-2026 — Probes used in ultrasonic flaw detection - Testing methods for performance
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JB/T 13625.1-2019
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