GB/T 28878.10-2019 PDF English
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Specification of the rotating component in space science experiments -- Part 10: Storage and reinspection
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GB/T 28878.10-2019: Specification of the rotating component in space science experiments -- Part 10: Storage and reinspection
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT28878.10-2019
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 49.035
V 22
Specification of the rotating component in space
science experiments - Part 10: Storage and
reinspection
ISSUED ON: JUNE 04, 2019
IMPLEMENTED ON: OCTOBER 01, 2019
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 Storage conditions ... 5
5 Reinspection ... 5
6 Data analysis and evaluation ... 7
Specification of the rotating component in space
science experiments - Part 10: Storage and
reinspection
1 Scope
This Part of GB/T 28878 specifies the storage conditions and reinspection
methods of rotating component in space science experiments under specified
conditions, as well as data analysis and evaluation after storage. Among them,
if there are special requirements for the environmental conditions of storage
and reinspection in the contract or technical requirements, it shall be
implemented in accordance with the contract or technical requirements.
This Part applies to the storage and reinspection of rotating component in space
science experiments at the component level and the complete-machine level.
The storage and reinspection of rotating component of other payloads and
spacecraft platforms in the corresponding state can refer to it for use.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
GB/T 14481-2008, Test procedure for single-phase synchronous machines
GB/T 20638-2006, General specification for stepping motors
GB/T 25915.1-2010, Cleanrooms and associated controlled environments.
Part 1: Classification of air cleanliness
GB/T 28878.1, Specification of the rotating component in space science
experiments. Part 1: General requirements of design
GB/T 28878.6-2016, Specification of the rotating component in space
science experiments. Part 6: Property testing
3 Terms and definitions
Terms and definitions determined by GB/T 28878.1 and the following ones are
applicable to this document.
3.1 Storaging term
The term of storage under certain environmental conditions from the completion
of the production and delivery to the start of use.
3.2 Parallel storage specimen
The test specimen that is stored synchronously with the product in order to
simultaneously grasp the key characteristic parameters of the product sensitive
to the storage environment and storage life, in the process of product storage.
4 Storage conditions
4.1 Ground storage environmental conditions
The ground storage environment shall meet the following requirements:
a) temperature: 20°C ± 10°C;
b) air pressure: 86 kPa ~ 106 kPa;
c) relative humidity: 30% ~ 50%;
d) cleanliness: ISO level-8 that is required by GB/T 25915.1-2010.
4.2 In-orbit storage environmental conditions
The in-orbit storage environment shall meet the following requirements:
a) For grease-lubricated rotating component that is stored in orbit, the
temperature should be above -10°C.
b) Other environmental parameters are not subject to special requirements.
5 Reinspection
5.1 Reinspection cycle
The reinspection cycle shall meet the following requirements:
a) It should be re-inspected every 6 months during the ground storaging term;
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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