GB/T 31847-2015Mechanical structures for electrotechnical and electronic equipment—Modular order and associated applications (English PDF)
电工电子设备机械结构 模数序列及其应用
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 3, 2015
Implementation date
February 1, 2016
Scope
GB/T 31847-2015 is the English-translated version of 电工电子设备机械结构 模数序列及其应用.
GB/T 31847-2015 is the Chinese standard "Mechanical structures for electrotechnical and electronic equipment—Modular order and associated applications".
Its scope clause reads: This standard specifies the terms and definitions apply modulus of the sequence structure of the electric and electronic equipment, machinery, modulus Series and number sequence.
This standard applies to metric sizes and inch series of electrical and electronic equipment - Dimensions of mechanical structures. Its clauses include terms and definitions.
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Document preview — GB/T 31847-2015
National Standard of the People's Republic of China
- ICS
- 31.240
- Classification
- K 05
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 modulo 2 sequence
- 4.1 General Rule
- 4.2 metric series modulo sequence
- 4.3 inch size range of modulus mesh
- 5.4 Application of the modulus of
- 5.5 modulus (grid spacing) Application Example
- Appendix A (informative) Background modulus and its applications
- Annex B (informative) national standards, international standards adopted by publication or coordination modulus size
- References
1 Scope
This standard specifies the terms and definitions apply modulus of the sequence structure of the electric and electronic equipment, machinery, modulus Series and number sequence.
This standard applies to metric sizes and inch series of electrical and electronic equipment - Dimensions of mechanical structures.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 1360-1998 printed circuit grid system
GB/T 8582-2008 term structural mechanical electrical and electronic equipment (All parts) GB/T 19290 in the development of mechanical structures for electronic equipment modulus sequence
GB/T 19520 (all parts), electronic equipment mechanical structure 482.6mm (19in) series of mechanical structure size
IEC Guide 103 Size coordinated Guide (Guidefordimensionsforco-ordination)
3 Terms and Definitions
GB/T 8582-2008 and defined the following terms and definitions apply to this document. For ease of use, repeat the following list
GB/T in 8582-2008 of certain terms and definitions.
3.1 Module
All edges are integer multiples of the grid from the three-dimensional structure can also be used for two-dimensional grid.
[GB/T 8582-2008, the definition 3.1.1]
3.2 Modulus modular
One-dimensional module grid spacing value.
[GB/T 8582-2008, the definition 3.1.2]
3.3 The basic module basemodular
Modulus modulus specified sequence, its value is equal to the basic grid spacing.
[GB/T 8582-2008, the definition 3.1.3]
3.4 Modulus sequence modularorder
Establish coordination dimensions and basic grid spacing, multiple grid spacing, as well as to determine the grid for mounting equipment isomers distance between a set of rules.
[GB/T 8582-2008, the definition 3.1.4]
3.5 Mesh grid
Theory of equal size arranged in a straight line orthogonal.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
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