GB/T 4997-2008General specification for permanent magnet low speed direct current tachogenerator (English PDF)
永磁式低速直流测速发电机通用技术条件
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 13, 2008
Implementation date
March 1, 2009
Scope
GB/T 4997-2008 is the English-translated version of 永磁式低速直流测速发电机通用技术条件.
GB/T 4997-2008 is the Chinese standard "General specification for permanent magnet low speed direct current tachogenerator".
Its scope clause reads: This standard specifies the frame size and type permanent magnet dc low-speed generator operating conditions, technical requirements and test methods, test Condition, inspection rules and delivery preparation.
This standard applies to low-speed permanent magnet DC tachometer generator. This standard should be low-speed permanent magnet DC tachometer generator (hereinafter referred to as motors) used with the product-specific technical requirements. Its clauses include models and frame sizes; operating conditions.
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Document preview — GB/T 4997-2008
National Standard of the People's Republic of China
- ICS
- 29.160.20
- Classification
- K 24
- Replacing
- GB/T 4997-1993
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 4 1 Operating Conditions
- 5 Technical requirements and test methods
- 6 Test conditions
- 7 Inspection rules
- 8 delivered ready
- Appendix A (informative) Model
- Annex B (informative) low-speed permanent magnet generator DC tachometer technical performance parameters
- Annex C (informative) Alnico motor recommended shape and installation dimensions
- Annex D (informative) Alnico motor recommended shape and installation dimensions
1 Scope
This standard specifies the frame size and type permanent magnet dc low-speed generator operating conditions, technical requirements and test methods, test
Condition, inspection rules and delivery preparation.
This standard applies to low-speed permanent magnet DC tachometer generator.
This standard should be low-speed permanent magnet DC tachometer generator (hereinafter referred to as motors) used with the product-specific technical requirements.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1.1999, IDT)
GB/T 7345 motor control basic technical requirements
GB/T 7346 motor control basic shape structure type
GB/T 10405 control motor type designation
JB/T 8162-1999 motor control packaging technology conditions
3 models and frame sizes
3.1 Model
Motor model name should be consistent with the provisions of GB/T 10405 or refer to Appendix A (informative) specified by the product-specific technical requirements.
3.2 Frame
The standard motor is mounted points as the basic installation type, frame size and the corresponding base outside diameter as specified in Table 1.
Table 1 millimeters
Frame 45 557,090,130,160,200 250,320,430,560,600 750
Aliquot motor frame outer diameter of 45 557,090,130,160,200 250,320,430,560,600 750
Assembled motor frame outer diameter of 55 7,085,105,150,180,220,270 350 - - - -
4 Operating Conditions
4.1 Use of environmental conditions
Environmental conditions of the motor should be selected or defined by the product-specific technical requirements in conditions GB/T 7345 provisions of.
4.2 Electrical Schematic
1 shows a circuit diagram of FIG.
Figure 1 […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.
Similar standards
Editions of GB/T 4997
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 4997-2008 | General specification for permanent magnet low speed direct current tachogenerator | current edition | Current |
| GB/T 4997-1993 | General specification for permanent magnet low speed direct current tachogenerator | previous edition | Superseded |
This page sells the current edition, GB/T 4997-2008. Earlier editions are listed for reference only.
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