GB/T 40131-2021General specification for reduced-speed permanent-magnet stepping motors (English PDF)
减速永磁式步进电动机通用规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 21, 2021
Implementation date
December 1, 2021
Scope
GB/T 40131-2021 is the English-translated version of 减速永磁式步进电动机通用规范.
GB/T 40131-2021 is the general specification for reduced-speed permanent-magnet stepping motors. It applies to the stepping motors of this kind used in air conditioners, industrial processing equipment, meters and smart home appliances.
The standard defines terms such as phase number, number of beats, distribution manner, lose step and pull-in torque, and sets out motor types and basic parameters, with the basic parameters in a normative annex.
It gives technical requirements and test methods, including environmental tests for low and high temperature, damp heat, shock and sinusoidal vibration under the GB/T 2423 series, and inspection rules with sampling to GB/T 2828.1.
Marking, packaging, transportation and storage, model designation and outline dimensions complete it. It was issued on 21 May 2021 and has applied since 1 December 2021.
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Document preview — GB/T 40131-2021
National Standard of the People's Republic of China
- ICS
- 29.160.30
- Classification
- K 24
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Type and basic parameters
- 5 Technical requirements
- 6 Test method
- 7 Inspection rules
- 8 Marking, packaging, transportation and storage
- Appendix A (informative appendix) Product model designation
- Appendix B (Normative Appendix) Basic Parameters
- Appendix C (informative appendix) Outline and installation dimensions
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules, signs, packages of decelerating permanent magnet stepping motors Loading, transportation and storage.
This standard applies to decelerating permanent magnet stepping motors (hereinafter referred to as stepping motors) for air conditioners, industrial processing equipment, meters, and smart home appliances.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including the amendments used) applies to this document.
GB/T 191 Packaging, storage and transportation pictorial signs
GB/T 2423.1 Environmental testing of electrical and electronic products Part 2: Test methods Test A. Low temperature
GB/T 2423.2 Environmental testing of electric and electronic products Part 2: Test method Test B. High temperature
GB/T 2423.3-2016 Environmental Test Part 2: Test Method Test Cab. Constant Humidity Test
GB/T 2423.5-2019 Environmental Test Part 2: Test Method Test Ea and Guideline. Impact
GB/T 2423.10-2019 Environmental Test Part 2: Test Method Test Fc. Vibration (Sine)
GB/T 2828.1 Sampling inspection procedure by attributes Part 1: Batch inspection sampling plan retrieved by acceptance quality limit (AQL)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Phase number
The number of windings of the decelerating permanent magnet stepping motor.
3.2 Number of beats
The windings of the decelerating permanent magnet stepping motor control the number of times the winding energization state changes within one energization cycle.
3.3 Distribution manner
It stipulates the switching law of the on-off state of each phase winding of the decelerating permanent magnet stepping motor.
3.4 Lose step
The number of steps of the decelerating permanent magnet stepping motor does not correspond to the number of input electrical pulses, and it cannot be eliminated by itself after the dynamic process is over. phenomenon.
3.5 Pull-in torque
Under the specified driving conditions, the decelerating permanent magnet stepping motor can start at the specified frequency without losing the maximum load that it can withstand. Load torque.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 2423.1Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
- GB/T 2423.2Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
- GB/T 2423.3-2016Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state
- GB/T 2423.5-2019Environmental testing - Part 2: Test methods - Test Ea and guidance: Shock
- GB/T 2423.10-2019Environmental testing - Part 2: Test methods - Test Fc: Vibration (sinusoidal)
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Related Standards
GB/T 191-2000 — Packaging-Pictorial marking for handling of goods
GB/T 191-2008 — Packaging - Pictorial marking for handling of goods
GB/T 191-2025 — Graphical symbols marking for handling and storage of packages
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