Detail of GB/T 20638-2023

Introduction of GB/T 20638-2023

General specification for stepping motors 1 Scope This document specifies the basic parameters, technical requirements and test methods, inspection rules, delivery preparation and user service of stepping motors. This document is applicable to the design and manufacture of permanent magnet, hybrid and reluctance stepping motors. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB 755 Rotating electrical machines - Rating and performance GB/T 2423.1-2008 Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold GB/T 2423.2-2008 Environmental testing for electric and electronic products - Part 2: Test methods - Test B: Dry heat GB/T 2423.3-2016 Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state GB/T 2423.5-2019 Environmental testing - Part 2: Test methods - Test Ea and guidance: Shock GB/T 2423.10-2019 Environmental testing - Part 2: Tests methods - Test Fc: Vibration (sinusoidal) GB/T 2423.22-2012 Environmental testing - Part 2: Tests methods - Test N: Change of temperature GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 2900.26-2008 Electrotechnical terminology - Electrical machine for automatic control system GB/T 6113.203 Specification for radio disturbance and immunity measuring apparatus and methods - Part 2-3: Methods of measurement of disturbances and immunity - Radiated disturbance measurements GB/T 6113.204 Specification for radio disturbance and immunity measuring apparatus and methods - Part 2-4: Methods of measurement of disturbances and immunity - Immunity measurements GB/T 7345-2008 General requirements for electrical machine for automatic control system GB/T 10405 Type designation for electrical machine for automatic control system GB 17799.3 Electromagnetic compatibility (EMC) - Generic standards - Emission standard for residential, commercial and light-industrial environments GB 17799.4 Electromagnetic compatibility(EMC) - Generic standards - Emission standard for industrial environments JB/T 8162 Packaging for control motor - Specification 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB 2900.26-2008 and the following apply. 3.1 rated current effective value of the current supplied to the winding wire of the stepping motor when the holding torque is generated 3.2 rated power supplied condition state of power supply of stepping motor according to rated current and specified distribution mode 3.3 no-load pull-in frequency maximum pulse frequency without out-of-step for no-load starting of stepping motor 3.4 pull-in frequency starting frequency maximum pulse frequency of stepping motor starting with specified load without out-of-step operation 3.5 pull-out frequency running frequency maximum pulse frequency of stepping motor running with specified load without out-of-step 4 Basic parameters 4.1 Model designation The model designation of stepping motor (hereinafter referred to as motor) shall meet the requirements of GB/T 10405 or special technical conditions for products. 4.2 Voltage class DC voltages 6V, 9V, 12V, 24V, 27V, 36V, 48V, 60V, 80V, 110V are preferred for driving voltage classes.

Contents of GB/T 20638-2023

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Basic parameters 5 Technical requirements and test methods 6 Inspection rules 7 Preparation of delivery 8 User services Annex A (Normative) Test methods