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GB/T 40206-2021: General specification for precision external rotor axial fan
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GB/T 40206-2021: General specification for precision external rotor axial fan

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General specification for precision external rotor axial fan ICS 29.160.30 K24 National Standards of People's Republic of China General Specification for Precision External Rotor Axial Fan Released on 2021-05-21 2021-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Type and basic parameters 2 5 Technical requirements 2 6 Test method 5 7 Inspection rules 9 8 Delivery preparation 12 9 User Service 12 Appendix A (informative appendix) Installation form of axial fan 13 Appendix B (Normative Appendix) Basic Parameters 14

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This standard was proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard is under the jurisdiction of the National Standardization Technical Committee for Micro-Special Motors and Components for the Information Industry (SAC/TC528). Drafting organizations of this standard. The 21st Research Institute of China Electronics Technology Group Corporation, Hangzhou Micro Optoelectronics Co., Ltd., Changzhou Xiangming Intelligent Power Co., Ltd., Zhejiang Teda Micro Motor Co., Ltd., Suzhou Telecommunications Motor Factory Co., Ltd., Chengdu Micro Precision Motor Co., Ltd., Zhejiang Mechanical and Electrical Design and Research Institute Co., Ltd., Zhejiang Product Quality and Safety Inspection and Research Institute, Nantong Product Quality Supervision and Inspection Institute. The main drafters of this standard. He Ping, Chen Bao, Yu Xiang, Li Hua, Gong Chunyu, Qiu Rongquan, Qiang Yujian, Zhang Wenyong, Yu Jianjun, Zhao Qi, Ruan Jianguo, Jin Yan, Zhou Qinyuan, Xu Ying, Zhang Ruigang. General Specification for Precision External Rotor Axial Fan

1 Scope

This standard specifies the type and basic parameters, technical requirements, test methods, Inspection rules, delivery preparation and user service. This standard applies to the outer diameter of the fan blades used in refrigeration, heating, ventilation and ventilation system equipment not greater than 1200mm, and the power of the drive motor does not exceed 1000W axial flow fan. The axial flow fan with the outer diameter of the blade larger than 1200mm can also be used as a reference.

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 article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 1236-2017 Standardized air duct performance test for industrial ventilators GB/T 2423.1 Environmental testing of electronic and electrical products Part 2.Test method Test A. Low temperature GB/T 2423.2 Environmental testing of electronic and electrical products Part 2.Test method Test B. High temperature 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 2423.17 Environmental testing of electronic and electrical products Part 2.Test method Test Ka. Salt spray GB/T 2658-2015 General technical conditions for small AC fans GB/T 2828.1 Sampling inspection procedure by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 2888 Noise measurement method for fans and Roots blowers GB/T 5171.1-2014 Small power motors Part 1.General technical conditions GB/T 7345-2008 Basic technical requirements for control motors GB/T 10068-2020 Measurement, evaluation and limits of mechanical vibration of motors with a shaft center height of 56mm and above GB/T 12665-2017 Damp heat test requirements for motors used under general environmental conditions JB/T 6445-2017 Overspeed test of fan impeller JB/T 8162 Control Motor Packaging Technical Conditions

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Precisionexternalrotoraxialfan The rotor of the motor is on the outside, and the fan blades are directly connected by crimping, riveting, welding, screw assembly, integral molding, etc., and the airflow is along the axis of the motor. An axial flow fan that is drawn in from one side and flows out to the other side through the blades. Note. The material of the fan blades includes steel, aluminum, and plastic. It can be installed with equipment, brackets, and walls in the form of nets, cylinders, squares, and round frames. 3.2 Subsequent speed folowspeed The speed of the precision external rotor axial flow fan measured after various environmental tests and high temperature life tests. ...