JB/T 9542-2025 (JB/T 9542-2015) PDF EnglishUS$150.00 · In stock · Download in 9 seconds
JB/T 9542-2015: General specification for two-value capacitor asynchronous motors Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid JB/T 9542: Historical versions
Similar standardsJB/T 9542-2015: General specification for two-value capacitor asynchronous motors---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/JBT9542-2015JB MACHINERY INDUSTRY STANDARD ICS 29.160.39 K 24 RECORD NO.. 49976-2015 Replacing JB/T 9542-1999 General specification for two-value capacitor asynchronous motors Issued on. APRIL 30, 2015 Implemented on. OCTOBER 1, 2015 Issued by. Ministry of Industry and Information Technology of the People's Republic of China Table of ContentsForeword... 3 1 Scope... 5 2 Normative references... 5 3 Types, basic parameters and dimensions... 6 4 Technical requirements... 12 5 Test methods... 16 6 Inspection rules... 16 7 Marking, packaging, storage and transportation... 19ForewordThis Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces JB/T 9542-1999, Specification for two-value capacitor asynchronous motors. Compared with JB/T 9542-1999, the major technical changes are as follows. -- it adds the requirements for motors of frame size 112; -- it adds the requirements for power level 3,700 W; -- it adds the requirements for IP54 and IP55; -- it adds insulation endurance class 155 (F) in 4.9; -- it deletes the content of 4.12 ~ 4.16 of the former standard. The same as GB 12350, it adds in 4.20 that “the safety items nor covered in this Standard shall be as specified in GB 12350”; -- it deletes the content of 7.5 and 7.6 of the former standard and adds in 7.4 that “the packaging, transportation and storage of motors shall be as specified in GB/T 5171.1”; -- it deletes the requirements for warranty period in Clause 8 of the former standard. This Standard was proposed by the China Machinery Industry Federation. This Standard shall be under the jurisdiction of National Technical Committee 26 on Rotating Electrical Machines of Standardization Administration of China (SAC/TC 26). The drafting organizations of this Standard. China National Electric Apparatus Research Institute Co., Ltd., Kaiping Sanwei Micro Motor Co., Ltd., Wuhu Tongli Motor Co., Ltd., Guangzhou Micromotor Co., Ltd., Hangzhou Fusheng Electrical Appliance Co., Ltd., Vkan Certification and Testing Co. Ltd., Nanjing Nanwei Motor Co., Ltd., Zhejiang Linix Motor Co., Ltd., Fujian Wonder Motor Co., Ltd., Ningbo Zhenhai Hongye Electrical Switches Factory. The main drafters of this Standard. Zhang Chuanjia, Zhou Xingen, Lin Zhenwei, Xu Wei, Zhang Yunchang, Luo Junbo, Lu Xiaomao, Jin Yongbo, Yu Zhuangxiang, Luo Honghong, Wu Yunshan. The previous editions of the standard replaced by this Standard are as follows. -- ZBK 20003-89; -- JB/T 9542-1999. General specification for two-value capacitor asynchronous motors1 ScopeThis Standard specifies the types, basic parameters and dimensions, technical requirements, test methods, inspection rules, marking, packaging, storage and transportation for two-value capacitor asynchronous motors. This Standard applies to two-value capacitor asynchronous motors (frame size 71 ~ 112) (hereinafter referred to as motors); for all kinds of motors derived from this series of motors, this Standard can be referred to.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to this document. GB 755, Rotating electrical machines – Rating and performance GB/T 4942.1, Degrees of protection provided by the integral design of rotating electrical machined (IP code) – Classification GB/T 5171.1, Small power motors – Part 1.General technical requirements GB/T 9651, Test procedures for single-phase induction motor3 Types, basic parameters and dimensions3.1 Degrees of protection provided by enclosure of motors are IP44, IP54 and IP55. 3.2 Cooling method for motors is IC41. 3.3 Types of construction and mounting of motors shall be manufactured as specified in Table 1. 3.4 Ratings of motors are continuous ratings based on the continuous load duty (S1). 3.5 Rated power of motors is 50 Hz; rated voltage is 220 V. 3.8 Dimensions and tolerances of motors.4 Technical requirements4.1 Under the following environmental conditions, motors shall be capable of operating in the rated state. 4.6 Under rated voltages and rated frequencies, the guarantee values of the ratio of motors’ maximum torques to rated torques is 1.7. 4.7 Under rated voltages and rated frequencies, the guarantee values of motors’ locked-rotor currents shall be as specified in Table 16. 4.12 The noise limits on A-weighted acoustic power levels during no-load operation of motors shall not exceed the values specified in Table 18; the tolerance of noise value at level N is + 3 dB. 4.16 When motors are wired as shown in Figure 6, seeing from the shaft extension ends, motors rotates clockwise. 4.19 Manufacturers shall guarantee that within one year of use, motors are capable of operating normally in not exceeding two years’ time after the manufacturing date of manufacturers, provided that users use and store motors correctly as specified in instructions for use and maintenance of manufacturers. If damages occur because of ill manufacturing within the time specified or motors are not able to operate normally, manufacturers shall repair or replace parts and even motors free of charge. 4.20 The safety items nor covered in this Standard shall be as specified in GB 12350.5 Test methods5.1 Electrical property test of motors shall be carried out as specified in this Standard and GB/T 9651. 5.2 Testing of vibration shall be carried out as specified in JB/T 10490. 5.3 Testing of noise shall be carried out as specified in GB/T 10069.1. 5.5 Test of enclosure protection degree shall be carried out as specified in GB/T 4942.1. 5.6 Inspection of safety requirements for motors shall be carried out as specified in GB 12350.6 Inspection rules6.1 Exit-factory inspection 6.1.1 Each motor shall be delivered only when they pass the exit-factory inspection and attached with a certificate of soundness. 6.1.2 The items of exit-factory inspection include. 6.2 Type inspection 6.2.1 Type inspection needs to be carried out in one of the following cases. 6.2.2 The items of type inspection include. 6.2.3 The number of sample machines for type test shall not be smaller than 3.In case of any non-conformance item in samples, the number of products sampled for this item shall be doubled. If they still fail to pass, then the batch of products can only be delivered after the non-conformance is eliminated.7 Marking, packaging, storage and transportation7.1 Motors shall be marked as specified in GB 12350. 7.2 Outlets of motors’ stator windings and terminals on wiring boards shall be marked accordingly; marking shall be indelible during the whole service life of motors; they shall be marked as specified in Table 19. 7.3 Motors’ shaft extension flat keys must be fixed on shaft. Shaft extensions and flat key surface shall be provided with anti-rust and protective measures. Flange-type motors must be provided with anti-rust and protective measures for the finished surfaces of flanges. JB/T 9542-2015 JB MACHINERY INDUSTRY STANDARD ICS 29.160.39 K 24 RECORD NO.. 49976-2015 Replacing JB/T 9542-1999 General specification for two-value capacitor asynchronous motors Issued on. APRIL 30, 2015 Implemented on. OCTOBER 1, 2015 Issued by. Ministry of Industry and Information Technology of the People's Republic of ChinaTable of ContentsForeword... 3 1 Scope... 5 2 Normative references... 5 3 Types, basic parameters and dimensions... 6 4 Technical requirements... 12 5 Test methods... 16 6 Inspection rules... 16 7 Marking, packaging, storage and transportation... 19ForewordThis Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces JB/T 9542-1999, Specification for two-value capacitor asynchronous motors. Compared with JB/T 9542-1999, the major technical changes are as follows. -- it adds the requirements for motors of frame size 112; -- it adds the requirements for power level 3,700 W; -- it adds the requirements for IP54 and IP55; -- it adds insulation endurance class 155 (F) in 4.9; -- it deletes the content of 4.12 ~ 4.16 of the former standard. The same as GB 12350, it adds in 4.20 that “the safety items nor covered in this Standard shall be as specified in GB 12350”; -- it deletes the content of 7.5 and 7.6 of the former standard and adds in 7.4 that “the packaging, transportation and storage of motors shall be as specified in GB/T 5171.1”; -- it deletes the requirements for warranty period in Clause 8 of the former standard. This Standard was proposed by the China Machinery Industry Federation. This Standard shall be under the jurisdiction of National Technical Committee 26 on Rotating Electrical Machines of Standardization Administration of China (SAC/TC 26). The drafting organizations of this Standard. China National Electric Apparatus Research Institute Co., Ltd., Kaiping Sanwei Micro Motor Co., Ltd., Wuhu Tongli Motor Co., Ltd., Guangzhou Micromotor Co., Ltd., Hangzhou Fusheng Electrical Appliance Co., Ltd., Vkan Certification and Testing Co. Ltd., Nanjing Nanwei Motor Co., Ltd., Zhejiang Linix Motor Co., Ltd., Fujian Wonder Motor Co., Ltd., Ningbo Zhenhai Hongye Electrical Switches Factory. The main drafters of this Standard. Zhang Chuanjia, Zhou Xingen, Lin Zhenwei, Xu Wei, Zhang Yunchang, Luo Junbo, Lu Xiaomao, Jin Yongbo, Yu Zhuangxiang, Luo Honghong, Wu Yunshan. The previous editions of the standard replaced by this Standard are as follows. -- ZBK 20003-89; -- JB/T 9542-1999. General specification for two-value capacitor asynchronous motors1 ScopeThis Standard specifies the types, basic parameters and dimensions, technical requirements, test methods, inspection rules, marking, packaging, storage and transportation for two-value capacitor asynchronous motors. This Standard applies to two-value capacitor asynchronous motors (frame size 71 ~ 112) (hereinafter referred to as motors); for all kinds of motors derived from this series of motors, this Standard can be referred to.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to this document. GB 755, Rotating electrical machines – Rating and performance GB/T 4942.1, Degrees of protection provided by the integral design of rotating electrical machined (IP code) – Classification GB/T 5171.1, Small power motors – Part 1.General technical requirements GB/T 9651, Test procedures for single-phase induction motor3 Types, basic parameters and dimensions3.1 Degrees of protection provided by enclosure of motors are IP44, IP54 and IP55. 3.2 Cooling method for motors is IC41. 3.3 Types of construction and mounting of motors shall be manufactured as specified in Table 1. 3.4 Ratings of motors are continuous ratings based on the continuous load duty (S1). 3.5 Rated power of motors is 50 Hz; rated voltage is 220 V. 3.8 Dimensions and tolerances of motors.4 Technical requirements4.1 Under the following environmental conditions, motors shall be capable of operating in the rated state. 4.6 Under rated voltages and rated frequencies, the guarantee values of the ratio of motors’ maximum torques to rated torques is 1.7. 4.7 Under rated voltages and rated frequencies, the guarantee values of motors’ locked-rotor currents shall be as specified in Table 16. 4.12 The noise limits on A-weighted acoustic power levels during no-load operation of motors shall not exceed the values specified in Table 18; the tolerance of noise value at level N is + 3 dB. 4.16 When motors are wired as shown in Figure 6, seeing from the shaft extension ends, motors rotates clockwise. 4.19 Manufacturers shall guarantee that within one year of use, motors are capable of operating normally in not exceeding two years’ time after the manufacturing date of manufacturers, provided that users use and store motors correctly as specified in instructions for use and maintenance of manufacturers. If damages occur because of ill manufacturing within the time specified or motors are not able to operate normally, manufacturers shall repair or replace parts and even motors free of charge. 4.20 The safety items nor covered in this Standard shall be as specified in GB 12350.5 Test methods5.1 Electrical property test of motors shall be carried out as specified in this Standard and GB/T 9651. 5.2 Testing of vibration shall be carried out as specified in JB/T 10490. 5.3 Testing of noise shall be carried out as specified in GB/T 10069.1. 5.5 Test of enclosure protection degree shall be carried out as specified in GB/T 4942.1. 5.6 Inspection of safety requirements for motors shall be carried out as specified in GB 12350.6 Inspection rules6.1 Exit-factory inspection 6.1.1 Each motor shall be delivered only when they pass the exit-factory inspection and attached with a certificate of soundness. 6.1.2 The items of exit-factory inspection include. 6.2 Type inspection 6.2.1 Type inspection needs to be carried out in one of the following cases. 6.2.2 The items of type inspection include. 6.2.3 The number of sample machines for type test shall not be smaller than 3.In case of any non-conformance item in samples, the number of products sampled for this item shall be doubled. If they still fail to pass, then the batch of products can only be delivered after the non-conformance is eliminated.7 Marking, packaging, storage and transportation7.1 Motors shall be marked as specified in GB 12350. 7.2 Outlets of motors’ stator windings and terminals on wiring boards shall be marked accordingly; marking shall be indelible during the whole service life of motors; they shall be marked as specified in Table 19. 7.3 Motors’ shaft extension flat keys must be fixed on shaft. Shaft extensions and flat key surface shall be provided with anti-rust and protective measures. Flange-type motors must be provided with anti-rust and protective measures for the finished surfaces of flanges. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. |
