JB/T 7565.2-2002 Technical requirements for flameproof three-phase asynchronous motors Part 2: YB2-W, YB2-TH, YB2-THW, YB2-TA, YB2-TAW series flameproof three-phase asynchronous motors
Some standard content:
ICS29.260.20
Machinery Industry Standard of the People's Republic of China
JB/T7565.2-—2002
Replaces JB9596—1999
Specification of flameproof three-phase asynchronous motor Part 2: YB2--W, YB2--TH, YB2-THW, YB2--TA, YB2-TAW series
Flameproof three-phase asynchronous motor (frame size 63~355)Specification of flameproof three-phase asynchronous motor Part 2: YB2--W, YB2--TH, YB2--THW, YB2-TA, YB2-TAW series flameproof three phases asynchronous motor(Framesize63to355)
2002-07-16 Issued
2002-12-01 Implementation
Issued by the State Economic and Trade Commission of the People's Republic of China Preface,
Normative reference documents..
Type, basic parameters and dimensions..
Technical requirements,
Test methods.
Inspection rules.
Marking and packaging
JB/T7565.22002
JB/T7565-2002 "Technical conditions for flameproof three-phase asynchronous motors" is divided into 7 parts. Part 1: YB2 series flameproof three-phase asynchronous motor (frame size 63~355): JB/T7565.2-2002
-Part 2: YB2-W, YB2-TH, YB2-THW, YB2-TA, YB2-TAW series flameproof three-phase asynchronous motor (frame size 63355):
Part 3: YB2-F1, YB2-WF1 series corrosion-resistant, outdoor corrosion-resistant flameproof three-phase asynchronous motor (frame size 63~355): Part 4 Part: YB2 series flameproof (dICT4) three-phase asynchronous motor (frame size 63~355): - Part 5: YBF2 series flameproof three-phase asynchronous motor for fan (frame size 63~160): - Part 6: YB2-H series marine flameproof three-phase asynchronous motor (frame size 63~355): Part 7: YBGB, YBGB--W series flameproof three-phase asynchronous motor for pipeline pump (frame size 80~315): This part is the second part of JB/T75652002. This part replaces JB9596-1999.
Compared with JB9596--1999, the main changes of this part are as follows: the frame number is increased from the original H80~315 to H63~355, and its type, basic parameters and dimensions are the same as JB7565-1999 "Technical conditions for YB2 series flameproof three-phase asynchronous motors (frame number 63~355)" - - to: - the enclosure protection level is increased from the original IP54 to IP55: - the use environment conditions and test requirements of motors in dry tropical locations "TA" and dry tropical locations without climate protection "TAW" are added.
The writing format and writing rules of this part are in accordance with the provisions of GB/T1.1-2000 "Guidelines for Standardization Work Part 1: Structure and Writing Rules of Standards".
This part is proposed by the China Machinery Industry Federation. This part is under the jurisdiction of the National Technical Committee for Standardization of Explosion-proof Electrical Equipment, the Explosion-proof Motor Standardization Sub-Technical Committee. This part was drafted by Nanyang Explosion-proof Electrical Research Institute, and Nanyang Explosion-proof Group Co., Ltd., Jiangsu Anda Explosion-proof Electromechanical Group Co., Ltd., Zhejiang Wolong Electric Co., Ltd., and Suzhou Special Electric Motor Factory participated in the drafting. The main drafters of this part are Cheng Yaru, Ren Chunfa, Cheng Mancang, Hui Xiaoliang, Yan Weican, Zhou Changming, and Wang Jun. The previous versions of the standards replaced by this part are: ZB K25 004-1989:
JB9596—1999.
JB/T7565.2—2002
Technical conditions for flameproof three-phase asynchronous motors Part 2: YB2-W, YB2-TH, YB2THW, YB2-TA, YB2-TAW series flameproof three-phase asynchronous motors (frame size 63 to 355) 1 Scope
This part specifies the technical requirements, test methods, inspection rules and marking and packaging requirements for YB2-W, YB2-TH, YB2-THW, YB2-TA, YB2-TAW series flameproof three-phase asynchronous motors. This part is applicable to flameproof three-phase asynchronous motors (frame size 63 to 355) (hereinafter referred to as motors) for outdoor locations (code W), humid tropical locations (code TH), outdoor humid tropical locations (code THW), dry tropical locations (code TA), and outdoor dry tropical locations (code TAW).
, 2 Normative references
The clauses in the following documents become the clauses of this part through reference in this part of JB/T7565. For all referenced documents with dates, all subsequent amendments (excluding errata) or revisions are not applicable to this part. However, the parties who reach an agreement based on this part are encouraged to study whether the latest versions of these documents can be used. For all referenced documents without dates, the latest versions are applicable to this part. GB755 Ratings and performance of rotating electrical machines (GB755-2000, idtEC60034-1:1996) GB/T2423.1 Environmental testing for electrical and electronic products Part 2: Test methods Test A: Low temperature (GB/T2423.1-2001, idtIEC60068-2-1:1990)
GB/T2423.2 Environmental testing for electrical and electronic products Part 2: Test methods Test B: High temperature (GB/T2423.2-2001. idtIEC60068-2-2:1974)
GB/T2423.4 Basic environmental testing procedures for electric and electronic products Test Db: Cyclic damp heat test method (GB/T2423.4—1993, eqvIEC60068-2-30:1980)
GB/T2423.16 Environmental testing for electric and electronic products Part 2: Test methods Test J and guidelines: Long (GB/T2423.16-1999, idtIEC60068 -2-10:1988) GB/T2423.17 Basic environmental test procedures for electrical and electronic products Test Ka: Salt spray test method (GB/T2423.17-1993, eqvIEC60068-2-11:1981)
GB/T4942.1 Rotating motor housing protection classification (IP code) (GB/T4942.1-2001, idtIEC60034-5:1991) GB/T12351-1990 Tropical rotating motor Environmental technical requirements for motors JB/T4159-1999 General technical requirements for tropical electrical products JB7565-1999 YB2 series three-button step-down motors (frame size G3~355) 3 Type, basic parameters and dimensions
The type, basic parameters and dimensions of the motor shall comply with the provisions of JB7565--1999. 4 Technical requirements
4.1 In addition to complying with the provisions of this section, the technical requirements of the motor shall also comply with the provisions of JB7565--1999. 4.2 The motor shall be able to operate normally in the operating environment conditions listed in Table 1. 4.3 The motor adopts F-class insulation. When the operating environment conditions meet the requirements of 4.2 of this section, the temperature rise of the stator winding (resistance method) shall not exceed 80K (the 2nd and 4th poles of frame 315L and frame 355 are allowed to be assessed at 100K), and the maximum surface temperature of the shell (thermometer method) JB/T7565.2-2002
shall not exceed 120℃.
4.4 The motor shall have moisture-proof performance. After the motor is subjected to 12 cycles (W, TH, THW, TAW) or 6 cycles (TA) 40℃ alternating damp heat test according to GB/T2423.4, it shall meet the requirements of 4.2 in GB/T12351--1990, and the flameproof surface shall not be corroded. 4.5 The design, material selection and process requirements of the motor shall comply with the provisions of Appendix A of JB/T4159-1999. The metal flameproof surface shall have anti-rust measures, such as electroplating, phosphating, and coating with 204-1 anti-rust oil, but paint is not allowed. 4.6An anti-humidity heater can be installed inside the motor. The power of the heater should be able to make the air temperature near the part that needs to be protected inside the casing at least 5K higher than the ambient temperature.
When designing and installing the heater, it should be considered that the heating temperature of the heater will not cause the insulation nearby to exceed its heat-resistant temperature. Table 1
Environmental parameters
Air temperature
Relative air
Humidity%
Annual maximum
Annual minimum
Air pressure kPa
Solar radiation W/m
Ambient air movement
Rainfall intensity mm/min
Precipitation conditions (rain, snow, etc.)
Condensation conditions
Salt air
Icing and frosting conditions
Sand mg/m
Dust (double floating). mg/m
Dust (sedimentation) mg/m
Sulfur dioxide
Hydrogen sulfide
Hydrogen chloride
Hydrogen nitride
Nitrogen oxide
Average value*
Coal explosive gas mixture
YB2-—TH
Motor protection type
YB2—THW
95(28℃）b
·When the user department proposes a low temperature requirement of less than -20℃～-35℃, it will be determined through negotiation when placing an order. It means that the average minimum temperature of the month is 28℃. "Equivalent to an altitude of 1000m. If it exceeds 1000m, it shall be in accordance with the provisions of GB755. d does not include flammable and explosive dust.
. The average value refers to the average value of the long-term value. (Equivalent to the value of nitrogen dioxide.
YB2-TA
YB2-TAW
JB/T7565.2-2002
4.7 The enclosure protection level of "W", THW", "TAW" motors shall not be lower than IP55. In addition to complying with the provisions of GB/T4942.1, its technical requirements shall also meet the following requirements: a) After the dustproof test, no dust shall enter the bearing chamber: b) After the waterproof test, no water shall enter the junction box, bearings and end cover stoppers. 4.8 The selection and quality requirements of the motor surface paint shall comply with the provisions of 4.2.5 in GB/T12351-1990. 4.9 The electroplated parts and chemically treated parts of "TII", "THW", "TA", "TAW" motors shall comply with the provisions of 2.5 of JB/T4159-1999 after the salt test according to GB/T2423.17. 4.10 "TH" and "THW" motors shall have resistance performance. The insulation and plastic parts or materials exposed to the air shall not exceed the level 3 requirements specified in GB/T2423.16 after a 28-day long exposure test, that is, the long capsule area shall not exceed 25% to 50%. 4.11 "W" motors shall be subjected to low temperature resistance test according to GB/T2423.1. At the test temperature, the bearing grease shall not solidify, the motor shall be able to start normally, and the lead wires and plastic and rubber parts shall not crack. 2 "TA" and "TAW" motors shall be subjected to high temperature resistance test according to GB/T2423.2 Test. Under the test temperature, the motor should be able to operate normally.
5 Test methods
5.1 In addition to complying with the provisions of this section, the test methods of motors shall also comply with the provisions of JB7565--1999. 5.2 The alternating damp heat test method shall be carried out in accordance with the provisions of GB/T2423.4. 5.3 The salt chip test method shall be carried out in accordance with the provisions of GB/T2423.17. 5.4 The enclosure protection test method shall be carried out in accordance with the provisions of GB/T4942.1, and its installation method shall be consistent with the installation structure type of the motor. 5.5 The long Fei test method shall be carried out in accordance with the provisions of GB/T2423.16. 5.6 High and low temperature performance tests can be carried out when the product structure is finalized or when there are major changes in the structure and process. The high temperature test method shall be carried out in accordance with GB/T2423.2. The test temperature is 55℃±3℃, and the operation The time is 2h. The low temperature test method is carried out in accordance with GB/T2423.1. The test temperature is -20℃±3℃ and the duration is 2h. Observe in the laboratory (box) whether it can start normally and whether the grease is solidified. Other appearance inspections are carried out after the motor is taken out of the laboratory (box) and restored to room temperature. 6 Inspection rules
In addition to complying with the provisions of this part, the inspection rules for motors shall also comply with the provisions of JB7565-1999. 6.2 In any of the following circumstances, the motor shall be subjected to artificial simulated environment testing. a) Trial production of new products:
b) Changes in motor design, process or materials used are sufficient to affect climate protection performance: c) Regular sampling of mass-produced motors or interval production exceeds the sampling period. 6.3 The number of samples for artificial simulated environment tests and the regular sampling period shall comply with the provisions of Table 2. Table 2|| tt||Artificial simulated environment test items
Alternating damp heat test
Salt spray test
Enclosure protection test
High and low temperature test
Long berry test
Sample name and quantity
Two fully assembled motors
Electric key parts and chemical treatment parts, three pieces of each typeOne fully assembled motor
Insulation and plastic parts, three pieces of each type
Test period
Sampling test once every two years
Sampling test once per batch of parts or per year
Only in the case of a) and b) specified in 6.2Sampling test once every three years
6.4 The artificial simulated environment test shall be carried out after the manufacturer has passed the type test specified in JB7565-1999. 6.5 Each test of the artificial simulated environment test can be carried out with separate samples. 6.6. Artificial simulated environment test is allowed to be carried out on representative samples with the same structure, process and material. If the test is qualified, the motor or parts represented by 3
JB/T7565.2-2002
are considered qualified. 6.7 The judgment and retest requirements of artificial simulated environment test results shall comply with the provisions of 6.4 of GB/T12351-1990. 7 Marking and packaging
7.1 In addition to complying with the provisions of this part, the marking and packaging of motors shall also comply with the provisions of JB7565--1999. 7.2 The environmental code "W", "TH", "THW", "TA", "TAW" shall be added after the product model of the motor. For example, the frame size is 250, and the 4-pole outdoor motor should be written as: YB2-2504W. Before packaging, temporary anti-rust measures shall be taken for exposed metals that have not been painted or electroplated for chemical protection 7.3. Machinery Industry Standard of the People's Republic of China Technical Specifications for Flameproof Three-Phase Asynchronous Motors Part 2: YB2-W, YB2-TH, YB2-THW, YB2TA, YB2-TAW Series Flameproof Three-Phase Asynchronous Motors (Frame Size 63 to 355) JB/T7565.2-2002 Published by Machinery Industry Press |tt||No. 22, Baiwanzhuang Street, Beijing
Postal code: 100037
Format: 890mm×1240mm1/16·0.75 printing sheet·13,000 words1st edition, 1st printing, December 2002
Book number: 15111·7164
Website: http://www.cmipbook.comEditorial office telephone: (010) 88379779
Direct sales center telephone: (010 88379693The cover without anti-counterfeiting label is pirated
Copyright reserved
Infringement will be investigatedcom editorial department phone number: (010) 88379779
direct sales center phone number: (010) 88379693The cover without anti-counterfeiting label is pirated
Copyright reserved
Infringement will be investigatedcom editorial department phone number: (010) 88379779
direct sales center phone number: (010) 88379693The cover without anti-counterfeiting label is pirated
Copyright reserved
Infringement will be investigated1. Low temperature resistance test is required. At the test temperature, the bearing grease should not solidify, the motor should be able to start normally, and the lead wires and plastic and rubber parts should not have cracking. 2. "TA" and "TAW" motors should be subjected to high temperature resistance test in accordance with GB/T2423.2. At the test temperature, the motor should be able to operate normally.
5 Test method
5.1 In addition to complying with the provisions of this part, the test method of the motor shall also comply with the provisions of JB7565--1999. 5.2 The alternating damp heat test method shall be carried out in accordance with the provisions of GB/T2423.4. 5.3 The salt chip test method shall be carried out in accordance with the provisions of GB/T2423.17. 5.4 The shell protection test method shall be carried out in accordance with the provisions of GB/T4942.1, and its installation method shall be consistent with the installation structure type of the motor. 5.5 The long Fei test method shall be carried out in accordance with the provisions of GB/T2423.16. 5.6 High and low temperature performance tests can be carried out when the product structure is finalized or when there are major changes in structure and process. The high temperature test method is carried out in accordance with GB/T2423.2. The test temperature is 55℃±3℃ and the running time is 2h. The low temperature test method is carried out in accordance with GB/T2423.1. The test temperature is -20℃±3℃ and the duration is 2h. In the laboratory (box), observe whether it can start normally and whether the grease is solidified. Other appearance inspections are carried out after the motor is taken out of the laboratory (box) and restored to room temperature. 6 Inspection rules
In addition to complying with the provisions of this part, the inspection rules of motors shall also comply with the provisions of JB7565-1999. 6.2 In any of the following situations, the motor shall be subjected to artificial simulated environment tests. a) Trial production of new products:
b) Changes in motor design, process or materials used are sufficient to affect climate protection performance: c) Regular sampling of mass-produced motors or interval production exceeds the sampling period. 6.3 The number of samples for artificial simulated environment tests and the period of regular sampling shall comply with the provisions of Table 2. Table 2
Artificial simulated environment test items
Alternating damp heat test
Salt spray test
Enclosure protection test
High and low temperature test
Long berry test
Sample name and quantity
Two fully assembled motors
Electric key parts and chemical treatment parts, three pieces of each type One fully assembled motor
Insulation and plastic parts, three pieces of each type
Test period
Sampling test once every two years
Sampling test once per batch of parts or per year
Only in the case of a) and b) specified in 6.2 Sampling test once every three years
6.4 The artificial simulated environment test shall be carried out after the manufacturer has passed the type test specified in JB7565-1999. 6.5 Each test of the artificial simulated environment test can be carried out with separate samples. 6.6. Artificial simulated environment test is allowed to be carried out on representative samples with the same structure, process and material. If the test is qualified, the motor or parts represented by 3
JB/T7565.2-2002
are considered qualified. 6.7 The judgment and retest requirements of artificial simulated environment test results shall comply with the provisions of 6.4 of GB/T12351-1990. 7 Marking and packaging
7.1 In addition to complying with the provisions of this part, the marking and packaging of motors shall also comply with the provisions of JB7565--1999. 7.2 The environmental code "W", "TH", "THW", "TA", "TAW" shall be added after the product model of the motor. For example, the frame size is 250, and the 4-pole outdoor motor should be written as: YB2-2504W. Before packaging, temporary anti-rust measures shall be taken for exposed metals that have not been painted or electroplated for chemical protection 7.3. Machinery Industry Standard of the People's Republic of China Technical Specifications for Flameproof Three-Phase Asynchronous Motors Part 2: YB2-W, YB2-TH, YB2-THW, YB2TA, YB2-TAW Series Flameproof Three-Phase Asynchronous Motors (Frame Size 63 to 355) JB/T7565.2-2002 Published by Machinery Industry Press |tt||No. 22, Baiwanzhuang Street, Beijing
Postal code: 100037
Format: 890mm×1240mm1/16·0.75 printing sheet·13,000 words1st edition, 1st printing, December 2002
Book number: 15111·7164
Website: http://www.cmipbook.comEditorial office telephone: (010) 88379779
Direct sales center telephone: (010 88379693The cover without anti-counterfeiting label is pirated
Copyright reserved
Infringement will be investigated1. Low temperature resistance test is required. At the test temperature, the bearing grease should not solidify, the motor should be able to start normally, and the lead wires and plastic and rubber parts should not have cracking. 2. "TA" and "TAW" motors should be subjected to high temperature resistance test in accordance with GB/T2423.2. At the test temperature, the motor should be able to operate normally.
5 Test method
5.1 In addition to complying with the provisions of this part, the test method of the motor shall also comply with the provisions of JB7565--1999. 5.2 The alternating damp heat test method shall be carried out in accordance with the provisions of GB/T2423.4. 5.3 The salt chip test method shall be carried out in accordance with the provisions of GB/T2423.17. 5.4 The shell protection test method shall be carried out in accordance with the provisions of GB/T4942.1, and its installation method shall be consistent with the installation structure type of the motor. 5.5 The long Fei test method shall be carried out in accordance with the provisions of GB/T2423.16. 5.6 High and low temperature performance tests can be carried out when the product structure is finalized or when there are major changes in structure and process. The high temperature test method is carried out in accordance with GB/T2423.2. The test temperature is 55℃±3℃ and the running time is 2h. The low temperature test method is carried out in accordance with GB/T2423.1. The test temperature is -20℃±3℃ and the duration is 2h. In the laboratory (box), observe whether it can start normally and whether the grease is solidified. Other appearance inspections are carried out after the motor is taken out of the laboratory (box) and restored to room temperature. 6 Inspection rules
In addition to complying with the provisions of this part, the inspection rules of motors shall also comply with the provisions of JB7565-1999. 6.2 In any of the following situations, the motor shall be subjected to artificial simulated environment tests. a) Trial production of new products:
b) Changes in motor design, process or materials used are sufficient to affect climate protection performance: c) Regular sampling of mass-produced motors or interval production exceeds the sampling period. 6.3 The number of samples for artificial simulated environment tests and the period of regular sampling shall comply with the provisions of Table 2. Table 2
Artificial simulated environment test items
Alternating damp heat test
Salt spray test
Enclosure protection test
High and low temperature test
Long berry test
Sample name and quantitybzxZ.net
Two fully assembled motors
Electric key parts and chemical treatment parts, three pieces of each type One fully assembled motor
Insulation and plastic parts, three pieces of each type
Test period
Sampling test once every two years
Sampling test once per batch of parts or per year
Only in the case of a) and b) specified in 6.2 Sampling test once every three years
6.4 The artificial simulated environment test shall be carried out after the manufacturer has passed the type test specified in JB7565-1999. 6.5 Each test of the artificial simulated environment test can be carried out with separate samples. 6.6. Artificial simulated environment test is allowed to be carried out on representative samples with the same structure, process and material. If the test is qualified, the motor or parts represented by 3
JB/T7565.2-2002
are considered qualified. 6.7 The judgment and retest requirements of artificial simulated environment test results shall comply with the provisions of 6.4 of GB/T12351-1990. 7 Marking and packaging
7.1 In addition to complying with the provisions of this part, the marking and packaging of motors shall also comply with the provisions of JB7565--1999. 7.2 The environmental code "W", "TH", "THW", "TA", "TAW" shall be added after the product model of the motor. For example, the frame size is 250, and the 4-pole outdoor motor should be written as: YB2-2504W. Before packaging, temporary anti-rust measures shall be taken for exposed metals that have not been painted or electroplated for chemical protection 7.3. Machinery Industry Standard of the People's Republic of China Technical Specifications for Flameproof Three-Phase Asynchronous Motors Part 2: YB2-W, YB2-TH, YB2-THW, YB2TA, YB2-TAW Series Flameproof Three-Phase Asynchronous Motors (Frame Size 63 to 355) JB/T7565.2-2002 Published by Machinery Industry Press |tt||No. 22, Baiwanzhuang Street, Beijing
Postal code: 100037
Format: 890mm×1240mm1/16·0.75 printing sheet·13,000 words1st edition, 1st printing, December 2002
Book number: 15111·7164
Website: http://www.cmipbook.comEditorial office telephone: (010) 88379779
Direct sales center telephone: (010 88379693The cover without anti-counterfeiting label is pirated
Copyright reserved
Infringement will be investigated3
For exposed metal, temporary anti-rust measures should be taken.
Mechanical Industry Standard of the People's Republic of China
Technical Conditions for Flameproof Three-Phase Asynchronous Motors Part 2: YB2-W, YB2-TH, YB2-THW, YB2TA, YB2-TAW Series Flameproof Three-Phase Asynchronous Motors (Frame Size 63~355)
JB/T7565.2-2002
Published and distributed by Machinery Industry Press
No. 22, Baiwanzhuang Street, Beijing
Postal Code: 100037|| tt||Format 890mm×1240mm1/16·0.75 printing sheet·13,000 words1st edition, first printing, December 2002
Book number: 15111·7164
Website: http://www.cmipbook.comEditorial office phone: (010) 88379779
Direct sales center phone: (010 88379693Books without anti-counterfeiting labels on the cover are all pirated
Copyright reserved
Infringements will be investigated3
For exposed metal, temporary anti-rust measures should be taken.
Mechanical Industry Standard of the People's Republic of China
Technical Conditions for Flameproof Three-Phase Asynchronous Motors Part 2: YB2-W, YB2-TH, YB2-THW, YB2TA, YB2-TAW Series Flameproof Three-Phase Asynchronous Motors (Frame Size 63~355)
JB/T7565.2-2002
Published and distributed by Machinery Industry Press
No. 22, Baiwanzhuang Street, Beijing
Postal Code: 100037|| tt||Format 890mm×1240mm1/16·0.75 printing sheet·13,000 words1st edition, first printing, December 2002
Book number: 15111·7164
Website: http://www.cmipbook.comEditorial office phone: (010) 88379779
Direct sales center phone: (010 88379693Books without anti-counterfeiting labels on the cover are all pirated
Copyright reserved
Infringements will be investigated
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