JB/T 1010-1991 Technical requirements for YU series resistance-start asynchronous motors
Some standard content:
Mechanical Industry Standard of the People's Republic of China
Technical Conditions for YU Series Resistance-Start Asynchronous Motors 1 Subject Content and Scope of Application
JB1010-91
Replaces JB1010-77
This standard specifies the type, basic parameters and dimensions, technical requirements, test methods and inspection rules, and marking and packaging requirements for YU series resistance-start asynchronous motors.
This standard applies to various motors derived from YU series resistance-start asynchronous motors (frame sizes 63 to 90) and can also be used as a reference. 2
Referenced standards
GB4831
GB4942
GB1993
GB5171
GB10069
GB10068
GB9651
GB2828
GB12350
GB12665
GB2900 .27
ZBK26005
JB/Z294
JB/DQ3619
Motor product model compilation method
Basic technical requirements for rotating motors
Motor housing protection classification
Motor cooling method
Motor structure and installation type code
(hereinafter referred to as motor), all motor sizes and Tolerances Motors with frame numbers 36 to 400 and flange numbers FF55 to FF1080 or FT55 to FT1080 General technical requirements for small power motors
Determination methods and limits for noise of rotating motors
Determination methods and limits for vibration of rotating motors
Test methods for single-phase asynchronous motors
Batch-by-batch inspection Count sampling procedures and sampling tables Safety requirements for small power motors
Damp heat test requirements for motors used under general environmental conditions Packaging, storage and transportation pictorial symbols
Electrical terminology Small power motors
Technical conditions for centrifugal switches for starting single-phase motors Test methods for insulation between loosely embedded windings of AC low-voltage motors General rules for product quality classification of small power motors 3 Types, basic parameters and dimensions
3.1 The enclosure protection level of the motor is IP44. 3.2 The cooling method of the motor is IC0141. The structure and installation type of the motor shall be manufactured in accordance with the provisions of Table 1. 3.3
Structure and
B3, B5, B14, B34, V1, V3, V5, V6, V18, V19V1, V3, V5, V6, V18, V19, V36B3, B5, B14, B34, B35,
Approved by the Ministry of Machinery and Electronics Industry on June 28, 1991 and implemented on July 1, 1992
JB1010-91
The motor rating is a continuous rating based on the continuous duty system (S1). 3.4
The rated frequency of the motor is 50Hz and the rated voltage is 220V. 3.6 The motor should be manufactured according to the following rated powers: 60, 90, 120, 180, 250, 370, 550, 750, 1100W 3.7 The corresponding relationship between the motor frame number, speed and power shall be in accordance with the provisions of Table 2. Table
More.8 Motor dimensions and tolerances
Core code
The installation dimensions and tolerances of the motor shall comply with the provisions of Tables 3 to 7, and the overall dimensions shall not be greater than those specified in Tables 3 to 7. 3.8.1
990'0-
000*0-
160101
600°0+
800*0+
09*0 years
(9AWISAWI)
600*0-
200°0-
980 °0-
600°0+
800°0-
800·0+
(6IAWI8IAWI)
56800000191
Sseotsrt
"z/V solution
096*0+
STO'0+|| tt||960°0-
vo0*o-
600°0+
800°0+
(BAWITAWI)
JB-100-91
3.8.2The dimensions and tolerances of the motor shaft extension key shall comply with the provisions of Table 8. Table
The radial circular runout tolerance at half the shaft extension length shall comply with the provisions of Table 9. Table
>1c~13
Radial circular runout tolerance
The radial circular runout tolerance of the flange stop to the motor axis and the end face circular runout tolerance of the flange mating surface to the motor axis shall comply with the provisions of Table 10.
Flange stop diameter
11c~130
The parallelism tolerance of the motor axis to the foot support surface is 0.4mm. The flatness tolerance of the motor foot support surface shall comply with the provisions of Table 11. Table
The maximum dimension AB of the distance between the outer edges of the foot>100~160
>16～250
The symmetry tolerance of the keyway on the motor shaft extension shall comply with the provisions of Table 12. Circular runout public welfare
Flatness tolerance
Technical requirements
JB1010—91
Symmetry tolerance
The motor shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved through the prescribed procedures. 4.2 The motor shall be able to operate at rated speed under the following altitudes, ambient air temperature and ambient air relative humidity conditions. 4.2.1 The altitude shall not exceed 1000m.
4.2.2 The maximum ambient air temperature varies with the seasons, but shall not exceed 40℃. mm
Note: If the motor is specified to be used at an altitude of more than 1000m or the ambient air temperature is higher than 40℃, the provisions of Article 5.3.4 of GB755 shall apply. 4.2.3 The minimum ambient air temperature is -15℃. The average maximum relative humidity of the wettest month is 90%, and the average minimum temperature of the month is not higher than 25℃. 4.2.4
The deviation of the power supply voltage and frequency from the rated value during the operation of the motor shall comply with the provisions of GB755. When the power, voltage and frequency of the motor are rated, the guaranteed values of its efficiency and power factor shall comply with the provisions of Table 13. Table
The guaranteed value of the ratio of the motor's stall torque to the rated torque shall comply with the provisions of Table 14. At rated voltage,:
At rated voltage, the guaranteed value of the ratio of the minimum torque to the rated torque during the motor starting process is 0.8 times. 26
JB1010—91
Torque/rated
At rated voltage, the guaranteed value of the ratio of the maximum torque to the rated torque of the motor is 1.8 times. At rated voltage, the guaranteed value of the motor's stall current shall comply with the provisions of Table 15. Table
Stalling current
The tolerance of the guaranteed value of the motor's electrical performance shall comply with the provisions of Table 16. Table
Electrical performance name
Power factor
Locked-rotor torque
Minimum torque
Maximum torque
Locked-rotor current
-0.15 (1-n), at most -0.07bZxz.net
(1cosp)/6, at most 0.07
-15% of guaranteed value
-15% of guaranteed value
-10% of guaranteed value
+20% of guaranteed value
The motor adopts Class E or Class B insulation. When the altitude and ambient air temperature meet the requirements of Article 4.2, the temperature rise limit of the motor stator winding (resistance method) is 75K for Class E insulation and 80K for Class B insulation. The allowable temperature of the bearing (thermometer method) should not exceed 95℃. 27
9B1010-91
If the altitude or ambient air temperature of the test site is different from that specified in Article 4.2, the temperature rise limit shall be modified in accordance with the provisions of Article 5.3.5 of GB755.
Note: During the temperature rise test, the motor shall be installed on an iron base plate, and the size of the iron base plate shall comply with the provisions of Article 6.1.3.1 of GB5171. 4.11 In a hot state and with gradually increasing torque, the motor shall be able to withstand an over-torque test of 1.45 times the rated torque for 15 seconds without a sudden change in speed, stalling or harmful deformation. At this time, the voltage and frequency shall be maintained at the rated value. 4.12 Under no-load conditions, the motor shall be able to withstand an increase in speed to 120% of its rated value for 2 minutes without harmful deformation. 4.13 The insulation resistance of the motor stator winding to the housing and between the windings shall not be less than 1.0M2 in hot state or after temperature rise test, or shall not be less than 20M9 in normal state.
4.14 The stator winding of the motor should be able to withstand a withstand voltage test lasting 1 minute without breakdown. The frequency of the test voltage is 50Hz and it should be a sine wave as much as possible. The effective value of the voltage is 1500V. When a large number of motors are inspected and tested, the test time is allowed to be shortened to 1s, and the effective value of the test voltage is 1800V. The test voltage is applied by a test rod.
4.15 The stator winding of the motor should be able to withstand the turn-to-turn insulation impulse voltage test without breakdown. The impulse test voltage (peak value) is 1800V. It is also allowed to be replaced by an increased voltage test. The test is carried out when the motor is unloaded, the external applied voltage is 130% of the rated voltage, and the time is 3 minutes. When the voltage value is increased to 130% of the rated voltage, the frequency is allowed to be increased at the same time, but it should not exceed 115% of its rated value. 4.16 After the damp heat test of the motor, the insulation performance shall meet the following requirements; The insulation resistance of the motor winding to the housing and between the windings: after 6 cycles of the alternating damp heat test, it shall not be less than 0.22MQ, or after 2 cycles of the fixed damp heat test, it shall not be less than 1.0MS, b. The insulation withstand voltage test of the motor winding to the housing and between the windings shall be able to withstand 85% of the test voltage specified in Article 4.14 of this standard for 1 minute without breakdown.
4·17 The effective value of the vibration velocity measured when the motor is no-load shall not exceed 2.8mm/s. 4.18
The noise value of the A-weighted sound power level measured when the motor is no-load shall not exceed the value specified in Table 17. Table
Power, rate
66~250
37~750
dB (A)
When inspecting and testing the motor, the current and loss at no-load and stall should be within a certain range of values, which should ensure that the motor performance meets the requirements of Articles 4.4 to 4.9 of this standard. 4.20 The centrifugal switch of the motor should meet the requirements of ZBK26005. 4.21 The disconnecting speed of the centrifugal switch of the motor is 70%~85% of the synchronous speed. 4.22 There should be a grounding screw in the terminal box of the motor, and a grounding mark should be set near the grounding screw. This mark should not be easily erased during the use of the motor.
4.23 Where this standard does not specify safety requirements, it shall be in accordance with the provisions of Chapters 4, 12, 13, 14, 15, 17, 18, 19, and 20 of GB12350.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.