This standard specifies the type, basic parameters and dimensions, technical requirements, test methods and inspection rules, marking, packaging and warranty requirements of the YEJ series electromagnetic brake three-phase asynchronous motor. This standard applies to the YEJ series (IP44) electromagnetic brake three-phase asynchronous motor (frame size 80-225) (hereinafter referred to as the motor), and all derived series of motors derived from this series of motors can also refer to it. JB/T 6456-1992 Technical conditions for YEJ series (IP44) electromagnetic brake three-phase asynchronous motor (frame size 80~225) JB/T6456-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T6456-1992
Technical conditions for YEJ series (IP44) electromagnetic brake three-phase asynchronous motors
Frame size 80~225)
Published on August 6, 1992
Implementation by the Ministry of Machinery and Electronics Industry of the People's Republic of China on January 1, 1993
Mechanical Industry Standard of the People's Republic of China
Technical conditions for YEJ series (IP44) electromagnetic brake three-phase asynchronous motors
(Frame size 80~225)
Subject content and scope of application
JB/T6456-1992
This standard specifies the type, basic parameters and dimensions, technical requirements, test methods and inspection rules, marking, packaging and warranty period requirements of YEJ series electromagnetic brake three-phase asynchronous motors. This standard applies to YEJ series (IP44) electromagnetic brake three-phase asynchronous motor (frame size 80~225) (hereinafter referred to as motor), and all derived series motors derived from this series of motors can also refer to it for implementation. Reference standardsbZxz.net
Rotating motor
GB1993
Basic technical requirements
Motor housing protection classification
Motor cooling method
Motor structure and installation type code
Motor size and tolerance
Packaging storage and transportation graphic mark
GB12665
GB10069
GB10068
GB1032
JB/Z294
JB/Z346
Frame size 36~400 Flange number FF55~FF1080 or FT55~ FT1080 motorsDamp heat test requirements for motors used under general environmental conditionsRotating motors
Noise measurement method and limit value
Vibration measurement method and limit value
Rotating motors
Three-phase asynchronous motor test methods
AC low-voltage motor scattered winding turn-to-turn insulation test methodsAC low-voltage motor scattered winding turn-to-turn insulation test limit valueType, basic parameters and dimensions
The enclosure protection level of the motor is IP44 (see GB4942.1), of which the electromagnetic brake part has a protection level of IP23.3.2 The cooling method of the motor is IC0141 (see GB1993). 3.3 The structure and installation type of the motor are IMB3, IMB5, IMB6, IMB7, IMB8, and LMB35 (see GB997), and are manufactured according to the provisions of Table 1.
80~160
180~225
The rating of the motor is the continuous rating based on the continuous duty system (S1). 3.4
The Ministry of Machinery and Electronics Industry of the People's Republic of China approved the structure and installation code (IM) on August 6, 1992
Implementation on January 1, 1993
JB/T6456-1992
3.5 The rated frequency of the motor is 50Hz, the rated voltage is 380V, the stator winding power is 3kW or less, the Y connection method is adopted, and the other powers are all △ connection method.
The rated voltage of the electromagnetic brake is 170V DC for motor center height H112 and above, and 3.6V DC for motor center height H100 and below.
The motor should be manufactured according to the following rated powers: 0.55, 0.75, 1.1, 1.5, 2.2, 3, 4, 5.5, 7.5, 11, 15, 18.5, 22, 30, 3745kW3.8The corresponding relationship between the motor frame number, speed and power should be in accordance with the provisions of Table 2. Table 2
132s 2
200L!
Note: The numbers 1 and 2 after S, M and L represent different powers under the same frame and speed. 9 Motor size and tolerance
Speed, t/min
The installation size and tolerance of the motor should comply with the provisions of Tables 3 to 5, and the external dimensions should not be greater than those in Tables 3 to 5. Draw
(02 +4-(01) 08 expect the receiver to slide 3(1a
1005*010
600*0+
691816
JB/T 64561992
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JB/T6456
JB/T64561992
The dimensions and tolerances of the motor shaft extension chain shall comply with the provisions of Table 6. Table 6
Auxiliary extension diameter
8- a36
10-0n36
12_0043
14-8n43
18-n43
The radial runout tolerance at half the length of the motor shaft extension shall comply with the provisions of Table 7. Table 7
Shaft extension diameter
>30~50
>50~60
How many stoppers are aligned with the motor axis
6-8anao
g_ sgo
10-0n90
11-810
late moving public
JB/T64561992
The dimensions and tolerances of the motor shaft extension chain shall conform to the provisions of Table 6. Table 6
Shaft extension diameter
10-0n36
12-0043
14_8n43
16-003||t t||The radial runout tolerance at half the motor shaft extension length shall comply with the provisions of Table 7. Table 7
>30~50
>50~60
9-0190
10-000
4 The radial runout tolerance of the flange stop to the motor axis and the end face runout tolerance of the flange mating surface to the motor axis shall comply with the provisions of Table 8. ||tt ||Flange stop diameter
130~230
>230~350
Medical runout tolerance
The parallelism tolerance of the motor axis to the foot support surface and the flatness tolerance of the foot support surface shall comply with the provisions of Table 9. Table 9
80~112
132~200
Parallelism tolerance
The symmetry tolerance of the keyway on the motor shaft extension shall comply with The motor shall meet the requirements of Table 10. Table 10
Symmetry
Flatness tolerance
Technical requirements
JB/T6456-1992
The motor shall meet the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.1
4.2 The motor shall be able to operate at rated altitude, ambient air temperature and ambient air relative humidity under the following conditions. The altitude shall not exceed 1000m.
4.2.2 The maximum ambient air temperature varies with the season, but shall not exceed 40℃. Note: If the motor is specified to be used at an altitude exceeding 1000m or the ambient air temperature is higher or lower than 40℃, the provisions of GB755 shall be followed. 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
During the operation of the motor, the deviation of the power supply voltage and frequency from the rated value shall comply with the provisions of GB755. 4.3
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 11. Table 11
Efficiency,"%
Speed,/min
Note: The efficiency is determined by the actual measured stray loss analysis method, and the loss does not include the excitation loss of the electromagnetic brake. 1500
Power factor, co
JB/T64561992
At rated voltage, the guaranteed value of the ratio of the motor's stall torque to the rated torque shall comply with the provisions of Table 12. Table 12
Synchronous speed/min
Staple torque/rated torque
JB/T64561992
4.6 Under rated voltage, the guaranteed value of the ratio of the minimum torque to the rated torque during the motor starting process shall comply with the provisions of Table 13. Table 13
Speed, r/min
Minimum torque/rated torque
JB/T6456-1992
Under rated voltage, the guaranteed value of the ratio of the maximum torque to the rated torque of the motor shall comply with the provisions of Table 14. Table 14
Synchronous speed r/min
Maximum torque/rated torque
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