JB/T 6519-1992 Technical requirements for large and medium-sized three-phase asynchronous motors for fan coal mills
Some standard content:
Mechanical Industry Standard of the People's Republic of China
JB/T6519-1992
Technical Conditions for Large and Medium-sized Three-phase Asynchronous Motors for Fan Coal Mills Issued on 1992-12-21
Implementation by the Ministry of Machinery and Electronics Industry of the People's Republic of China on 1993-05-01
Mechanical Industry Standard of the People's Republic of China
Technical Conditions for Large and Medium-sized Three-phase Asynchronous Motors for Fan Coal Mills Subject Content and Scope of Application
JB/T6519—1992
This standard specifies the types, basic parameters, dimensions, technical requirements and inspection rules for large and medium-sized three-phase asynchronous motors for fan coal mills.
This standard applies to large and medium-sized three-phase asynchronous motors for fan coal mills (hereinafter referred to as motors). Such motors are used to drive fan coal mills with particularly large moments of inertia, and can also be used for other machinery with similar driving characteristics. Any matters not specified in this standard shall comply with the provisions of GB755 ≤ Basic Technical Requirements for Rotating Electrical Machines. 2 Referenced Standards
GB4831
Method for Compiling Motor Product Models
Basic Technical Requirements for Rotating Electrical Machines
GB1993
Motor Housing Protection Classification
Motor Cooling Method
Motor Structure and Installation Type Code
GB10069.1
GB10069.3
GB10068.1
GB10068.2
GB1032
Method for Determining Noise of Rotating Electrical Machines Method and limit, noise engineering determination method Rotating motor noise determination method and limit, noise limit Rotating motor vibration determination method and limit, vibration determination method Rotating motor vibration determination method and limit, vibration limit Three-phase asynchronous motor test method
Model, type, basic parameters and dimensions
Model description:
Core length digital code
Center height
-Y indicates asynchronous machine, FM indicates wind room coal mill 3.2 The motor housing protection level is designed and manufactured according to IP54 in GB4942.1. (If the test conditions are not met, it is assessed according to IP44)
3.3 The cooling method of the motor is IC0161 in GB1993, and an air-to-air cooler is installed on the top of the motor. 3.4 The structure and installation type of the motor are IMB3 in GB997. 3.5 The installation size and external dimensions of the motor shall comply with the provisions of the following figure and Table 1. Approved by the Ministry of Machinery and Electronics Industry on December 21, 1992, and implemented on May 1, 1993
No. A Tiancun
4 Technical requirements
4.1 Conditions of use
4.1.1 The altitude shall not exceed 1000m.
JB/T 65191992
4.1.2 The maximum ambient air temperature varies with the season, but shall not exceed 40℃, and the relative humidity shall not exceed 90%. 4.1.3 The minimum ambient air temperature shall be -15℃ for rolling bearings and 5℃ for sliding bearings. 4.1.4 Dust is allowed in the surrounding environment of the motor. 4.2 The rating of the motor is continuous rating S1. The rated frequency of the motor is 50Hz and the rated voltage is 6000V. 4.3
The deviation of the power supply voltage and frequency during the operation of the motor shall comply with the provisions of GB755. 1354
12 969
When the motor is at rated voltage, rated frequency and rated output power, the guaranteed values of efficiency and power factor shall comply with the provisions of Table 2. When the motor adopts sliding bearings, its guaranteed efficiency value is allowed to be 0.3% lower than the value specified in Table 2. Table 2
YFM500—1—6
YFM500--2~6
YFM500—3—6
YFM500—4-6
YFM630-1-8
Synchronous speed
Power factor
JB/T6519
Technical requirements
Use conditions
Altitude not exceeding 1000m.
JB/T 65191992
The maximum ambient air temperature varies with the season, but does not exceed 40℃, and the relative humidity is not more than 90%. The minimum ambient air temperature is -15℃ for rolling bearings and 5℃ for sliding bearings. Dust is allowed in the environment around the motor.
The motor rating is continuous rating S1,
The rated frequency of the motor is 50Hz, and the rated voltage is 6000V. The deviation of the power supply voltage and frequency during the operation of the motor shall comply with the provisions of GB755. When the motor is at rated voltage, rated frequency and rated output power, the guaranteed values of efficiency and power factor shall comply with the provisions of Table 2. When the motor adopts sliding bearings, its guaranteed efficiency value is allowed to be 0.3% lower than the value specified in Table 2. Table 2
YFM500-1-6
YFM500--26
YFM500—3—6bzxZ.net
YFM5004-6
YFM630-1-8
YFM630—28
YFM6303—8
YFM63048
YFM630—5—8
YFM630-6-8
YFM710-1-10
YFM7102-10
YFM710-3-10
YFM7104-10|| tt||YFM800—112
YFM800—2-12
YFM800—312
YFM800-412
YFM800—512
YFM800—6-12
YFM800~7-12
YFM800—812
Synchronous speed
Under rated voltage, the guaranteed value of the ratio of the motor's stall torque to the rated torque is 1.0. 4.7Under rated voltage, the guaranteed value of the ratio of the motor's maximum torque to the rated torque is 2.2. 4.8
Under rated voltage. The guaranteed value of the ratio of the motor's stall current to the rated current is 6.5. The tolerance of the motor performance guarantee value shall comply with the provisions of GB755. Power factor
The motor adopts F-class insulation, and the temperature rise is assessed according to B-class. When the altitude and ambient air temperature meet the requirements of Article 4.1, the temperature rise limit of the motor stator winding (resistance method) should not exceed 80K, the temperature rise limit of the stator core (thermometer method) should not exceed 80K, and the allowable temperature of the bearing (overflow meter method) should not exceed 95℃ for rolling bearings and 80℃ for sliding bearings. 4.11 The motor should be able to withstand 1.6 times the rated torque for 15s without torque mutation, stalling or harmful deformation in the hot state and gradually increasing torque. At this time, the voltage and frequency should be maintained at the rated value. 4.12 The motor should be able to operate at 1.2 times the rated speed for 2min without harmful deformation under no-load conditions. 4.13 The stator winding of the motor shall be able to withstand a 1-minute withstand voltage test without breakdown. The test voltage shall be a sinusoidal waveform as far as possible, with a frequency of 50Hz and an effective value of 1000V + 2 times the rated voltage. The same motor shall not be subjected to this test repeatedly. If the user so requests, an additional test may be conducted on site after installation and before operation. The test voltage shall not exceed 80% of the above provisions. The insulation resistance shall be measured before the test. 4.14 The stator winding of the motor shall be able to withstand a short-term voltage increase test without breakdown of the inter-turn insulation. The test shall be conducted when the motor is unloaded, with an external voltage of 130% of the rated voltage for 3 minutes. When the voltage is increased to 130% of the rated voltage, the frequency or speed may be increased at the same time, but shall not exceed 115% of the rated value. 4.15 The motor shall be rigidly mounted. For motors with a speed of 600r/min or above, the effective value of the vibration velocity measured when unloaded shall not be greater than 2.8mm/s. For motors with a speed lower than 600r/min, the displacement amplitude (double amplitude) measured at no-load shall not be greater than 0.075mm. 4.16
The noise value of the A-weighted sound power level measured when the motor is running at no-load steady state shall not exceed the provisions of Table 3. Table 3
Synchronous rotation
>110~220
>220~550
>550~1100
Noise limit dB(A)
4.17 The motor shaft extension is not allowed to bear external axial force or radial force other than the weight of the coupling. 4.18 The motor should be able to start directly when the following conditions are met. 4.18.1 During the starting process, the motor terminal voltage shall not be less than 85% of the rated voltage. 500
4.18.2 During the acceleration process, the resistance torque generated by the load is proportional to the square of the speed and shall not be greater than 75% of the rated torque at the rated speed. 4.18.3 The load moment of inertia J (mr2) converted to the motor shaft (m-mass, r-average rotation radius) and the allowable starting time shall not exceed the values specified in Table 4.
YFM5001—6
YFM5002—6
YFM5003-6
YFM5004—6
YFM630-18
YFM630—28
YFM630-38
YFM63048
YFM630—5—8
YFM630--6—8
Synchronous speed
Allowed starting time
Maximum moment of inertia allowed for dragging
YFM710110
YFM710—2-10
YFM7 10310
YFM7104—10
YFM800112
YFM800212
YFM800—3—12
YFM800—4—12
YFM800512
YFM800—6—12
YFM800712
YFM800—8—12
JB/T65191992
Table 4 continued
Synchronous speed
Allowable starting time
Maximum moment of inertia allowed for dragging
kg·m2
10 070
11 405
14 916
21 865
24 925
25 130
31 000
32 500
38 000
38 000
40 100
On the premise of meeting 4.18, when the initial temperature is the ambient temperature, the motor is allowed to start twice in succession (it should stop naturally between the two starts). When the motor is in normal operation, if there is a sudden power failure, the motor is allowed to be restarted before it stops completely, but the power failure time must exceed 5s.
A resistance temperature measuring device should be installed on the motor bearing. 4.21
For motors with a center height of more than 630mm, a resistance temperature measuring device and a moisture-proof electric heater should be installed on the stator. The direction of rotation of the motor can be selected arbitrarily, but reciprocating rotation is not allowed, and reverse braking is not allowed. If there are special requirements for the motor, the user and the manufacturer can negotiate together. Supply documents
The documents provided to the user with each motor include: appearance drawing, switch data, technical conditions, operation and maintenance instructions, and temperature measuring device diagram. Warranty period
Under the condition that the user complies with the relevant regulations on installation, use, maintenance, etc., the manufacturer guarantees that the motor can operate well within one year of use (but the manufacturer's shipment date shall not exceed two years). If the motor is damaged or cannot work normally due to poor manufacturing quality within this specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Test inspection items and acceptance rules
The test methods used in the test items in this standard shall comply with the provisions of GB1032, GB10069.1, and GB10068.1. 7.1
Each motor shall be subject to inspection and test. The inspection and test items include: a.
Measurement of insulation resistance between stator winding and casing and between windings; measurement of DC resistance of stator winding in actual cold state; no-load test;
Stalled rotor test:
Overspeed test;
Measurement of vibration;
Short-time increased voltage test;
Withstand voltage test.
The motor must be subjected to type test in any of the following situations: 7.3
When trial production of new products is completed;
JB/T6519—1992
When changes in design or process are sufficient to cause changes in certain characteristics and parameters; When the inspection test results deviate unacceptably from the previous type test results. The motor type test items include: all items of inspection test; temperature rise test; efficiency, power factor and slip rate measurement; short-time over-torque test (if the test conditions are not available, short-time over-current test can be used instead); maximum torque measurement; minimum torque measurement during starting: noise measurement; moment of inertia measurement. Each motor must pass the inspection before leaving the factory, and should be accompanied by a product certificate. Marking, packaging, transportation and storage
The nameplate of the motor should include the following information: a.
Motor name;
Manufacturer name:
Product standard number:
Motor model;
Manufacturer production number;
Wiring method;
Insulation grade;
Enclosure protection grade;
Cooling medium temperature;
Altitude (only for use places above 1000m); Weight;
Production year and month;
Rated power;
Rated frequency;
Rated voltage;
Rated current;
Rated speed.
Rotation direction mark.
Grounding mark.
Packaging and transportation.
The motor should be properly packaged and well fixed when shipped from the manufacturer. To prevent slippage and collision during transportation, the packaging box should have the following marks.
Product name and model;
Gross weight or net weight (kg);
Manufacturer name and address;
Receiving unit and destination;
Precautions (adding \ "handle with care", "do not invert", "prevent moisture", "prevent bumps", etc.) should be marked according to the provisions of GB191.
Additional instructions:
JB/T6519-1992
This standard was proposed and managed by Harbin Large Electric Motor Research Institute. This standard was drafted by Dongfang Electric Motor Factory. The main drafters of this standard are Huang Xingmin and Yang Peng of the People's Republic of China!
Mechanical Industry Standard||tt| |For fan coal mill
Technical conditions for large and medium-sized three-phase asynchronous motors JB/T6519-1992
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing
Format 880×1230
Edition X in xX month, 19XX
Printing number 1-xXX
Postal code 100044)
K Number of words xXXXXX
Printing sheet X/X
Printing in x month, 19XX
Price XXX.XX yuan
XX-XXX
661_619 /3 The load moment of inertia J (mr2) after conversion to the motor shaft (m-mass, r-average rotation radius) and the allowable starting time shall not exceed the values specified in Table 4.
YFM5001—6
YFM5002—6
YFM5003-6
YFM5004—6
YFM630-18
YFM630—28
YFM630-38
YFM63048
YFM630—5—8
YFM630--6—8
Synchronous speed
Allowed starting time
Maximum moment of inertia allowed for dragging
YFM710110
YFM710—2-10
YFM7 10310
YFM7104—10
YFM800112
YFM800212
YFM800—3—12
YFM800—4—12
YFM800512
YFM800—6—12
YFM800712
YFM800—8—12
JB/T65191992
Table 4 continued
Synchronous speed
Allowable starting time
Maximum moment of inertia allowed for dragging
kg·m2
10 070
11 405
14 916
21 865
24 925
25 130
31 000
32 500
38 000
38 000
40 100
On the premise of meeting 4.18, when the initial temperature is the ambient temperature, the motor is allowed to start twice in succession (it should stop naturally between the two starts). When the motor is in normal operation, if there is a sudden power failure, the motor is allowed to be restarted before it stops completely, but the power failure time must exceed 5s.
A resistance temperature measuring device should be installed on the motor bearing. 4.21
For motors with a center height of more than 630mm, a resistance temperature measuring device and a moisture-proof electric heater should be installed on the stator. The direction of rotation of the motor can be selected arbitrarily, but it is not allowed to reciprocate, and reverse braking is not allowed. If there are special requirements for the motor, the user and the manufacturer can negotiate together. Supply documents
The documents provided to the user with each motor include: appearance drawing, switch data, technical conditions, operation and maintenance instructions, and temperature measuring device diagram. Warranty period
Under the condition that the user complies with the relevant regulations on installation, use, maintenance, etc., the manufacturer guarantees that the motor can operate well within one year of use (but the manufacturer's shipment date shall not exceed two years). If the motor is damaged or cannot work normally due to poor manufacturing quality within this specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Test inspection items and acceptance rules
The test methods used in the test items in this standard shall comply with the provisions of GB1032, GB10069.1, and GB10068.1. 7.1
Each motor shall be subject to inspection and test. The inspection and test items include: a.
Measurement of insulation resistance between stator winding and casing and between windings; measurement of DC resistance of stator winding in actual cold state; no-load test;
Stalled rotor test:
Overspeed test;
Measurement of vibration;
Short-time increased voltage test;
Withstand voltage test.
The motor must be subjected to type test in any of the following situations: 7.3
When trial production of new products is completed;
JB/T6519—1992
When changes in design or process are sufficient to cause changes in certain characteristics and parameters; When the inspection test results deviate unacceptably from the previous type test results. The motor type test items include: all items of inspection test; temperature rise test; efficiency, power factor and slip rate measurement; short-time over-torque test (if the test conditions are not available, short-time over-current test can be used instead); maximum torque measurement; minimum torque measurement during starting: noise measurement; moment of inertia measurement. Each motor must pass the inspection before leaving the factory, and should be accompanied by a product certificate. Marking, packaging, transportation and storage
The nameplate of the motor should include the following information: a.
Motor name;
Manufacturer name:
Product standard number:
Motor model;
Manufacturer production number;
Wiring method;
Insulation grade;
Enclosure protection grade;
Cooling medium temperature;
Altitude (only for use places above 1000m); Weight;
Production year and month;
Rated power;
Rated frequency;
Rated voltage;
Rated current;
Rated speed.
Rotation direction mark.
Grounding mark.
Packaging and transportation.
The motor should be properly packaged and well fixed when shipped from the manufacturer. To prevent slippage and collision during transportation, the packaging box should have the following marks.
Product name and model;
Gross weight or net weight (kg);
Manufacturer name and address;
Receiving unit and destination;
Precautions (adding \ "handle with care", "do not invert", "prevent moisture", "prevent bumps", etc.) should be marked according to the provisions of GB191.
Additional instructions:
JB/T6519-1992
This standard was proposed and managed by Harbin Large Electric Motor Research Institute. This standard was drafted by Dongfang Electric Motor Factory. The main drafters of this standard are Huang Xingmin and Yang Peng of the People's Republic of China!
Mechanical Industry Standard||tt| |For fan coal mill
Technical conditions for large and medium-sized three-phase asynchronous motors JB/T6519-1992
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing
Format 880×1230
Edition X in xX month, 19XX
Printing number 1-xXX
Postal code 100044)
K Number of words xXXXXX
Printing sheet X/X
Printing in x month, 19XX
Price XXX.XX yuan
XX-XXX
661_619 /3 The load moment of inertia J (mr2) after conversion to the motor shaft (m-mass, r-average rotation radius) and the allowable starting time shall not exceed the values specified in Table 4.
YFM5001—6
YFM5002—6
YFM5003-6
YFM5004—6
YFM630-18
YFM630—28
YFM630-38
YFM63048
YFM630—5—8
YFM630--6—8
Synchronous speed
Allowed starting time
Maximum moment of inertia allowed for dragging
YFM710110
YFM710—2-10
YFM7 10310
YFM7104—10
YFM800112
YFM800212
YFM800—3—12
YFM800—4—12
YFM800512
YFM800—6—12
YFM800712
YFM800—8—12
JB/T65191992
Table 4 continued
Synchronous speed
Allowable starting time
Maximum moment of inertia allowed for dragging
kg·m2
10 070
11 405
14 916
21 865
24 925
25 130
31 000
32 500
38 000
38 000
40 100
On the premise of meeting 4.18, when the initial temperature is the ambient temperature, the motor is allowed to start twice in succession (it should stop naturally between the two starts). When the motor is in normal operation, if there is a sudden power failure, the motor is allowed to be restarted before it stops completely, but the power failure time must exceed 5s.
A resistance temperature measuring device should be installed on the motor bearing. 4.21
For motors with a center height of more than 630mm, a resistance temperature measuring device and a moisture-proof electric heater should be installed on the stator. The direction of rotation of the motor can be selected arbitrarily, but it is not allowed to reciprocate, and reverse braking is not allowed. If there are special requirements for the motor, the user and the manufacturer can negotiate together. Supply documents
The documents provided to the user with each motor include: appearance drawing, switch data, technical conditions, operation and maintenance instructions, and temperature measuring device diagram. Warranty period
Under the condition that the user complies with the relevant regulations on installation, use, maintenance, etc., the manufacturer guarantees that the motor can operate well within one year of use (but the manufacturer's shipment date shall not exceed two years). If the motor is damaged or cannot work normally due to poor manufacturing quality within this specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Test inspection items and acceptance rules
The test methods used in the test items in this standard shall comply with the provisions of GB1032, GB10069.1, and GB10068.1. 7.1
Each motor shall be subject to inspection and test. The inspection and test items include: a.
Measurement of insulation resistance of stator winding to casing and between windings; measurement of DC resistance of stator winding in actual cold state; no-load test;
Stuck-rotor test:
Overspeed test;
Vibration measurement;
Short-time voltage rise test;
Withstand voltage test.
The motor must be subjected to type test in any of the following situations: 7.3
When trial production of new products is completed;
JB/T6519—1992
When changes in design or process are sufficient to cause changes in certain characteristics and parameters; When the inspection test results deviate unacceptably from the previous type test results. The motor type test items include: all items of inspection test; temperature rise test; efficiency, power factor and slip rate measurement; short-time over-torque test (if the test conditions are not available, short-time over-current test can be used instead); maximum torque measurement; minimum torque measurement during starting: noise measurement; moment of inertia measurement. Each motor must pass the inspection before leaving the factory, and should be accompanied by a product certificate. Marking, packaging, transportation and storage
The nameplate of the motor should include the following information: a.
Motor name;
Manufacturer name:
Product standard number:
Motor model;
Manufacturer production number;
Wiring method;
Insulation grade;
Enclosure protection grade;
Cooling medium temperature;
Altitude (only for use places above 1000m); Weight;
Production year and month;
Rated power;
Rated frequency;
Rated voltage;
Rated current;
Rated speed.
Rotation direction mark.
Grounding mark.
Packaging and transportation.
The motor should be properly packaged and well fixed when shipped from the manufacturer. To prevent slippage and collision during transportation, the packaging box should have the following marks.
Product name and model;
Gross weight or net weight (kg);
Manufacturer name and address;
Receiving unit and destination;
Precautions (adding \ "handle with care", "do not invert", "prevent moisture", "prevent bumps", etc.) should be marked according to the provisions of GB191.
Additional instructions:
JB/T6519-1992
This standard was proposed and managed by Harbin Large Electric Motor Research Institute. This standard was drafted by Dongfang Electric Motor Factory. The main drafters of this standard are Huang Xingmin and Yang Peng of the People's Republic of China!
Mechanical Industry Standard||tt| |For fan coal mill
Technical conditions for large and medium-sized three-phase asynchronous motors JB/T6519-1992
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing
Format 880×1230
Edition X in xX month, 19XX
Printing number 1-xXX
Postal code 100044)
K Number of words xXXXXX
Printing sheet X/X
Printing in x month, 19XX
Price XXX.XX yuan
XX-XXX
661_619 /1. 7.1 Each motor shall be inspected and tested. The inspection and test items include: a. Determination of insulation resistance between stator winding and housing and between windings; Determination of DC resistance of stator winding in actual cold state; No-load test; Locked rotor test: Overspeed test; Vibration measurement; Short-time voltage rise test; Withstand voltage test. In any of the following situations, the motor must be subjected to type test: 7.3 When trial production of new products is completed; When changes in design or process are sufficient to cause changes in certain characteristics and parameters; When the inspection test results deviate unacceptably from the previous type test results. The motor type test items include: all items of inspection test; temperature rise test; efficiency, power factor and slip rate measurement; short-time over-torque test (if the test conditions are not available, short-time over-current test can be used instead); maximum torque measurement; minimum torque measurement during starting: noise measurement; moment of inertia measurement. Each motor must pass the inspection before leaving the factory, and should be accompanied by a product certificate. Marking, packaging, transportation and storage
The nameplate of the motor should include the following information: a.
Motor name;
Manufacturer name:
Product standard number:
Motor model;
Manufacturer production number;
Wiring method;
Insulation grade;
Enclosure protection grade;
Cooling medium temperature;
Altitude (only for use places above 1000m); Weight;
Production year and month;
Rated power;
Rated frequency;
Rated voltage;
Rated current;
Rated speed.
Rotation direction mark.
Grounding mark.
Packaging and transportation.
The motor should be properly packaged and well fixed when shipped from the manufacturer. To prevent slippage and collision during transportation, the packaging box should have the following marks.
Product name and model;
Gross weight or net weight (kg);
Manufacturer name and address;
Receiving unit and destination;
Precautions (adding \ "handle with care", "do not invert", "prevent moisture", "prevent bumps", etc.) should be marked according to the provisions of GB191.
Additional instructions:
JB/T6519-1992
This standard was proposed and managed by Harbin Large Electric Motor Research Institute. This standard was drafted by Dongfang Electric Motor Factory. The main drafters of this standard are Huang Xingmin and Yang Peng of the People's Republic of China!
Mechanical Industry Standard||tt| |For fan coal mill
Technical conditions for large and medium-sized three-phase asynchronous motors JB/T6519-1992
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing
Format 880×1230
Edition X in xX month, 19XX
Printing number 1-xXX
Postal code 100044)
K Number of words xXXXXX
Printing sheet X/X
Printing in x month, 19XX
Price XXX.XX yuan
XX-XXX
661_619 /1. 7.1 Each motor shall be subject to inspection and test, and the inspection and test items include: a. Determination of insulation resistance between stator winding and housing and between windings; Determination of DC resistance of stator winding in actual cold state; No-load test; Locked rotor test: Overspeed test; Vibration measurement; Short-time voltage rise test; Withstand voltage test. In any of the following situations, the motor must be subjected to type test: 7.3 When trial production of new products is completed; When changes in design or process are sufficient to cause changes in certain characteristics and parameters; When the inspection test results deviate unacceptably from the previous type test results. The motor type test items include: all items of inspection test; temperature rise test; efficiency, power factor and slip rate measurement; short-time over-torque test (if the test conditions are not available, short-time over-current test can be used instead); maximum torque measurement; minimum torque measurement during starting: noise measurement; moment of inertia measurement. Each motor must pass the inspection before leaving the factory, and should be accompanied by a product certificate. Marking, packaging, transportation and storage
The nameplate of the motor should include the following information: a.
Motor name;
Manufacturer name:
Product standard number:
Motor model;
Manufacturer production number;
Wiring method;
Insulation grade;
Enclosure protection grade;
Cooling medium temperature;
Altitude (only for use places above 1000m); Weight;
Production year and month;
Rated power;
Rated frequency;
Rated voltage;
Rated current;
Rated speed.
Rotation direction mark.
Grounding mark.
Packaging and transportation.
The motor should be properly packaged and well fixed when shipped from the manufacturer. To prevent slippage and collision during transportation, the packaging box should have the following marks.
Product name and model;
Gross weight or net weight (kg);
Manufacturer name and address;
Receiving unit and destination;
Precautions (adding \ "handle with care", "do not invert", "prevent moisture", "prevent bumps", etc.) should be marked according to the provisions of GB191.
Additional instructions:
JB/T6519-1992
This standard was proposed and managed by Harbin Large Electric Motor Research Institute. This standard was drafted by Dongfang Electric Motor Factory. The main drafters of this standard are Huang Xingmin and Yang Peng of the People's Republic of China!
Mechanical Industry Standard||tt| |For fan coal mill
Technical conditions for large and medium-sized three-phase asynchronous motors JB/T6519-1992
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing
Format 880×1230
Edition X in xX month, 19XX
Printing number 1-xXX
Postal code 100044)
K Number of words xXXXXX
Printing sheet X/X
Printing in x month, 19XX
Price XXX.XX yuan
XX-XXX
661_619 /
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