JB/T 6737-1993 General technical requirements for motors for range hoods
Some standard content:
Mechanical Industry Standard of the People's Republic of China
JB/T 6737-1993
General Technical Conditions for Motors for Range Hoods Issued on October 8, 1993
Ministry of Machinery Industry of the People's Republic of China
Implementation on January 1, 1994
Mechanical Industry Standard of the People's Republic of China
General Technical Conditions for Motors for Range Hoods 1 Subject Content and Scope of Application
JB/T 6737-1993
This standard specifies the basic parameters and dimensions, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for single-phase capacitor-operated asynchronous motors for household range hoods. This standard applies to single-phase capacitor-operated asynchronous motors for household range hoods (hereinafter referred to as motors). 2 Reference standards
GB1993
GB5171
Basic technical requirements for rotating electrical machines
Motor cooling methods
General technical requirements for small power motors
Direct noise engineering determination methods
GB10069.1 Determination methods and limits for noise of rotating electrical machinesGB9651
GB2828
GB12350
Test methods for single-phase asynchronous motors
Batch inspection counting sampling procedures and sampling tablesSafety requirements for small power motors
General safety requirements for household and similar electrical appliances Requirements for packaging, storage and transportation, graphic signs
GB2900.27 Electrical terminology
National standard
GB12665
Range hood
Small power motor
Requirements for damp heat test of motors under normal environmental conditionsJB/DQ3619General rules for quality classification of small power motorsJB/Z294
Test method for insulation between turns of AC low voltage motors with scattered windingsBasic parameters and dimensions
The cooling method of the motor is IC41.
3.2 The motor rating is a continuous rating based on the continuous duty system (S1). 3.3 The rated voltage of the motor is 220V and the rated frequency is 50Hz. 3.4 The motor shall be manufactured according to the following rated output powers: 16, (20), 25, (30), (35), 40, 60W. Note: Specifications in brackets are not recommended. 3.5 The appearance and installation dimensions of the motor shall be specified by the product standard. 4 Technical requirements
4.1 The motor shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.2 The radial runout tolerance at half the shaft extension length is 0.050mm. 4.3 The motor shall be able to operate at rated speed under the following altitudes, ambient air temperature and ambient air relative humidity conditions. 4.3.1 The altitude shall not exceed 1000m.
Approved by the Ministry of Machinery Industry on October 8, 1993
Implemented on January 1, 1994
JB/T6737-1993
The maximum ambient air temperature varies with the seasons, but does not exceed 40℃ Note: When 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 be followed. 4. 3. 3
The minimum ambient air temperature is ot.
At the same time, the monthly average minimum temperature is not higher than 25℃. The monthly average maximum relative humidity of the wettest month is 90%. 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 1. Table 1
Note: 1) Efficiency is measured by direct measurement method
The guaranteed value of the motor's stall torque shall comply with the provisions of Table 2. At rated voltage,
At rated voltage,
The minimum torque during the motor starting process shall comply with the provisions of Table 3. Table 3
Power factor
Stalling torque
Minimum torque
JB/T6737-1993
At rated voltage,
The guaranteed value of the motor's stall current shall comply with the provisions of Table 4. Table
Stalling current
The guaranteed value of its speed is 1370r/min.
When the power, voltage and frequency of the motor are rated, the tolerance of the guaranteed value of the motor's electrical properties shall comply with the provisions of Table 5. When the tolerance in Table 5 has only one symbol (such as only "ten" or "two"), the tolerance in the opposite direction is not limited. Only
Electrical performance name
Power factor
Locked rotor torque
Minimum torque
Locked rotor current
-15% of guaranteed value
-15% of guaranteed value
+20% of guaranteed value
The motor adopts Class E and Class B insulation. When the altitude and ambient air temperature meet the requirements of Article 4.3, the temperature rise limit (resistance method) of the motor stator winding is 75K for Class E insulation and 80K for Class B insulation. The allowable temperature (thermometer method) of the sliding bearing should not exceed 80℃, and the allowable temperature (thermometer method) of the rolling bearing should not exceed 95℃. 4.12
The leakage current of the motor shall not exceed 0.3mA. The insulation resistance of the motor stator winding shall not be less than 2MA in hot state or after temperature rise test, or shall not be less than 20Mn under normal conditions.
The stator winding of the motor shall be able to withstand a withstand voltage test lasting 1min without breakdown. The test voltage frequency is 50Hz, and 4.14
It shall be a sinusoidal waveform as much as possible, and the effective value of the voltage is 1500V. When inspecting and testing large quantities of continuously produced motors, the test time may be shortened to 1s, and the effective value of the test voltage is 1800V. 4.15
The stator winding of the motor shall be able to withstand the inter-turn insulation impulse withstand voltage test without breakdown, and the impulse test voltage (reduced value) is 1800V. It is also allowed Replaced by elevated voltage test, the test is carried out when the motor is no-load, the external applied voltage is 130% of the rated voltage, and the time is 1 minute.
After the motor damp heat test, the insulation performance shall meet the following requirements: the insulation resistance of the motor winding to the casing and between the windings: after 2 days of constant damp heat test, it shall not be less than 2Mn; the insulation withstand voltage test of the motor winding to the casing 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 motor shall be subjected to a reduced voltage starting test at rated frequency and 85% of the rated voltage. The test method is specified in the product standard. The creepage distance and electrical clearance of the motor shall be greater than 3mm. The noise of the A-weighted sound power level measured when the motor is no-load Value, rolling bearings should not exceed 58dB (A), sliding bearings should not exceed 55dB (A).
When the motor is inspected at the factory, the current and loss of no-load and stalled rotor should be within a certain value range, which should ensure that the motor performance meets the requirements of Articles 4.5 to 4.10 of this standard. 3
JB/T6737-1993
When the motor is working at 1.1 times the rated voltage and rated load, the voltage across its capacitor should not exceed 1.1 times the rated voltage of the capacitor.
4.22 The motor should have a grounding mark, and this grounding and grounding mark should comply with the requirements of Articles 4.2, 4.3, 4.4, and 4.5 of GB12350, except for motors with additional insulation.
4.23 Where this standard does not provide for safety, the provisions of Articles 5, 10, 11, 12, 13, 14, 16, 19, 21 and 22 of GB12350 shall apply. When the motor is connected as shown in Figure 1, the motor should rotate clockwise when viewed from the shaft extension end. 4. 24
~220V
U1, U2—Start and end of main winding
C Capacitor
Z1, 22—Start and end of secondary winding
5 Motor operation and maintenance instructions (at least one copy of a batch of motors of the same type for the same user) and the product certificate should be provided to the user together with each motor. 4.25
4.26 When the user uses and stores the motor correctly in accordance with the provisions of the operation and maintenance instructions, the manufacturer should ensure that the motor The motor shall be able to operate well within the working period, but not more than three years from the date of shipment from the manufacturer. If the motor is damaged or cannot work properly due to poor manufacturing quality within this specified time, the manufacturer shall repair or replace parts or motors for the user free of charge. 5 Test methods
5.1 The test methods of Article 6.2 (except the inter-band impulse withstand voltage test in item e) and Article 6.4 (except c, f, g, i, j, k) of this standard shall be carried out in accordance with GB9651. Article 6.The inter-turn impulse withstand voltage test of item e of Article 2 shall be carried out in accordance with JB/Z294. Item g of Article 6.4 shall be carried out in accordance with GB10069.1. 5.2 The leakage current of the motor shall be measured immediately after the temperature rise test and under the environmental condition of 20±5℃. The motor under test shall be operated at the rated load and 1.06 times the rated voltage. The measurement circuit is shown in Figure 2 to measure the leakage current between the power supply and the housing. The circuit for measuring the leakage current can also be used by inserting a fixed value resistor in series in the measurement loop, using a low-range high-resistance AC voltmeter to measure the voltage drop across the fixed value resistor, and then using Ohm's law to calculate the leakage current. When measuring the leakage current, the switch K shall be switched to different polarities of the power supply to measure its maximum leakage current value, and it shall comply with the provisions of Article 4.12 of this standard.
5.3 The temperature rise measurement of the motor shall be carried out when it is installed in the whole range hood. When the motor reaches thermal stability, measure and calculate the temperature rise of the winding according to the provisions of GB9651.
5.4 The damp heat test of the motor shall be carried out in accordance with GB12665. 5.5 The durability test of the motor shall be carried out under actual load, 4
Inspection rules
JB/T6737-1993
E-Test motor housing
K-Single-pole double-crow switch
S-Test motor winding
mA-AC milliammeter
U-Motor rated voltage
R-1750±2500
Each motor must pass the inspection before leaving the factory, and a product certificate shall be attached. Each motor shall be subject to factory inspection, which includes the following items: a. Mechanical inspection (according to the provisions of Articles 6.5 and 6.6 of this standard); determination of insulation resistance of stator winding to housing; determination of DC resistance of stator winding in actual cold state; voltage test; stator winding inter-phase impulse withstand voltage test or elevated voltage test; determination of no-load current and loss (no-load characteristic curve shall be measured for type test); determination of locked-rotor current and loss (measured in cold state); Type inspection shall be carried out in case of any of the following situations: a. Each time the manufacturer conducts trial production or small batch production after identification and finalization; when the changes in motor design or process are sufficient to cause changes in certain properties and parameters; when there is an unacceptable deviation between the factory inspection results and the previous type inspection results, the motors produced in batches shall be regularly tested, once a year. When the number of tests required is too large, the interval between tests may be appropriately extended, but at least once every two years. 6.4
The type inspection items of the motor include:
all items of factory inspection;
determination of stall torque and stall current (measured in cold state); temperature rise test;
determination of efficiency and power factor (measured after running for 10 minutes under rated load); determination of minimum torque during starting;
determination of leakage current;
determination of noise;
determination of capacitor terminal voltage;
reduced voltage starting test;
damp heat test;
||Other safety inspections,
JB/T6737-1993
The mechanical inspection items of the motor include:
Rotation inspection: When the motor rotates, it should be smooth and light, without stagnation, and the sound should be uniform and without harmful noise;.
Inspection of the direction and wiring mark of the motor: Appearance inspection: Check whether the motor is assembled completely and correctly, and the surface of the motor should be intact, without stains, damage, cracks, etc.; Inspection of the radial runout of the shaft extension: The runout should comply with the provisions of Article 4.2 of this standard. During factory inspection, a, b and c of Article 6.5 of this standard must be inspected for each unit, and b and c of Article 6.2 and d of Article 6.5 shall be inspected randomly. The inspection method shall be formulated by the manufacturer in accordance with the provisions of GB2828. 6.7
Item i specified in Article 6.4 of this standard shall only be carried out under the conditions of a, b and d specified in Article 6.3. The sampling method for type inspection shall be carried out in accordance with the provisions of JB/DQ3619. The inspection of other safety items shall be carried out in accordance with the provisions of GB12350. Marking, packaging, transportation and storage
The nameplate material and the engraving method of the data on the nameplate should ensure that the handwriting is not easily erased during the entire service period of the motor. The nameplate should be fixed in a conspicuous position on the motor. The nameplate should at least indicate the following items: a.
Manufacturer name:
Motor model:
Rated power,
Rated frequency;
Rated current:
Rated voltage;
Rated speed,
Manufacturer production year or production number:
Capacitor capacitance and rated voltage
The color of the lead wire of the motor stator winding should be clearly different. It can also be distinguished by corresponding signs. The color or mark shall be in accordance with the specifications in Table 6.7.3
Name of stator winding
Main winding
Auxiliary winding
Blue (U1)
Red (Z1)
Line end color
Yellow (U2)
Black (Z2)
Anti-rust protection measures shall be taken for the motor shaft extension. 7.4
7.5The packaging of the motor shall be able to ensure that it will not be damp or damaged due to improper packaging within one year from the date of shipment under normal storage and transportation conditions.
The words and signs on the outer wall of the packing box should be clear and neat, and the contents are as follows: 7.6
Name of the shipping station and manufacturer;
Name of the receiving station and receiving unit;
Model and number of motors;
Net weight of the motor and gross weight of the box; Box size;
JB/T6737-1993
, "Caution, light weight", "Afraid of moisture" and other signs should be marked at appropriate locations on the outside of the box, and its shape should comply with the provisions of GB191. 7.7 There is no restriction on the transportation tools of the motor, but the motor must be protected from damage during transportation. 1.8. The motor should be placed in a clean and well-ventilated room with an ambient air temperature of 0-40℃ and relative humidity not exceeding 90%. The air should not contain corrosive gases.
Additional remarks
This standard was proposed by the Small Power Motor Branch of the National Rotating Motor Standardization Technical Committee. This standard was drafted and managed by the Guangzhou Electric Science Research Institute of the Ministry of Machinery Industry. The main author of this standard is Su Shihua.
The People's Republic of China
Mechanical Industry Standard
General Technical Conditions for Motors for Range Hoods and Exhaust Fans JB/T 67371993
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2, Shouti South Road, Beijing
Postal Code 100044)
<Number of words xxxxxx
Format 880×1230
Print sheets X/X
Edition X, xX, 19XX
Printing X, XX, 19XX
Print runs 1-XXX
Price XXX.XX Yuan
XX-XXX
Mechanical Industry Standards Service Network: http://wwwJB.ac.cn661895 The durability test of the motor is carried out under actual load. 4
Inspection rules
JB/T6737-1993
E-Test motor casing
K-Single-pole double-crow switch
S-Test motor winding
mA-AC milliammeter
U-Rated voltage of the motor
R-1750±2500
Each motor must pass the inspection before leaving the factory, and a product certificate should be attached. Each motor shall be subject to factory inspection, which includes the following items: a. Mechanical inspection (according to the provisions of Articles 6.5 and 6.6 of this standard); measurement of insulation resistance of stator winding to housing; measurement of DC resistance of stator winding in actual cold state; voltage test; stator winding inter-phase impulse withstand voltage test or elevated voltage test; measurement of no-load current and loss (no-load characteristic curve shall be measured for type test); measurement of locked-rotor current and loss (measured in cold state); Type inspection shall be carried out in any of the following cases: a. Each time the manufacturer conducts trial production or small batch production after identification and finalization; when the changes in motor design or process are sufficient to cause changes in certain properties and parameters; when there is an unacceptable deviation between the factory inspection results and the previous type inspection results, the motors produced in batches shall be regularly tested, once a year. When the number of tests required is too large, the interval between tests may be appropriately extended, but at least once every two years. 6.4
The type inspection items of the motor include:
all items of factory inspection;
determination of stall torque and stall current (measured in cold state); temperature rise test;
determination of efficiency and power factor (measured after running for 10 minutes under rated load); determination of minimum torque during starting;
determination of leakage current;
determination of noise;
determination of capacitor terminal voltage;
reduced voltage starting test;
damp heat test;
||Other safety inspections,
JB/T6737-1993
The mechanical inspection items of the motor include:
Rotation inspection: When the motor rotates, it should be smooth and light, without stagnation, and the sound should be uniform and without harmful noise;.
Inspection of the direction and wiring mark of the motor: Appearance inspection: Check whether the motor is assembled completely and correctly, and the surface of the motor should be intact, without stains, damage, cracks, etc.; Inspection of the radial runout of the shaft extension: The runout should comply with the provisions of Article 4.2 of this standard. During factory inspection, a, b and c of Article 6.5 of this standard must be inspected for each unit, and b and c of Article 6.2 and d of Article 6.5 shall be inspected randomly. The inspection method shall be formulated by the manufacturer in accordance with the provisions of GB2828. 6.7
Item i specified in Article 6.4 of this standard shall only be carried out under the conditions of a, b and d specified in Article 6.3. The sampling method for type inspection shall be carried out in accordance with the provisions of JB/DQ3619. The inspection of other safety items shall be carried out in accordance with the provisions of GB12350. Marking, packaging, transportation and storage
The nameplate material and the engraving method of the data on the nameplate should ensure that the handwriting is not easily erased during the entire service period of the motor. The nameplate should be fixed in a conspicuous position on the motor. The nameplate should at least indicate the following items: a.
Manufacturer name:
Motor model:
Rated power,
Rated frequency;
Rated current:
Rated voltage;
Rated speed,
Manufacturer production year or production number:
Capacitor capacitance and rated voltage
The color of the lead wire of the motor stator winding should be clearly different. It can also be distinguished by corresponding signs. The color or mark shall be in accordance with the specifications in Table 6.7.3
Name of stator winding
Main winding
Auxiliary winding
Blue (U1)
Red (Z1)
Line end color
Yellow (U2)
Black (Z2)wwW.bzxz.Net
Anti-rust protection measures shall be taken for the motor shaft extension. 7.4
7.5The packaging of the motor shall be able to ensure that it will not be damp or damaged due to improper packaging within one year from the date of shipment under normal storage and transportation conditions.
The words and signs on the outer wall of the packing box should be clear and neat, and the contents are as follows: 7.6
Name of the shipping station and manufacturer;
Name of the receiving station and receiving unit;
Model and number of motors;
Net weight of the motor and gross weight of the box; Box size;
JB/T6737-1993
, "Caution, light weight", "Afraid of moisture" and other signs should be marked at appropriate locations on the outside of the box, and its shape should comply with the provisions of GB191. 7.7 There is no restriction on the transportation tools of the motor, but the motor must be protected from damage during transportation. 1.8. The motor should be placed in a clean and well-ventilated room with an ambient air temperature of 0-40℃ and relative humidity not exceeding 90%. The air should not contain corrosive gases.
Additional remarks
This standard was proposed by the Small Power Motor Branch of the National Rotating Motor Standardization Technical Committee. This standard was drafted and managed by the Guangzhou Electric Science Research Institute of the Ministry of Machinery Industry. The main author of this standard is Su Shihua.
The People's Republic of China
Mechanical Industry Standard
General Technical Conditions for Motors for Range Hoods and Exhaust Fans JB/T 67371993
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2, Shouti South Road, Beijing
Postal Code 100044)
<Number of words xxxxxx
Format 880×1230
Print sheets X/X
Edition X, xX, 19XX
Printing X, XX, 19XX
Print runs 1-XXX
Price XXX.XX Yuan
XX-XXX
Mechanical Industry Standards Service Network: http://wwwJB.ac.cn661895 The durability test of the motor is carried out under actual load. 4
Inspection rules
JB/T6737-1993
E-Test motor casing
K-Single-pole double-crow switch
S-Test motor winding
mA-AC milliammeter
U-Rated voltage of the motor
R-1750±2500
Each motor must pass the inspection before leaving the factory, and a product certificate should be attached. Each motor shall be subject to factory inspection, which includes the following items: a. Mechanical inspection (according to the provisions of Articles 6.5 and 6.6 of this standard); measurement of insulation resistance of stator winding to housing; measurement of DC resistance of stator winding in actual cold state; voltage test; stator winding inter-phase impulse withstand voltage test or elevated voltage test; measurement of no-load current and loss (no-load characteristic curve shall be measured for type test); measurement of locked-rotor current and loss (measured in cold state); Type inspection shall be carried out in any of the following cases: a. Each time the manufacturer conducts trial production or small batch production after identification and finalization; when the changes in motor design or process are sufficient to cause changes in certain properties and parameters; when there is an unacceptable deviation between the factory inspection results and the previous type inspection results, the motors produced in batches shall be regularly tested, once a year. When the number of tests required is too large, the interval between tests may be appropriately extended, but at least once every two years. 6.4
The type inspection items of the motor include:
all items of factory inspection;
determination of stall torque and stall current (measured in cold state); temperature rise test;
determination of efficiency and power factor (measured after running for 10 minutes under rated load); determination of minimum torque during starting;
determination of leakage current;
determination of noise;
determination of capacitor terminal voltage;
reduced voltage starting test;
damp heat test;
||Other safety inspections,
JB/T6737-1993
The mechanical inspection items of the motor include:
Rotation inspection: When the motor rotates, it should be smooth and light, without stagnation, and the sound should be uniform and without harmful noise;.
Inspection of the direction and wiring mark of the motor: Appearance inspection: Check whether the motor is assembled completely and correctly, and the surface of the motor should be intact, without stains, damage, cracks, etc.; Inspection of the radial runout of the shaft extension: The runout should comply with the provisions of Article 4.2 of this standard. During factory inspection, a, b and c of Article 6.5 of this standard must be inspected for each unit, and b and c of Article 6.2 and d of Article 6.5 shall be inspected randomly. The inspection method shall be formulated by the manufacturer in accordance with the provisions of GB2828. 6.7
Item i specified in Article 6.4 of this standard shall only be carried out under the conditions of a, b and d specified in Article 6.3. The sampling method for type inspection shall be carried out in accordance with the provisions of JB/DQ3619. The inspection of other safety items shall be carried out in accordance with the provisions of GB12350. Marking, packaging, transportation and storage
The nameplate material and the engraving method of the data on the nameplate should ensure that the handwriting is not easily erased during the entire service period of the motor. The nameplate should be fixed in a conspicuous position on the motor. The nameplate should at least indicate the following items: a.
Manufacturer name:
Motor model:
Rated power,
Rated frequency;
Rated current:
Rated voltage;
Rated speed,
Manufacturer production year or production number:
Capacitor capacitance and rated voltage
The color of the lead wire of the motor stator winding should be clearly different. It can also be distinguished by corresponding signs. The color or mark shall be in accordance with the specifications in Table 6.7.3
Name of stator winding
Main winding
Auxiliary winding
Blue (U1)
Red (Z1)
Line end color
Yellow (U2)
Black (Z2)
Anti-rust protection measures shall be taken for the motor shaft extension. 7.4
7.5The packaging of the motor shall be able to ensure that it will not be damp or damaged due to improper packaging within one year from the date of shipment under normal storage and transportation conditions.
The words and signs on the outer wall of the packing box should be clear and neat, and the contents are as follows: 7.6
Name of the shipping station and manufacturer;
Name of the receiving station and receiving unit;
Model and number of motors;
Net weight of the motor and gross weight of the box; Box size;
JB/T6737-1993
, "Caution, light weight", "Afraid of moisture" and other signs should be marked at appropriate locations on the outside of the box, and its shape should comply with the provisions of GB191. 7.7 There is no restriction on the transportation tools of the motor, but the motor must be protected from damage during transportation. 1.8. The motor should be placed in a clean and well-ventilated room with an ambient air temperature of 0-40℃ and relative humidity not exceeding 90%. The air should not contain corrosive gases.
Additional remarks
This standard was proposed by the Small Power Motor Branch of the National Rotating Motor Standardization Technical Committee. This standard was drafted and managed by the Guangzhou Electric Science Research Institute of the Ministry of Machinery Industry. The main author of this standard is Su Shihua.
The People's Republic of China
Mechanical Industry Standard
General Technical Conditions for Motors for Range Hoods and Exhaust Fans JB/T 67371993
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2, Shouti South Road, Beijing
Postal Code 100044)
<Number of words xxxxxx
Format 880×1230
Print sheets X/X
Edition X, xX, 19XX
Printing X, XX, 19XX
Print runs 1-XXX
Price XXX.XX Yuan
XX-XXX
Mechanical Industry Standards Service Network: http://wwwJB.ac.cn661893. The sampling method for type inspection shall be carried out in accordance with the provisions of JB/DQ3619. The inspection of other safety items shall be carried out in accordance with the provisions of GB12350. Marking, packaging, transportation and storage
The material of the nameplate and the engraving method of the data on the nameplate should ensure that the handwriting is not easily erased during the entire service period of the motor. The nameplate should be fixed in a conspicuous position on the motor. The nameplate should at least indicate the following items: a.
Manufacturer name:
Motor model:
Rated power,
Rated frequency;
Rated current:
Rated voltage;
Rated speed,
Manufacturer production year or production number:
Capacitor capacitance and rated voltage
The color of the lead wire of the motor stator winding should be clearly different. It can also be distinguished by corresponding signs. The color or mark shall be in accordance with the specifications in Table 6.7.3
Name of stator winding
Main winding
Auxiliary winding
Blue (U1)
Red (Z1)
Line end color
Yellow (U2)
Black (Z2)
Anti-rust protection measures shall be taken for the motor shaft extension. 7.4
7.5The packaging of the motor shall be able to ensure that it will not be damp or damaged due to improper packaging within one year from the date of shipment under normal storage and transportation conditions.
The words and signs on the outer wall of the packing box should be clear and neat, and the contents are as follows: 7.6
Name of the shipping station and manufacturer;
Name of the receiving station and receiving unit;
Model and number of motors;
Net weight of the motor and gross weight of the box; Box size;
JB/T6737-1993
, "Caution, light weight", "Afraid of moisture" and other signs should be marked at appropriate locations on the outside of the box, and its shape should comply with the provisions of GB191. 7.7 There is no restriction on the transportation tools of the motor, but the motor must be protected from damage during transportation. 1.8. The motor should be placed in a clean and well-ventilated room with an ambient air temperature of 0-40℃ and relative humidity not exceeding 90%. The air should not contain corrosive gases.
Additional remarks
This standard was proposed by the Small Power Motor Branch of the National Rotating Motor Standardization Technical Committee. This standard was drafted and managed by the Guangzhou Electric Science Research Institute of the Ministry of Machinery Industry. The main author of this standard is Su Shihua.
The People's Republic of China
Mechanical Industry Standard
General Technical Conditions for Motors for Range Hoods and Exhaust Fans JB/T 67371993
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2, Shouti South Road, Beijing
Postal Code 100044)
<Number of words xxxxxx
Format 880×1230
Print sheets X/X
Edition X, xX, 19XX
Printing X, XX, 19XX
Print runs 1-XXX
Price XXX.XX Yuan
XX-XXX
Mechanical Industry Standards Service Network: http://wwwJB.ac.cn661893. The sampling method for type inspection shall be carried out in accordance with the provisions of JB/DQ3619. The inspection of other safety items shall be carried out in accordance with the provisions of GB12350. Marking, packaging, transportation and storage
The material of the nameplate and the engraving method of the data on the nameplate should ensure that the handwriting is not easily erased during the entire service period of the motor. The nameplate should be fixed in a conspicuous position on the motor. The nameplate should at least indicate the following items: a.
Manufacturer name:
Motor model:
Rated power,
Rated frequency;
Rated current:
Rated voltage;
Rated speed,
Manufacturer production year or production number:
Capacitor capacitance and rated voltage
The color of the lead wire of the motor stator winding should be clearly different. It can also be distinguished by corresponding signs. The color or mark shall be in accordance with the specifications in Table 6.7.3
Name of stator winding
Main winding
Auxiliary winding
Blue (U1)
Red (Z1)
Line end color
Yellow (U2)
Black (Z2)
Anti-rust protection measures shall be taken for the motor shaft extension. 7.4
7.5The packaging of the motor shall be able to ensure that it will not be damp or damaged due to improper packaging within one year from the date of shipment under normal storage and transportation conditions.
The words and signs on the outer wall of the packing box should be clear and neat, and the contents are as follows: 7.6
Name of the shipping station and manufacturer;
Name of the receiving station and receiving unit;
Model and number of motors;
Net weight of the motor and gross weight of the box; Box size;
JB/T6737-1993
, "Caution, light weight", "Afraid of moisture" and other signs should be marked at appropriate locations on the outside of the box, and its shape should comply with the provisions of GB191. 7.7 There is no restriction on the means of transport of the motor, but the motor must be protected from damage during transportation. 1.8. The motor should be placed in an environment with an air temperature of 0-40℃ and relative humidity not exceeding 90%, in a clean and well-ventilated room, and the air should not contain corrosive gases.
Additional remarks
This standard was proposed by the Small Power Motor Branch of the National Rotating Motor Standardization Technical Committee, and was drafted and managed by the Guangzhou Electric Science Research Institute of the Ministry of Machinery Industry. The main author of this standard is Su Shihua.
The People's Republic of China
Mechanical Industry Standard
General Technical Conditions for Motors for Range Hoods and Exhaust Fans JB/T 67371993
Published by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2, Shouti South Road, Beijing
Postal Code 100044)
<Number of words xxxxxx
Format 880×1230
Print sheets X/X
Edition X, xX, 19XX
Printing X, XX, 19XX
Print runs 1-XXX
Price XXX.XX Yuan
XX-XXX
Mechanical Industry Standards Service Network: http://wwwJB.ac.cn66189
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.