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The standard of the People's Republic of China for the hydraulic press machinery industry JB/T1377.21999
1999-08-064
2000-01-01
JB/T1377.2±1999
This standard is a revision of JB2427-78 "SY series micro permanent magnet DC servo motor". The relevant provisions in GB/T73451994 and GB/T148171993 were cited during the revision. This standard is consistent with the relevant standards and conforms to the provisions of GB/T1.1-1993 in terms of writing format. This standard will replace JB2427-78 from the date of implementation. This standard is proposed and managed by the National Micro Motor Standardization Technical Committee. The drafting units of this standard are: Boshan Motor Factory, Tianjin Safety Motor Co., Ltd., Qinghai Micro Motor Factory, Benxi Micro Motor Factory, Ningbo Kailis Electric Co., Ltd., Fujian Wanda Motor Co., Ltd. The main drafters of this standard are Yang Hongqing and Chen Yujia. This standard is entrusted to Boshan Motor Factory for interpretation. 1
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JB/T1377.21999
This standard specifies the technical requirements, test methods, inspection rules, quality assurance period, marking, packaging, transportation and storage requirements of SY series micro permanent magnet DC servo motors (hereinafter referred to as motors). This standard applies to SY series motors. This series of motors are enclosed self-cooling micro permanent magnet DC servo motors that use aluminum nickel diamond permanent magnet material excitation and can be used as actuators in automatic control systems and can also be used as drive components. This series of motors are divided into two categories according to the use environment conditions: ordinary type and humid tropical type (indoor). The humid tropical type motor has "TH\" added after the ordinary type model.
This series of motors are not suitable for environmental conditions with special requirements, such as: explosion-proof, oil-resistant, chemical corrosion-resistant, exposed, collapse and leaching, etc. 2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. At the time of publication of the standard, the versions shown are valid. All standards will be revised and the use of this standard All parties should explore the possibility of using the latest versions of the following standards. GB/T2423.3—1993
GB/T2423.4—1993
Basic environmental test procedures for electric and electronic products Test Ca: Steady state damp heat test method Basic environmental test procedures for electric and electronic products Test Db: Alternating damp heat test method GB/T2423.16-1990 Basic environmental test procedures for electric and electronic products Test J: Mildew test method GB/T7345—1994
Basic technical requirements for controlling micro motors
GB/T10069.1-1988 Rotating motor noise measurement method and limit noise engineering measurement method GB/T14817-1993
3 Technical requirements
3.1 Environmental conditions for use
General technical conditions for permanent magnet DC servo motors 3.1.1 Air pressure not less than 61.7 kPa (4000m). 3.1.2 Ambient temperature: -40~+55℃.
3.1.3 Air phase Humidity: 90%~95%. 3.1.4 Any installation position.
3.1.5 For humid tropical type motors, it is also allowed to work under the following conditions: a) Condensation;
b) Mold.
3.2 Working system
The motor is a continuous working system.
1999-08-06
2000-01-01
3 Circuit diagram
The circuit diagram is shown in Figure 1.
3.4 Rated data||tt ||JB/T1377.21999
The rated data of the motor shall comply with the provisions of Table 1. SM
Figure 1 Circuit diagram
Table 1 Rated data
20SY01
20SY02
20SY03
20SY04
24SY01
24SY02
24SY03
24SY04
28SY01|| tt||28SY02
28SY03
28SY04
28SY05
28SY06
28SY07
28SY08
28SY09
28SY51
28SY52
28SY53
28SY54
28SY55
Allow positive and negative speed difference
28 SY56 | | tt | | 28SY57 | SY52
36SY53
36SY54
36SY5S|| tt||36SY56
45SY01
45SY02
45SY03
4SSY04
45SY05
45SY06
45SY51
45SY52
45SY53
45SY54
45SY55
45SYS6
1Rated data are checked when the motor is cold. 2The motor output is based on torque and power is for reference only. JB/T1377.21999
Table 1 (end)
3 Speed tolerance 20~28SY is ±20%, 36-45SY is ±15%
3.5 Appearance and installation dimensions
The appearance and installation dimensions of the motor shall comply with the provisions of Figure 2, Table 2 and Figure 3, Table 3. The shaft extension of the motor is a bare shaft extension;
Dimensions without tolerance are basic dimensions. Power
Allowable positive and negative speed difference
20SY01~04
24SY01-04
28SY01~09
28SY51~59
36SY01-06
36SY51~56
45SY01-06
45SY51~56
JB/T1377.21999
Figure 2 (K1 type) Appearance and installation dimensions
Table 2 Appearance and installation dimensions
4-S
Figure 3 (K5 type) Appearance and installation dimensions
36SY01~06
36SY51~56
45SY01~06
45SY51-56
Outlet mode and marking
JB/T1377.21999
Appearance and installation dimensions
The motor outlet mode adopts terminal block, and the outlet marking is S1, S2. 3.7 Appearance
The appearance of the motor shall comply with the provisions of 4.4.1 of GB/T14817-1993. 3.8 Axial clearance
The axial clearance of the motor is 0.1~0.2mm. 3.9 Shaft extension radial runout
The shaft extension radial runout of the motor shall comply with the provisions of Figures 2 and 3. 3.10 Coaxiality of the mounting surface
The coaxiality of the motor mounting surface shall comply with the provisions of Figure 2, Table 2 and Figure 3, Table 3. 3.11 Verticality of the mounting end surface
The verticality of the motor mounting end surface shall comply with the provisions of Figure 2, Table 2 and Figure 3, Table 3. 3.12 Insulation resistance
Under normal test conditions, the insulation resistance between the conductive part of the motor and the housing shall not be less than 50MQ. 3.13 Overspeed
The overspeed of the motor shall comply with the provisions of 4.6 of GB/T14817-1993. 3.14 No-load starting voltage
The no-load starting voltage of the motor shall not be greater than that specified in Table 4. Table 4 No-load starting voltage
Frame size
3.15 Rotation direction
No-load starting voltage
The motor can run in both forward and reverse directions. Connect the wires according to Figure 1, S1 is connected to positive, S2 is connected to negative. When viewed from the shaft extension end, the motor rotates counterclockwise, and this direction is defined as the positive direction. 3.16 Commutation
JB/T1377.21999
The commutation of the motor shall comply with the provisions of 4.13 in GB/T14817-1993. 3.17 Insulation Dielectric Strength
The conductive part of the motor should be able to withstand the insulation dielectric strength test of 50Hz sine wave voltage 300V (28 and below frame size) and 500V (36 and above frame size) for 1min without being broken down. The peak leakage current of the winding should not be greater than 5mA. The leakage current should not include the current consumed by the equipment capacitor. The insulation resistance measured immediately after the test should comply with the provisions of 3.12. The motor should not be tested repeatedly during acceptance. If the user requests, one more test is allowed, and the test voltage is 80% of the original test voltage. 3.18 Temperature Rise
When the altitude is 1000m, the temperature rise of the armature winding should not exceed 75K when the motor runs continuously at rated voltage and rated torque.
When the altitude of the test site is not 1000m, the allowable value of temperature rise should be corrected. The correction value is based on 1000m, and 0.2K is reduced for every 100m lower and 0.2K is increased for every 100m higher. 3.19 Vibration
The motor should be able to withstand a vibration intensity test with a double amplitude of 1.5±0.15mm, a frequency of 10Hz, 40Hz and a vibration acceleration of 25±2.5m/s2, and a frequency of 150Hz for a total of 3h. The time allocation is as specified in Table 5. Table 5 Vibration time
Shaft extension vertically upward
Shaft extension vertically downward
20 min
20 min
20 min
The motor should also be able to withstand a vibration stability test with a frequency of 10~150Hz (double amplitude of 1.5±0.15mm below 30Hz, vibration acceleration of 25±2.5m/s2 above 30Hz), and a sweep period of 10min for a total of 9 cycles, of which the motor is horizontal, the shaft extension is vertically upward, and the shaft extension is vertically downward for 3 cycles each.
It is allowed to use the segmented sweep method specified in Table 6 instead of continuous logarithmic sweep. The amplitudes or accelerations listed in Table 6 are all values at the set frequency. The sweep speed should be uniform, and the set frequency may be selected according to the equipment conditions to minimize the change of amplitude or acceleration in the entire segmented frequency during sweeping.
Table 6 Segmented frequency sweep range
Frequency range
10~20~10
20~40-20
40-80~40
80~150-80
Double amplitude or acceleration
1.5±0.15mm
1.5±0.15mm
25±2.5m/s2
25 ±2.5m/s2
During the test, the motor should be able to work normally. The frequency of the set amplitude or acceleration is 2 minutes for each frequency segment. The number of cycles is 2 minutes. The frequency is swept three times in each direction, and the frequency is swept in three installation directions. After the test, the appearance is inspected. Loose fasteners and damage and deformation of parts are not allowed. The rated speed is checked. The tolerance of JB/T1377.21999 is ±25% for 20SY~28SY and ±20% for 36SY~45SY. 3.20 Impact The motor should be able to withstand the impact test of 70m/s2 and a frequency of 1.3~1.7Hz for 15 minutes in the horizontal direction, vertical upward shaft extension, and vertical downward shaft extension. During the test, the motor should be able to work normally. After the test, the appearance inspection is carried out. Loose fasteners and component damage and deformation are not allowed. The rated speed is checked, and the tolerance is: ±25% for 20SY~28SY and ±20% for 36SY~45SY. 3.21 Low temperature
The no-load starting voltage of the motor at -40±2℃ should not be greater than twice the value specified in Table 4. After the test, the parts should not break or produce harmful deformation.
3.22 High temperature
When the motor is at 55±2℃, the rated voltage and rated torque are applied. After running for 2h, the change of its speed compared with the cold state should not exceed 15%, the insulation resistance should not be less than 10M, the insulation dielectric strength should meet the requirements of 3.17, the bearing grease should not overflow, and the parts should not break or produce harmful deformation. 3.23 Sound power level noise
When the motor is running at no-load at rated voltage, the A-weighted sound power level of its noise should not be greater than 70dB. 3.24 Rotor moment of inertia
The rotor moment of inertia of the motor shall not exceed the provisions of Table 7 Table 7 Rotor moment of inertia
20SY01~04
24SY01~04
28SY01-09
28SY51-59
3.25 Electromechanical time constant
Moment of inertia
0.0265×10-5
0.0530×10 -5
0.0902×10-5
0.1177×10-5
36SY01-06
36SY51~56
45SY01-06
45SY51~56
kg·m?
Moment of inertia
0.265×10-5
0.314×10-5
0.824×10 -5
0.981×10-5
The electromechanical time constant of the motor should not be greater than 30ms for motors with frame sizes of 28~45 and should not be greater than 35ims for motors with frame sizes of 20~24.
3.26 Weight
The weight of the motor shall not exceed the provisions of Table 2 and Table 3. 3.27 Steady damp heat
The motor shall be able to withstand a constant damp heat test with a severity level of 40±2℃ and a relative humidity of 90%~95% for 4 days. After the test, measure the insulation resistance in the box, and its value shall not be less than 1M0. After the motor is taken out of the box, measure the rated speed of the motor, and its change compared with the cold state shall not exceed 15%. The motor should have no obvious deterioration in appearance quality and no rust that affects normal operation. 3.28 Lifespan
The lifespan of the motor at rated voltage and rated torque shall comply with the provisions of Table 8. During the life test, the motor shall be able to work normally, and it is allowed to clean the carbon powder once every 100 hours. After the test, check the rated speed when the motor returns to the cold state, and its change shall be 15m/s2
25 ±2.5m/s2
The motor should be able to work normally during the test. The frequency of the setting amplitude or
acceleration
One sweep cycle per frequency segment
is 2min
Number of cycles
Sweep three times in each direction,
Sweep in three installation directions in total
After the test, conduct an appearance inspection, and no loose fasteners, damage to parts, deformation, etc. are allowed. Check the rated speed, and its 6
JB/T1377.21999
Tolerance: 20SY~28SY is ±25%; 36SY~45SY is ±20%. 3.20 Impact
The motor should be able to withstand impact tests with an acceleration of 70m/s2 and a frequency of 1.3~1.7Hz for 15min in the horizontal direction, with the shaft extension vertically upward and the shaft extension vertically downward.
During the test, the motor should be able to work normally. After the test, an appearance inspection is carried out. Loose fasteners and damage and deformation of parts are not allowed. Check the rated speed. The tolerance is: ±25% for 20SY~28SY and ±20% for 36SY~45SY. 3.21 Low temperature
The no-load starting voltage of the motor at -40±2℃ should not be greater than twice the value specified in Table 4. After the test, the parts should not break or have harmful deformation.
3.22 High temperature
When the motor is at 55±2℃, with rated voltage and rated torque, and runs for 2 hours, the change in speed compared with the cold state should not exceed 15%, the insulation resistance should not be less than 10M, the insulation dielectric strength should meet the requirements of 3.17, the bearing grease should not overflow, and the parts should not break or produce harmful deformation. 3.23 Sound power level noise
When the motor is running at rated voltage and no-load, the A-weighted sound power level of its noise should not be greater than 70dB. 3.24 Rotor moment of inertia
The rotor moment of inertia of the motor shall not exceed the provisions of Table 7 Table 7 Rotor moment of inertia
20SY01~04
24SY01~04
28SY01-09
28SY51-59
3.25 Electromechanical time constant
Moment of inertia
0.0265×10-5
0.0530×10 -5
0.0902×10-5
0.1177×10-5
36SY01-06
36SY51~56
45SY01-06
45SY51~56
kg·m?
Moment of inertia
0.265×10-5
0.314×10-5
0.824×10 -5
0.981×10-5
The electromechanical time constant of the motor should not be greater than 30ms for motors with frame sizes of 28~45 and should not be greater than 35ims for motors with frame sizes of 20~24.
3.26 Weight
The weight of the motor shall not exceed the provisions of Table 2 and Table 3. 3.27 Steady damp heat
The motor shall be able to withstand a constant damp heat test with a severity level of 40±2℃ and a relative humidity of 90%~95% for 4 days. After the test, measure the insulation resistance in the box, and its value shall not be less than 1M0. After the motor is taken out of the box, measure the rated speed of the motor, and its change compared with the cold state shall not exceed 15%. The motor should have no obvious deterioration in appearance quality and no rust that affects normal operation. 3.28 Lifespan
The lifespan of the motor at rated voltage and rated torque shall comply with the provisions of Table 8. During the life test, the motor shall be able to work normally, and it is allowed to clean the carbon powder once every 100 hours. After the test, check the rated speed when the motor returns to the cold state, and its change shall be 15m/s2
25 ±2.5m/s2
The motor should be able to work normally during the test. The frequency of the setting amplitude or
acceleration
One sweep cycle per frequency segment
is 2min
Number of cycles
Sweep three times in each direction,
Sweep in three installation directions in total
After the test, conduct an appearance inspection, and no loose fasteners, damage to parts, deformation, etc. are allowed. Check the rated speed, and its 6
JB/T1377.21999
Tolerance: 20SY~28SY is ±25%; 36SY~45SY is ±20%. 3.20 Impact
The motor should be able to withstand impact tests with an acceleration of 70m/s2 and a frequency of 1.3~1.7Hz for 15min in the horizontal direction, with the shaft extension vertically upward and the shaft extension vertically downward.
During the test, the motor should be able to work normally. After the test, an appearance inspection is carried out. Loose fasteners and damage and deformation of parts are not allowed. Check the rated speed. The tolerance is: ±25% for 20SY~28SY and ±20% for 36SY~45SY. 3.21 Low temperature
The no-load starting voltage of the motor at -40±2℃ should not be greater than twice the value specified in Table 4. After the test, the parts should not break or have harmful deformation.
3.22 High temperature
When the motor is at 55±2℃, with rated voltage and rated torque, and runs for 2 hours, the change in speed compared with the cold state should not exceed 15%, the insulation resistance should not be less than 10M, the insulation dielectric strength should meet the requirements of 3.17, the bearing grease should not overflow, and the parts should not break or produce harmful deformation. 3.23 Sound power level noise
When the motor is running at rated voltage and no-load, the A-weighted sound power level of its noise should not be greater than 70dB. 3.24 Rotor moment of inertia
The rotor moment of inertia of the motor shall not exceed the provisions of Table 7 Table 7 Rotor moment of inertia
20SY01~04
24SY01~04
28SY01-09
28SY51-59
3.25 Electromechanical time constant
Moment of inertia
0.0265×10-5
0.0530×10 -5
0.0902×10-5
0.1177×10-5
36SY01-06
36SY51~56
45SY01-06
45SY51~56
kg·m?
Moment of inertia
0.265×10-5
0.314×10-5
0.824×10 -5bZxz.net
0.981×10-5
The electromechanical time constant of the motor should not be greater than 30ms for motors with frame sizes of 28~45 and should not be greater than 35ims for motors with frame sizes of 20~24.
3.26 Weight
The weight of the motor shall not exceed the provisions of Table 2 and Table 3. 3.27 Steady damp heat
The motor shall be able to withstand a constant damp heat test with a severity level of 40±2℃ and a relative humidity of 90%~95% for 4 days. After the test, measure the insulation resistance in the box, and its value shall not be less than 1M0. After the motor is taken out of the box, measure the rated speed of the motor, and its change compared with the cold state shall not exceed 15%. The motor should have no obvious deterioration in appearance quality and no rust that affects normal operation. 3.28 Lifespan
The lifespan of the motor at rated voltage and rated torque shall comply with the provisions of Table 8. During the life test, the motor shall be able to work normally, and it is allowed to clean the carbon powder once every 100 hours. After the test, check the rated speed when the motor returns to the cold state, and its change shall be 1
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