China supplier St Series Servo Motor/Electric Motor with CE (1.3kw) /220V vacuum pump

Product Description

          Ultra-high intrinsic coercivity, high temperature rare earth permanent,magnet material, strong resistance to magnetic energy.Using electromagnetic design optimization, aimost with the entire speed,range constant torque output,Sinusoidal magnet field design, smooth low-speed torque high overload, capability,Class F insulation, IP55 protection structure, environmental applicability, safe and reliable use.

Technical Data
Frame size 60ST-L00630A 60ST-L01330A 60ST-L01930A 80ST-L01330A 80ST-L57130A 80ST-L03330A 90ST-L57130A 90ST-L5710A 90ST-L 0571 1A  
Rated Voltage(3phase) 220V 220V 220V 220V 220V 220V 220V 220V 220V  
Rated Power(kw) 0.2 0.4 0.6 0.4 0.75 1 0.75 0.73 1  
Rated Torque(N.m) 0.6 1.3 1.9 1.3 2.4 3.3 2.4 3.5 4  
Max Torque(N.m) 1.911 3.8 5.73 3.9 7.2 9.9 7.2 10.5 12  
Rated Speed(r/min) 3000 3000 3000 3000 3000 3000 3000 2000 3000  
Rated current(A) 1.5 2.8 3.5 2.6 4.2 4.5 3 3 4  
V/Krpm 28 28 28 21.05 22.77 29.27 51 67 60  
Ω/phase 11.6 5.83 3.49 1.858 0.901 1.081 3.2 4.06 2.69  
mH/phase 22 12.23 8.47 11.956 6.552 8.29 7 9.7 6.21  
LA(mm) 106 131 154 135 160 181 152 175 185  
Frame size 110ST-L57130A 110ST-L04030A 110ST-L05030A 110ST-L06571A 110ST-L06030A 130ST-L 0571 1A 130ST-L 0571 1A 130ST-L06571A 130-7720  
Rated Voltage(3 phase) 220V 220V 220V 220V 220V 220V 220V 220V 220V  
Rated Power(kw) 0.6 1.2 1.5 1.2 1.6 1 1.3 1.5 1.6  
Rated Torque(N.m) 2.00  4 5 6 6 4 5 6 7.7  
Max Torque(N.m) 6 12 15 18 18 13 15 18 23.1  
Rated Speed(r/min) 3000 3000 3000 2000 3000 2500 2500 2500 2000  
Rated current(A) 4 5 6 6 8 4 5 6 6  
V/Krpm 23.59  33.74 33.84 41.39 30.54 37.72 38.67 37.34 47.59  
Ω/phase 0.982 0.779 0.567 0.64 0.338 1.108 0.867 0.605 0.66  
mH/phase 2.98  3.026 2.316 2.764 1.515 3.76 3.124 2.317 2.83  
LA(mm) 158 189 204 217 217 165 173 183 197  
Frame size 130ST-L5710A 130ST-L5715A 130ST-L5710A 130ST-L10015A 130ST-L10571A 130ST-L15015A 130ST-L15571A   150-23571 150-27571
Rated Voltage(3 phase) 220V 220V 220V 220V 220V 220V 220V   220V  
Rated Power(kw) 1.6 2 2.4 1.5 2.6 2.3 3.8   1.6  
Rated Torque(N.m) 7.70  7.7 7.7 10 10 15 15   7.7  
Max Torque(N.m) 23.1 23.1 23.1 30 30 45 45   23.1  
Rated Speed(r/min) 2000.00  2500 3000 1500 2500 1500 2500   2000  
Rated current(A) 6 7.5 9 6 10 9.5 17   6  
V/Krpm 47.59  40.03 32.22 64.89 38.76 68.13 34.07   47.59  
Ω/phase 0.66 0.454 0.282 0.801 0.262 0.458 0.102   0.66  
mH/phase 2.83  1.913 1.232 3.675 1.258 2.369 0.598   2.83  
LA(mm) 197 197 197 218 218 263 263   197  
Frame size 150ST-L15571A 150ST-L18571A 150ST-L23571A 150ST-L27571A 180ST-L19571A 180ST-L23571A 180ST-L31018A      
Rated Power(KW) 3.8 3.6 4.7 5.5 4 5 6      
Rated Torque(N.m) 15 18 23 27 19 23 31      
Rated Speed(rpm) 2500 2000 2000 2000 2000 2000 1800      
Rated Current(A) 16.5 16.5 20.5 20.5 16.8 28 22      
Max Torque(N.m) 45 54 69 81 57.3 71.6 79.5      
Voltage(V) 220 220 220 220 220 220 220      
Frame size 190ST-H44017A 190ST-H56017A 190ST-H76015A 190ST-H95015A 230ST-H11415A 230ST-H14615A 230ST-H19115A 230ST-H23515A 130-7720  
Rated Power(KW) 8 10 12 15 18 23 30 37 220V  
Rated Torque(N.m) 44 56 76 95 114 146 191 235 1.6  
Rated Speed(rpm) 1700 1700 1500 1500 1500 1500 1500 1500 7.7  
Rated Current(A) 17.5 20.1 27 34 44.1 52.8 68.5 83.4 2000  
 Efficiency 90.5 91.1 91.6 92.1 92.5 93 93.6 94.2    
Voltage(V) 380 380 380 380 380 380 380 380 47.59  
Rotor Inertia(Kg.cm2) 0.01 0.014 0.016 0.019 0.035 0.045 0.056 0.071    
weight(kg) 38.8 43.8 49.5 54.7 73 88 105 122    

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Application: Industrial, Universal, Household Appliances, Power Tools
Operating Speed: Constant Speed
Number of Stator: Three-Phase
Species: Servo Motor
Rotor Structure: Squirrel-Cage
Casing Protection: Protection Type


servo motor

Are there common issues or challenges associated with servo motor systems, and how can they be addressed?

Servo motor systems are widely used in various applications, but they can encounter common issues or challenges that affect their performance and reliability. Let’s explore some of these issues and discuss potential solutions:

1. Positioning and Tracking Errors:

One common challenge in servo motor systems is positioning and tracking errors. These errors can occur due to factors such as mechanical backlash, encoder resolution limitations, or disturbances in the system. To address this issue, careful calibration and tuning of the servo control system are necessary. This includes adjusting feedback gains, implementing feedback filtering techniques, and utilizing advanced control algorithms to improve the system’s accuracy and minimize errors. Additionally, employing high-resolution encoders and backlash compensation mechanisms can help enhance the positioning and tracking performance.

2. Vibration and Resonance:

Vibration and resonance can impact the performance of servo motor systems, leading to reduced accuracy and stability. These issues can arise from mechanical resonances within the system or external disturbances. To mitigate vibration and resonance problems, it is crucial to analyze the system’s dynamics and identify critical resonant frequencies. Implementing vibration dampening techniques such as mechanical isolation, using vibration-absorbing materials, or employing active vibration control methods can help minimize the effect of vibrations and improve the system’s performance.

3. Overheating and Thermal Management:

Servo motors can generate heat during operation, and inadequate thermal management can lead to overheating and potential performance degradation. To address this issue, proper cooling and thermal management techniques should be employed. This may involve using heat sinks, fans, or liquid cooling systems to dissipate heat efficiently. Ensuring adequate ventilation and airflow around the motor and avoiding excessive current or overloading can also help prevent overheating. Monitoring the motor’s temperature and implementing temperature protection mechanisms can further safeguard the motor from thermal damage.

4. Electrical Noise and Interference:

Electrical noise and interference can affect the performance and reliability of servo motor systems. These issues can arise from electromagnetic interference (EMI) or radio frequency interference (RFI) from nearby equipment or electrical sources. To mitigate electrical noise, proper shielding and grounding techniques should be employed. Using shielded cables, ferrite cores, and grounding the motor and control system can help minimize the impact of noise and interference. Additionally, employing filtering techniques and surge protection devices can further improve system robustness against electrical disturbances.

5. System Integration and Compatibility:

Integrating a servo motor system into a larger control system or automation setup can present challenges in terms of compatibility and communication. Ensuring proper compatibility between the servo motor and the control system is crucial. This involves selecting appropriate communication protocols, such as EtherCAT or Modbus, and ensuring compatibility with the control signals and interfaces. Employing standardized communication interfaces and protocols can facilitate seamless integration and interoperability. Additionally, thorough testing and verification of the system’s compatibility before deployment can help identify and address any integration issues.

6. Maintenance and Service:

Maintenance and service requirements are important considerations for servo motor systems. Regular maintenance, including lubrication, inspection, and cleaning, can help prevent issues related to wear and tear. Following manufacturer-recommended maintenance schedules and procedures is essential to ensure the longevity and optimal performance of the motor. In case of any malfunctions or failures, having access to technical support from the manufacturer or trained service personnel can help diagnose and address problems effectively.

By being aware of these common issues and challenges associated with servo motor systems and implementing appropriate solutions, it is possible to enhance the performance, reliability, and lifespan of the servo motor system. Regular monitoring, proactive maintenance, and continuous improvement can contribute to optimizing the overall operation and efficiency of the system.

servo motor

How is the size of a servo motor determined based on application requirements?

The size of a servo motor is an important consideration when selecting a motor for a specific application. The size of the motor is determined based on various factors related to the application requirements. Let’s explore how the size of a servo motor is determined:

1. Torque Requirements:

One of the primary factors in determining the size of a servo motor is the torque requirements of the application. The motor should be able to generate sufficient torque to handle the load and overcome any resistance or friction in the system. The required torque depends on factors such as the weight of the load, the distance from the motor’s axis of rotation, and any additional forces acting on the system. By analyzing the torque requirements, one can select a servo motor with an appropriate size and torque rating to meet the application’s needs.

2. Speed and Acceleration Requirements:

The desired speed and acceleration capabilities of the application also influence the size of the servo motor. Different applications have varying speed and acceleration requirements, and the motor needs to be capable of achieving the desired performance. Higher speeds and accelerations may require larger motors with more powerful components to handle the increased forces and stresses. By considering the required speed and acceleration, one can determine the size of the motor that can meet these demands.

3. Inertia and Load Inertia Ratio:

The inertia of the load and the inertia ratio between the load and the servo motor are important considerations in sizing the motor. Inertia refers to the resistance of an object to changes in its rotational motion. If the load has a high inertia, it requires a servo motor with sufficient size and torque to accelerate and decelerate the load effectively. The inertia ratio, which is the ratio of the load inertia to the motor inertia, affects the motor’s ability to control the load’s motion accurately. A proper balance between the load and motor inertia is necessary to achieve optimal performance and stability in the system.

4. Duty Cycle and Continuous Operation:

The duty cycle and continuous operation requirements of the application also impact the motor size selection. Duty cycle refers to the ratio of the motor’s operating time to the total cycle time. Applications with high-duty cycles or continuous operation may require larger motors that can handle sustained operation without overheating or performance degradation. It is important to consider the motor’s continuous torque rating and thermal characteristics to ensure it can operate reliably under the given duty cycle requirements.

5. Physical Space Constraints:

The physical space available for installing the servo motor is another factor to consider. The motor’s dimensions should fit within the available space, considering factors such as motor length, diameter, and any mounting requirements. It is essential to ensure that the chosen motor can be easily integrated into the system without interfering with other components or causing space constraints.

6. Weight Limitations:

The weight limitations of the application may influence the motor size selection. If there are weight restrictions, such as in mobile or lightweight applications, it is necessary to choose a servo motor that is compact and lightweight while still providing the required performance. Lighter servo motors can help optimize the overall weight and balance of the system.

7. Cost Considerations:

Cost is also a factor to consider when determining the size of a servo motor. Larger motors with higher torque and performance capabilities tend to be more expensive. It is important to strike a balance between the required performance and the cost constraints of the application. Analyzing the cost-effectiveness and overall value of the motor in relation to the application requirements is essential.

By considering these factors, one can determine the appropriate size of a servo motor that can meet the specific application requirements. It is advisable to consult with manufacturers or experts in the field to ensure the chosen motor size aligns with the application needs and provides optimal performance and reliability.

servo motor

Can you explain the difference between a servo motor and a regular electric motor?

A servo motor and a regular electric motor are both types of electric motors, but they have distinct differences in terms of design, control, and functionality.

A regular electric motor, also known as an induction motor or a DC motor, is designed to convert electrical energy into mechanical energy. It consists of a rotor, which rotates, and a stator, which surrounds the rotor and generates a rotating magnetic field. The rotor is connected to an output shaft, and when current flows through the motor’s windings, it creates a magnetic field that interacts with the stator’s magnetic field, resulting in rotational motion.

On the other hand, a servo motor is a more specialized type of electric motor that incorporates additional components for precise control of position, speed, and acceleration. It consists of a regular electric motor, a sensor or encoder, and a feedback control system. The sensor or encoder provides feedback on the motor’s current position, and this information is used by the control system to adjust the motor’s behavior.

The key difference between a servo motor and a regular electric motor lies in their control mechanisms. A regular electric motor typically operates at a fixed speed based on the voltage and frequency of the power supply. In contrast, a servo motor can be controlled to rotate to a specific angle or position and maintain that position accurately. The control system continuously monitors the motor’s actual position through the feedback sensor and adjusts the motor’s operation to achieve the desired position or follow a specific trajectory.

Another distinction is the torque output of the motors. Regular electric motors generally provide high torque at low speeds and lower torque at higher speeds. In contrast, servo motors are designed to deliver high torque at both low and high speeds, which makes them suitable for applications that require precise and dynamic motion control.

Furthermore, servo motors often have a more compact and lightweight design compared to regular electric motors. They are commonly used in applications where precise positioning, speed control, and responsiveness are critical, such as robotics, CNC machines, automation systems, and remote-controlled vehicles.

In summary, while both servo motors and regular electric motors are used to convert electrical energy into mechanical energy, servo motors offer enhanced control capabilities, precise positioning, and high torque at various speeds, making them well-suited for applications that require accurate and dynamic motion control.

China supplier St Series Servo Motor/Electric Motor with CE (1.3kw) /220V   vacuum pump	China supplier St Series Servo Motor/Electric Motor with CE (1.3kw) /220V   vacuum pump
editor by CX 2024-03-14