China supplier 7mm Diameter Custom Torque Micro Electric DC Brush Vibration Motor vacuum pump adapter

Product Description

 

7A Series  φ7mm x L16.6   Precious Metal Brushes  

Motor Paramter Motor Model
Values at nominal voltage 7A2NA-
017091
7A2NA-
015051
     
  1 Rated voltage V 3.4 3.7      
Free Load 2 No load speed rpm 49193 57168      
3 No load current mA 71 109      
At Max. Efficiency 4 Max. efficiency % 71.55% 71.80%      
5 Speed rpm 42617 49577      
6 Current mA 459 711      
7 Torque g.cm 2.78 3.71      
At Max. Output 8 Max. output W 2.63 4.1      
9 Speed rpm 24597 28584      
10 Current mA 1524 2375      
11 Torque g.cm 10.4 13.97      
At Stall 12 Stall current A 2.98 4.64      
13 Stall torque g.cm 20.8 27.94      
Motor Constants
  14 Teminal resistance Ω 0.9 0.52      
  15 Torque constant g.cm/A 7.158 6.166      
  16 Speed  constant rpm/V 13620 15823      
  17 Speed/Torque constant rpm/g.cm 2364.7 2046.1      

Motor Characteristic Typical Performance
Thermal parameters  

18 Ambient temperature -20~+65 ºC
19 Max. permissible winding temperature                                 85 ºC
Mechanical parameters
20 Max. penmissible No-load speed 55000 rpm
21 Max. axial load(dynamic) 0.15 N
Other parameters
22 Number of pole pairs 1  
23 Number of commutator segments 3~5  
24 Weight 2.6 g
Remarks  
1 Rotation direction, wire specification and performance parameters can be
made according to customer’s requirement.
2 Motor can be mounted with various shapes and sizes of eccentric weight which
is made of iron, brass or ferro-alloy to become vibration motor.
3 Dimension with “*” in the drawing can be adjusted according to customer’s requirement.
       1g=0.035oz    1inch=25.4mm    1g.cm=0.098mN.m     1oz=28.35g     1mm=0. 0571 inch     1mN.m=10.2g.cm

Company & Factory

 

 

 
     
     

Appliance
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Application: Automation Equipment, Moving Machinery
Operating Speed: High Speed
Power Source: DC Motor
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electric motor

What factors should be considered when selecting the right electric motor for a task?

When selecting the right electric motor for a task, several factors need to be considered to ensure optimal performance and compatibility. Here’s a detailed overview of the factors that should be taken into account:

  1. Load Requirements: The first consideration is understanding the specific load requirements of the task. This includes factors such as the torque or force needed to drive the load, the speed range required, and any variations in load that may occur. By accurately assessing the load requirements, you can determine the appropriate motor type, size, and characteristics needed to handle the task effectively.
  2. Motor Type: Different motor types are suited for specific applications. Common motor types include AC induction motors, brushless DC motors, brushed DC motors, and stepper motors. Each type has its own advantages and limitations in terms of speed range, torque characteristics, efficiency, control requirements, and cost. Choosing the right motor type depends on the task’s specific requirements and the desired performance.
  3. Power Supply: Consider the available power supply for the motor. Determine whether the application requires AC or DC power and the voltage and frequency range of the power source. Ensure that the motor’s power requirements align with the available power supply to avoid compatibility issues.
  4. Efficiency and Energy Consumption: Efficiency is an important factor to consider, especially for applications where energy consumption is a concern. Higher motor efficiency translates to lower energy losses and reduced operating costs over the motor’s lifetime. Look for motors with high efficiency ratings to minimize energy consumption and improve overall system efficiency.
  5. Environmental Factors: Assess the environmental conditions in which the motor will operate. Consider factors such as temperature, humidity, dust, and vibration. Some motors are specifically designed to withstand harsh environmental conditions, while others may require additional protection or enclosures. Choosing a motor that is suitable for the intended environment will ensure reliable and long-lasting operation.
  6. Control and Feedback Requirements: Determine whether the application requires precise control over motor speed, position, or torque. Some tasks may benefit from closed-loop control systems that incorporate feedback devices like encoders or sensors to provide accurate motor control. Evaluate the control and feedback requirements of the task and select a motor that is compatible with the desired control mechanism.
  7. Physical Constraints: Consider any physical constraints or limitations that may impact motor selection. These constraints may include space restrictions, weight limitations, mounting options, and mechanical compatibility with other components or equipment. Ensure that the chosen motor can physically fit and integrate into the system without compromising performance or functionality.
  8. Cost and Budget: Finally, consider the budget and cost constraints associated with the motor selection. Evaluate the initial purchase cost of the motor as well as the long-term operating costs, including maintenance and energy consumption. Strive to strike a balance between performance and cost-effectiveness to ensure the best value for your specific application.

By considering these factors, you can make an informed decision when selecting the right electric motor for a task. It is crucial to thoroughly analyze the requirements and match them with the motor’s specifications to achieve optimal performance, reliability, and efficiency.

electric motor

Can electric motors be used in renewable energy systems like wind turbines?

Yes, electric motors can be used in renewable energy systems like wind turbines. In fact, electric motors play a crucial role in converting the kinetic energy of the wind into electrical energy in wind turbines. Here’s a detailed explanation of how electric motors are utilized in wind turbines and their role in renewable energy systems:

Wind turbines are designed to capture the energy from the wind and convert it into electrical power. Electric motors are used in wind turbines to drive the rotation of the turbine blades and generate electricity through the following process:

  1. Wind Capture: The wind turbine blades are designed to efficiently capture the kinetic energy of the wind. As the wind blows, it causes the blades to rotate.
  2. Blade Rotation: The rotational motion of the turbine blades is achieved through electric motors known as pitch motors. Pitch motors adjust the angle or pitch of the blades to optimize their orientation relative to the wind direction. The electric motors drive the mechanical mechanism that rotates the blades, allowing them to capture the maximum energy from the wind.
  3. Power Generation: The rotation of the wind turbine blades drives the main shaft of the turbine, which is connected to an electric generator. The generator consists of another electric motor known as the generator motor or generator rotor. The rotational motion of the generator rotor within a magnetic field induces an electrical current in the generator’s stator windings, producing electricity.
  4. Power Conversion and Distribution: The electricity generated by the wind turbine’s generator motor is typically in the form of alternating current (AC). To make it compatible with the electrical grid or local power system, the AC power is converted to the appropriate voltage and frequency using power electronics such as inverters. These power electronics may also incorporate electric motors for various conversion and control functions.
  5. Integration with Renewable Energy Systems: Wind turbines, equipped with electric motors, are integrated into renewable energy systems to contribute to the generation of clean and sustainable power. Multiple wind turbines can be connected together to form wind farms, which collectively generate significant amounts of electricity. The electricity produced by wind turbines can be fed into the electrical grid, used to power local communities, or stored in energy storage systems for later use.

Electric motors in wind turbines enable the efficient conversion of wind energy into electrical energy, making wind power a viable and renewable energy source. The advancements in motor and generator technologies, along with control systems and power electronics, have enhanced the performance, reliability, and overall efficiency of wind turbines. Additionally, electric motors allow for precise control and adjustment of the turbine blades, optimizing the energy capture and minimizing the impact of varying wind conditions.

Overall, the use of electric motors in wind turbines is instrumental in harnessing the power of wind and contributing to the generation of clean and sustainable energy in renewable energy systems.

electric motor

What are the different types of electric motors available?

There are various types of electric motors available, each designed for specific applications and operating principles. These motors differ in their construction, power sources, and performance characteristics. Here is an overview of some common types of electric motors:

  1. DC Motors: DC (Direct Current) motors are widely used and come in different configurations. The most common types include brushed DC motors and brushless DC motors. Brushed DC motors use brushes and a commutator to switch the direction of current in the rotor, while brushless DC motors use electronic commutation. DC motors offer good speed control and torque characteristics, making them suitable for applications like robotics, electric vehicles, and small appliances.
  2. AC Motors: AC (Alternating Current) motors are classified into several types, including induction motors, synchronous motors, and universal motors. Induction motors are popular for their simplicity and reliability. They operate based on electromagnetic induction and are commonly used in industrial and residential applications. Synchronous motors operate at a constant speed and are often used in applications that require precise control, such as industrial machinery and synchronous clocks. Universal motors are designed to operate on both AC and DC power sources and are commonly found in household appliances like vacuum cleaners and power tools.
  3. Stepper Motors: Stepper motors are designed to move in discrete steps or increments, making them suitable for applications that require precise positioning. They are often used in robotics, 3D printers, CNC machines, and other automated systems. Stepper motors are available in various configurations, including permanent magnet stepper motors, variable reluctance stepper motors, and hybrid stepper motors.
  4. Servo Motors: Servo motors are a type of motor that combines a DC motor with a feedback control mechanism. They are known for their precise control over position, velocity, and acceleration. Servo motors are commonly used in robotics, industrial automation, and applications that require accurate motion control, such as robotic arms, RC vehicles, and camera gimbals.
  5. Linear Motors: Linear motors are designed to produce linear motion instead of rotational motion. They operate on similar principles as rotary motors but with a different mechanical arrangement. Linear motors find applications in high-speed transportation systems, cutting machines, and other systems that require linear motion without the need for mechanical conversion from rotary to linear motion.
  6. Haptic Motors: Haptic motors, also known as vibration motors, are small motors used to create tactile feedback or vibrations in electronic devices. They are commonly found in smartphones, game controllers, wearable devices, and other gadgets that require haptic feedback to enhance the user experience.

These are just a few examples of the different types of electric motors available. Each type has its own advantages, limitations, and specific applications. The selection of an electric motor depends on factors such as the required torque, speed, control, efficiency, and the specific needs of the application at hand.

China supplier 7mm Diameter Custom Torque Micro Electric DC Brush Vibration Motor   vacuum pump adapter	China supplier 7mm Diameter Custom Torque Micro Electric DC Brush Vibration Motor   vacuum pump adapter
editor by CX 2024-05-15