Electric Motors

What is an Electric Motors?

are devices that convert electrical energy into mechanical energy, usually in the form of rotational motion. In simple terms, they are devices that use electric power to generate motive power. Not only do electric motors provide a simple and efficient means of generating high levels of drive output, but they are also easy to make smaller, allowing them to be incorporated into other machinery and equipment. As a result, they are found in a wide variety of applications in both industry and daily life.

Differents Types Electric Motors for Sale

The company is mainly engaged in the production of the Y2 series three-phase asynchronous motor and its derivative YVF2 series variable frequency motor, Y2EJ series , YD series variable pole multi-speed motor, YB2 series and more than 200 specifications and varieties. At the same time, the company has an excellent and professional R & D team committed to developing and designing all kinds of special motors for gearshift machines; the products are widely used in national key projects and are the supplier of many well-known domestic enterprises. Our motor has the advantages of low energy consumption, high efficiency, novel appearance, low noise, low vibration, long service life, thoughtful service, strict quality management system (ISO9001:2000 quality system certification, CCC certification, CE certification), and has become a well-known brand in the industry and achieved a higher market share. At the same time, the products are also exported to Europe, South America, and Southeast Asia.

YEJ Eletromagnetic Brake Motor

Other Motors

How Do Electric Motors Work?

The basic idea behind how electric motors work is simple: the rotor spins inside a stator that is connected to an electrical supply. The rotor rotates when an electromagnetic field produces attractive and replusive forces. When the rotor turns faster than the magnetic field, it recharges the battery and acts as an alternator.

The rotor and electromagnets in an electric motor are connected by coils of wire. When power is applied to a coil, the coils of wire turn into an electromagnet. This electromagnet attracts the opposite pole of the magnet. The current is then switched from one pole to the other by changing the polarity of the commutator.

The physical principle of electric motors is the same for both DC and alternating current (AC) motors. The basic premise is that a magnetic field is created every time an electric charge moves. In a simple DC motor, a magnetic field is generated on the stator's two components.

An electric motor consists of three parts: the stator, the commutator, and the electromagnet. The commutator is a set of two metal plates attached to the axle of the electromagnet. These plates have slots that switch the direction of the electric field. A field magnet is a permanent magnet that is placed near the armature. When there is a current flowing through this magnet, the armature spins and generates torque.

Parts for Electric Motors

Depending on their use and the type of current running through an electric motor, each has different components to make the motor function. Here are some of the key parts of a motor:

Rotor – The rotor is a coil mounted on an axle and it provides the rotational mechanical energy. It spins at high speed and can include conductors that carry current and interact with the magnetic field in the stator.
Stator – This acts in the opposite way to a rotor in that it is a stationary part of the electromagnetic circuit. It is made up of permanent magnets or windings and is often built with thin metal sheets called laminations, which can help to reduce energy loss. These are primarily found in brushed DC motors.
Commutator – This part is a very important component in DC motors because without it, the rotor would not be able to spin continuously. The commutator is a half ring in the electric motor, usually made from copper and it allows the rotor to spin by reversing the current each time the rotor turns 180 degrees.
It is important to remember that these parts work differently depending on whether they are brushed or brushless motors. In a brushless DC motor, the permanent magnets are fitted to the rotor and electromagnets are on the stator.

Electric Motors Manufacturing Process

1. Machining technology: including rotor processing and shaft processing.
2. Iron core manufacturing process: including punching and lamination of magnetic pole cores.
3. Winding manufacturing process: including coil manufacturing, winding embedding and its insulation treatment (including short-circuit ring welding).
4. Manufacturing process of squirrel cage rotor: including lamination of rotor core and rotor die casting.
5. Motor assembly process: including the riveting of the bracket components, the riveting and assembly of the main and auxiliary stators of the motor, etc.

Electric Motors of Various Types

Electric motors come in a variety of designs with different operating and safety characteristics, but they may be divided into two types: alternating current (AC) and direct current (DC).

While the power source is the most noticeable distinction between the two motor types, each has its own set of features and uses. AC motors are capable of driving more sophisticated and delicate equipment, whereas DC motors are typically used to power larger equipment that requires less maintenance and control. Because AC motors can produce greater torque, many industry people believe them to be more powerful than DC motors.

AC Motor

The alternating current is converted into mechanical power by the AC motor. Induction, synchronous, and linear motors are the three types of motors. AC motors are the most often used in the business because they offer various benefits:

🔸 They are simple to construct

🔸 They are more economical due to lower start-up consumption

🔸 They are also sturdier and, therefore, generally have a longer lifespan

🔸 They require little maintenance

🔸 They are simple to construct

DC Motor

A DC motor is a mechanism that transforms DC electrical power into mechanical power. Its operation is based on the basic idea that when a current-carrying conductor is put in a magnetic field, a force is applied to it, and torque is generated. DC motors are also highly prevalent in industrial settings because, depending on the format (see brushless motor issue), they offer considerable advantages:

🔸 They are precise and rapid

🔸 Their speed can be regulated by altering the supply voltage

🔸 They are simple to install, even in mobile (battery-powered) systems

🔸 The starting torque is great

🔸 They start, stop, accelerate, and reverse swiftly

What Are Electric Motors Used For?

Electric motors are used across industries for a variety of reasons, primarily because of their longer lifespan, in comparison with say, fossil fuel engines because they require less maintenance and they offer a greener alternative.

AC motors can be found in conveyor systems, typically found within factories and warehouses because they can ensure stable and constant delivery. Another example of their use is within air conditioning systems. As AC motors are brushless, they are inherently reliable and therefore require very little maintenance.

A DC motor can handle the movement of heavier loads and will function well in a variety of conditions, therefore they are found in mission-critical applications, such as train wiper systems because of their reliability and strength. These types of motors can also be found in smaller appliances such as vacuum cleaners and like all motors they can be adapted to suit the requirements of the application.