Specializing in the design and manufacture of automotive motor armatures and stators.

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Manufacturing principle of brushless motor stator and rotor

Release Time:

2023-06-09

The brushless motor stator and rotor is a motor structure whose manufacturing principle is based on electromagnetic principles and motor manufacturing technology. This structure has higher efficiency and less mechanical wear compared to the traditional brushed motor stator and rotor structure, so it is widely used in various industrial fields such as wind power generation, electric vehicles, and drones. This article will provide a detailed introduction to the manufacturing principle of the brushless motor stator and rotor.

First, the brushless motor stator and rotor structure consists of two parts: the stator and the rotor. The stator contains several coils, which are made of conductors, while the rotor has permanent magnets or other magnets. The rotor and stator interact through a magnetic field to generate torque, driving the motor to work.

Secondly, in the manufacturing of the brushless motor stator and rotor, advanced manufacturing processes and materials are needed. The stator coils are generally made of copper wire, and the shape and number of coils are determined according to actual working needs. In order to ensure that the gap between the stator coils and the rotor is as small as possible, the distance between the stator and rotor is generally only a few millimeters.

Finally, during the motor manufacturing process, the stator and rotor need to be precisely processed to ensure their mutual matching accuracy. At the same time, the motor also needs to be finely assembled and tested to ensure its performance and quality.

Although the manufacturing principle of the brushless motor stator and rotor structure is relatively complex, its application is widespread, and it has become an important part of modern industry. Through reasonable design and manufacturing, the motor of this structure can have higher efficiency and longer service life, thus bringing more convenience and benefits to industrial production and people's lives.





Brushless motor stator and rotor

08-17

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How to identify automotive armature windings?

The armature winding of an automobile is the heart of the motor. Different motors, manufacturers, and processing technologies correspond to different winding styles. Different winding styles are chosen to achieve specific characteristics, such as simple structure, easy manufacturing and maintenance, and safe and reliable operation. The automobile armature winding, like the AC motor winding, has a significant potential difference between the edges of each coil for a specific number of conductors. It should save non-ferrous metals and insulating materials as much as possible, but it has unique characteristics. Through the connector between coils, the connection relationship must ensure good conversion. I. Characteristics and coil pitch of automobile armature winding The characteristics of automobile armature winding are usually represented by the number of slots, the number of coils, the number of commutator segments, and various coil pitches. Each coil has two coil sides, and each commutator segment connects coil sides and coil sides, so the number of coils S must be equal to the number of commutator segments K (for example, S=K). 1. One pitch y1 The distance between the two coil sides of each coil intersecting the armature surface is called the back coil pitch or one coil pitch of the winding, represented by the number of virtual slots intersected. 2. Two pitches y2 In two coils connected by the same translation layer section, the distance between the bottom coil side of one coil and the top coil side of the other coil from the armature surface is called the front coil pitch or two coil pitches,

08-11

2022

Induced electromotive force and current of automotive armature windings

The basic understanding is that when a current flows through the armature winding in a magnetic field, a force acts on the winding. A more advanced understanding is that when a current flows through the winding in a magnetic field, another magnetic field is generated, and the interaction between the two magnetic fields produces torque. From an electron's perspective, the current experiences a force in the magnetic field. The latter understanding is that two magnetic fields interact with each other. Generally understood as a magnetic field that generates induced electromotive force, and the current in the winding generates another magnetic field, and the interaction between the two magnetic fields generates torque. However, if the two are combined into one magnetic field, how this magnetic field generates torque needs to understand the tensor law. The magnetic force that generates the armature induced electromotive force is called the air gap magnetic flux line, and the magnetic chain is called the air gap magnetic flux line. The air gap magnetic flux line and the induced armature will reduce the frequency relationship, thereby reducing the pi/2 phase relationship. This is a very clear and measurable physical quantity. The relationship with the armature winding current is also obvious. There are two main types of flowing armature windings, used in DC motors and AC motors respectively. The armature consists of an armature core and an armature winding. The armature winding is the circuit part of a DC motor, and is the part that converts electrical energy by generating induced electromotive force and electromagnetic torque (a generator is the part that converts mechanical energy into electrical energy). The armature core is the electric

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The automotive armature is a core component in the process of converting mechanical energy and electrical energy in a motor. For generators, it is the component that generates electromotive force, such as the rotor and stator of a DC generator and the stator of an AC generator. For motors, it is the component that generates electromagnetic force, such as the rotor and stator of a DC motor. The automotive armature is the component of the motor that has coils, and these coils move relative to the magnetic field. In a generator, the rotating coils under force generate an induced electromotive force, thus generating electricity. In a motor, the coils are subjected to Ampere's force in the magnetic field, causing them to rotate in the magnetic field. In most generators, the field magnet is part of the rotating component, and the armature is stationary, part of the stator. Motors and generators can be composed of a stationary armature and a rotating magnetic field or a rotating armature and a stationary magnetic field. Permanent magnets or the polarized parts of electromagnets and the moving iron parts of solenoids (especially when the latter are used as switches or relays) can also be considered armatures. Composition of an automotive armature: Automotive armature windings are divided into two main categories: DC armature windings and AC armature windings. They are used in DC motors and AC motors respectively. The automotive armature consists of an armature core and armature windings. The armature windings are the circuit part of the DC motor, formed by...

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