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

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Dry goods sharing: understand the starter armature in one minute

Release Time:

2023-04-20

   Starter Armature It is one of the crucial components of a car engine, responsible for starting the engine. So, what are its characteristics? First, structurally, the starter armature is usually composed of many windings made of high-conductivity metal materials. This structural design allows the starter armature to efficiently conduct current, enabling the engine to start quickly.

  In addition, according to professionals, another characteristic of the starter armature is its ability to withstand high-temperature and high-current operating environments. At the moment the car engine starts, the armature will withstand currents as high as hundreds of amperes and temperatures of several hundred degrees. Therefore, the armature material must be strong enough to withstand such high temperatures and high currents.

  In addition, the starter armature also features quick start, high efficiency, and low noise, making it an important component for the normal starting of a car engine.

  In short, although its role in the car engine seems insignificant, the starter armature undertakes the important task of starting the engine and has many unique features, providing a guarantee for the smooth operation of the car engine.

  The starter armature is an important component in the car engine system. Its function is to start the car by rotating the crankshaft when the engine starts. What is the technological principle of the starter armature? This will be introduced in detail below.

  The starter armature is composed of several coils of wire, with an iron core wrapped around the coils. The iron core has slots for inserting the rotor gear. The manufacturing process of the starter armature begins with the production of the coils, using copper wire of a specific specification, which is wound onto a mold by a winding machine to form coils of a specific size. Then, the coils are assembled onto the iron core, and the coils are connected to the electrodes by electrode welding. After baking, polishing, and other processing, the manufacturing of the starter armature is finally completed.

  To ensure the quality of the starter armature, it must undergo rigorous testing after manufacturing. The testing methods for the starter armature include electrostatic testing, insulation testing, and electrical performance testing, among other steps. Only after all test results are qualified can it be used in the car engine system.

  When using the starter armature, regular maintenance is necessary. Especially during winter use, due to low temperatures and high humidity, the armature is prone to dampness and aging, so it needs to be regularly disassembled, cleaned, and lubricated. At the same time, it is also necessary to regularly check the wiring to avoid poor contact and disconnection failures.

  Various failures may occur in the starter armature during use, such as short circuits in the armature windings, iron core wear, poor electrode contact, and rotor gear wear. These failures require appropriate handling methods, such as replacing coils, repairing the iron core, cleaning the connectors, and replacing gears.

  In short, the technological principle of the starter armature is to convert the magnetic field into rotational force through the circuit, thereby starting the car engine. During use, regular maintenance is required to prevent failures from affecting the use effect.


Starter armature

08-17

2022

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

08-05

2022

The function of an automotive armature

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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