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

01-03

2023

What are the structural hotspots of a starter armature?

The starter armature moves the entire armature through the magnetic force of the magnetic poles, causing the drive gear to mesh with the flywheel gear ring. The armature of the starter is offset from the magnetic pole by a certain distance under the action of the reset spring, and the commutator is relatively long. The starter housing is equipped with an electromagnetic switch. Its magnetizing coil is controlled by the starter switch S. The movable contact is the contact bridge. The upper end of the contact bridge is longer and the lower end is shorter, so the starter circuit can be connected in two stages. The starter has three magnetic field windings. Among them, the main magnetic field winding with fewer turns is made of flat copper bars, and the other two fine wire windings are the series auxiliary magnetic field winding and the parallel auxiliary magnetic field winding (also called the holding coil). The starter one-way clutch generally uses a friction plate clutch. The working process of the starter armature is divided into two stages. The series auxiliary excitation winding mainly works in the first stage, and in the second stage it is almost short-circuited due to being in parallel with the main excitation winding; the parallel auxiliary excitation winding works in both stages, which not only increases the magnetic force attracting the armature, but also limits the no-load speed. (1) Engagement When the starter switch S is turned on, the electromagnet generates suction to attract the contact bridge. However, because the pawl rests against the blank, the contact bridge can only close at the upper end, and the series and parallel auxiliary magnetic field winding circuits are turned on. The current circuit is:

12-21

2022

Starter armature: What is an armature?

The starter armature manufacturer states that motors play a key and crucial role in the process of achieving mutual conversion between mechanical energy and electrical energy. For generators, it is the component that generates electromotive force, such as the rotor in a DC generator and the stator in an AC generator; for motors, it is a component that generates electromagnetic force, such as the rotor in a DC motor. The starter armature manufacturer states that the armature is the relative motion of the coil relative to the magnetic field of the coil-carrying component in the motor. In a generator, an induced electromotive force is generated in a forced rotating coil to generate electricity. In a motor, the energized coil is subjected to Ampere force in the magnetic field, causing it to rotate in the magnetic field. In the mid-19th century, the term "armature" was early used for inductors, i.e., holders of magnets. Part of an alternator or related equipment can be represented by any mechanical or electrical aspect. Although these two sets of terms are clearly separated, they are often used interchangeably, or a combination of mechanical and electrical terms is included. This can cause confusion when using composite motors such as brushless alternators, or when talking to people accustomed to using different configurations of motors. The starter armature manufacturer states that in most generators, the field magnet is rotating and is part of the rotor, while the armature is stationary.

12-12

2022

Starter armature: armature knowledge points

The armature manufacturer states that the armature plays a key and crucial role in the process of converting mechanical energy and electrical energy into each other. For generators, it is the component that generates electromotive force, such as the rotor in a DC generator and the stator in an AC generator; for motors, it is a component that generates electromagnetic force, such as the rotor in a DC motor. The armature is the part of a motor that has coils, and the coils move relative to the magnetic field. In a generator, an induced electromotive force is generated in the forced rotating coil to generate electricity. In a motor, the energized coil is subjected to the Ampere force in the magnetic field, causing it to rotate in the magnetic field. The armature manufacturer states that in most generators, the field magnet is rotating and is part of the rotor, while the armature is stationary and is 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. The pole shoes and moving iron parts of permanent magnets or electromagnets and solenoids (especially when the latter are used as switches or relays) can also be called armatures. The armature manufacturer states that armatures are divided into two categories: DC armature windings and AC armature windings. They are used in DC motors and AC motors respectively. Including the armature core and the armature winding, the armature winding is the circuit part of the DC motor,

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