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

03-13

2023

How to properly test a starter armature? Maintenance tips for starter armatures

The starter armature is a key component in the process of converting battery energy into mechanical energy during car starting. It consists of numerous small parts. Due to its complex structure and working environment, its maintenance is relatively complex and requires correct detection to ensure its normal operation and long lifespan. I. Correct methods for detecting the starter armature 1. Check the appearance of the starter armature to ensure that its rotating parts are not worn or deformed, the cable connectors are not damaged, the terminals are not discolored, the armature insulator is not damaged, and there is no abnormal temperature rise in the armature body. 2. Use a professional testing instrument to check its internal circuit to ensure that its resistance value has not changed, the insulation is not damaged, the brush bristles are not shortened, the contact surface of the carbon brush is not discolored, and the armature structure is not deformed. 3. Based on the test results, if problems are found with the starter armature, a new armature should be replaced promptly to ensure that the car can start normally, avoid engine damage, and prevent unnecessary repair costs. II. Starter armature maintenance 1. Regularly check the starter armature, especially after the car has been parked for a long time. Check the armature status promptly, and replace it with a new one if there are any abnormalities. 2. When the car is running, regularly check the engine

03-01

2023

Get to know brushless DC motor stators and rotors in one minute

The stator and rotor of a brushless motor are components of the motor. The two components can coordinate with each other through the action of the magnetic coil to convert electromagnetic energy information into mechanical energy. Simply put, the stator and rotor of a brushless motor are the rotating parts of the motor. Brushless DC motors use semiconductor switching devices to achieve electronic commutation, i.e., electronic switching devices replace traditional contact commutators and brushes. They have advantages such as high reliability, no commutation sparks, and low mechanical noise, and are widely used in high-end tape recorders, video recorders, electronic instruments, and automated office equipment. A brushless DC motor consists of a permanent magnet rotor, a multi-pole winding stator, and a position sensor. The position sensor detects the change in rotor position and switches the current in the stator windings in a certain order (i.e., it detects the position of the rotor magnetic pole relative to the stator windings and generates a position sensing signal at a specific position. After processing by the signal conversion circuit, it controls the power switching circuit and switches the winding current according to a certain logical relationship). The working voltage of the stator winding is provided by the electronic switching circuit controlled by the position sensor output. There are three types of brushless motor stator and rotor position sensors: photoelectric, magnetoresistive, and electromagnetic. In brushless DC motors using magnetoresistive position sensors, the magnetoresistive sensor components (

02-20

2023

How to check the condition of a brushless motor stator and rotor?

The stator and rotor of a brushless motor are important components of motors such as generators and starters. The stator is an important part of the motor. The stator and rotor of a brushless motor consist of a stator core, stator windings, and a frame. The main function of the brushless motor stator and rotor is to generate a rotating magnetic field, while the main function of the rotor is to be cut by electromagnetic lines in the rotating magnetic field to generate (output) current. The rotor is the rotating part of the motor. The motor consists of a rotor and a stator, used to achieve the conversion of electrical energy and mechanical energy, as well as mechanical energy and energy conversion devices. The motor rotor system is divided into two motor rotors and generator rotors. The function of the brushless motor stator and rotor is to rotate the drive shaft and provide electrical energy and mechanical energy conversion. The stator refers to the conductor in the magnetic field, the conductor is fixed, and the rotor refers to the electromagnetic coil, which moves relative to the conductor. This relative motion causes the magnetic lines of force to be cut, thus generating current in the stator coil. The stator and rotor of a brushless motor are made of iron cores and windings, and the windings are made of silicon steel and thick copper conductors. The conductors are insulated and coated with epoxy resin. The stator and rotor of a brushless motor are equivalent to conductors, and the rotor is equivalent to an electromagnet. After the rotor is energized, it is driven to rotate by the engine to form a rotating magnetic field model. Conversely, when the conductor cuts the rotating magnetic field, an induced electromotive force will be formed in the conductor.

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