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

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

Release Time:

2023-03-13

   Starter armature It is a key component in the process of converting battery energy into mechanical energy during car starting, and it is composed of many small parts. Due to its complex structure and working environment, its maintenance work is relatively complex, and correct detection must be ensured to guarantee its normal operation and long life.

  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 the armature body does not have abnormal temperature rise, etc.

  2. Use a professional testing instrument to test its internal circuit to ensure that its resistance value has not changed, the insulation has not been damaged, the brush bristle length has not been shortened, the brush contact surface has not been discolored, and the armature structure has not been deformed, etc.

  3. According to the test results, if any problems are found with the starter armature, a new armature should be replaced in time to ensure that the car can start normally, while avoiding engine damage and unnecessary loss of repair costs.

  II. Starter armature maintenance

  1. Regularly check the starter armature, especially after long-term parking of the car, the armature status should be checked in time, and if there are any abnormalities, a new armature should be replaced in time.

  2. When the car is running, the engine should be checked regularly. Diesel vehicles should pay attention to checking the fuel system to ensure that the engine is working normally, so as not to affect the service life of the starter armature.

  3. If an engine malfunction occurs during the driving process, the car should be stopped in a safe place as soon as possible to avoid the engine from stopping, which is not conducive to the normal use of the armature.

  4. Avoid unnecessary disassembly of the armature to prevent damage to the armature components.

  5. Regularly inspect the car, check the engine condition, ensure the normal operation of the armature, and maintain the normal use condition of the armature.

  The starter armature is a key component in the car starting process. Correct detection and maintenance are the key to ensuring its normal operation. Correct detection and maintenance are required to ensure its normal operation and avoid unnecessary losses.

  1. Testing the starter armature

  Before testing the starter armature, the engine circuit board should be tested first to ensure that it is intact, so that it can be determined whether there is a short circuit. Secondly, the internal wiring of the engine should be tested to ensure that there is no damage, so as to ensure the normal operation of the armature. Finally, the insulation of the engine armature should be tested to ensure that the armature has not been burned out, ensuring the normal operation of the armature.

  2. Maintenance of the starter armature

  The maintenance of the starter armature can be divided into the following aspects: First, when repairing, the engine circuit board should be checked to ensure that the circuit board is intact; secondly, the internal wiring of the engine should be checked to ensure that there is no damage; finally, the insulation of the engine armature should be checked to ensure that the armature has not been burned out. If the engine armature is found to be damaged, insulating material can be used to repair it.

  3. Installation of the starter armature

  The installation of the starter armature needs to be carried out according to certain steps. First, the armature should be installed on the engine, and ensure that they are in full contact to ensure the normal operation of the armature; secondly, before installing the armature, the wiring on the armature should be connected to the engine to ensure the correct installation of the armature; finally, after the installation is completed, the connection of the armature should be checked to ensure the normal operation of the armature.

  4. Replacing the starter armature

  If the starter armature is found to be damaged, a new armature can be used for replacement. First, the damaged armature should be removed, and then the new armature should be installed on the engine; secondly, before installing the new armature, the wiring on the armature should be checked to ensure that they are in full contact; finally, after the installation is completed, the connection of the armature should be checked to ensure the normal operation of the armature.


Starter armature

02-09

2023

Introduction to the role of the stator and rotor in a brushless motor - collect this information!

The stator and rotor of a brushless motor consist of permanent magnets with a certain number of magnetic poles embedded in or on the surface of the iron core. Most permanent magnets are made of rare-earth permanent magnet materials with high coercivity, such as neodymium, iron, and boron, and high magnetic permeability and magnetic induction density. The rotor magnets are similar to those in brushed motors; both produce a sufficient magnetic field in the air gap of the motor. The difference is that the permanent magnets in brushed motors are mounted on the rotor, while those in brushless DC motors are mounted on the stator. The rotor system structure of brushless DC motors often adopts different surface-mounted magnets, also known as tile magnets, with radially magnetized tile-type permanent magnets bonded to the outer surface of the iron core. Through reasonable design, a square-wave air gap magnetic flux density can be obtained. What is the injection molding process for the stator and rotor of a brushless motor? Metal inserts are placed in the mold, and then BMC plastic is injected and heated to 160 degrees. The power of the motor should be selected according to the power required by the equipment, so that the motor operates under rated load as much as possible. Two points should be noted when selecting: (1) If the motor power is too small, a "small horse pulling a large cart" phenomenon will occur, causing the motor to be overloaded for a long time and damaging it.

01-30

2023

What are the components of a starter motor armature?

The control device of the starter armature includes an electromagnetic switch, a starter relay, and an ignition start switch, etc., among which the electromagnetic switch is made together with the starter armature. I. Electromagnetic switch 1. Structural characteristics of electromagnetic switch The electromagnetic switch is mainly composed of an electromagnetic iron mechanism and a motor switch. The electromagnetic iron mechanism is composed of a fixed iron core, a moving iron core, an attracting coil, and a holding coil. The fixed iron core is fixed, and the movable iron core can move axially in the copper sleeve. The front end of the movable iron core is fixed with a push rod, and the front end of the push rod is provided with a switch contact plate. The rear end of the movable iron core is connected to the fork through an adjusting screw and a connecting pin. The reset spring is arranged outside the copper sleeve to reset the movable parts, such as the movable iron core. 2. Working principle of electromagnetic switch When the directions of the magnetic fluxes generated by energizing the attracting coil and the coil are the same, their electromagnetic attractions overlap each other, and the moving iron core can be attracted to move forward. The pad at the front end of the push rod until the electrical switch contacts are connected to the motor main circuit. When the magnetic pain caused by the energization of the attracting coil and the coil is in the opposite direction, their electromagnetic attractions cancel each other out. Under the action of the reset spring, the movable iron core and other movable parts automatically reset, the pads and contacts are disconnected, and the motor main circuit is disconnected. II. Starting relay

01-10

2023

What is the manufacturing method for the starter armature structure?

The starter armature structure can increase the energization time of the starter and avoid the problem of short circuit caused by the ablation of the copper wire winding after the armature is energized for a long time, thus ensuring the safety of the circuit. The starter armature structure includes an armature shaft, an armature winding, an iron core and a commutator. The armature winding includes an end winding i arranged away from the commutator. The end winding i is provided with a U-shaped portion, and the U-shaped portion is provided with an insulating sleeve. The melting point of the insulating sleeve is higher than 200 ℃. The iron core is fitted on the armature shaft, and the iron core is provided with a winding slot i, and the armature winding is embedded in the winding slot i. An insulating piece i is set in the winding slot i to isolate the armature winding from the iron core and the edges of the components of the armature winding. The insulating piece i has an S-shape structure to wrap the edges of the components of the armature winding. The commutator is fitted on the armature shaft and is arranged near the end of the armature shaft. The commutator is provided with a winding slot ii. The armature winding also includes an end winding ii, which is arranged near the commutator and embedded in the winding slot ii. The end winding ii is composed of an inner ring layer and an outer ring layer, and an insulating element ii is arranged between the inner ring layer and the outer ring layer to isolate the inner ring layer and the outer ring layer. The clamping ring is also fitted at a position corresponding to the winding slot ii on the commutator. The insulating sleeve is made of glass fiber. Compared with the existing technology, this invention

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