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

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Maintenance methods for starter armature

Release Time:

2023-03-31

   Starter armature It is an important part of the car engine. Its condition reflects the running condition of the car engine. Therefore, detecting whether there is a fault in the starter armature is an important part of car maintenance. There are several methods to detect whether there is a fault in the starter armature:

  1. Check the degree of wear of the armature when the engine starts: Since the starter armature will be worn when the engine starts, the degree of wear of the armature when the engine starts can be checked. If the surface of the armature is found to be excessively worn, it may be a sign of a fault in the armature.

  2. Check the sound emitted when the engine starts: If the engine makes an abnormal sound when it starts, it may be a sign of a fault in the armature. Normally, the engine only makes a slight humming sound when it starts. If it makes other abnormal sounds, it indicates that there may be a problem.

  3. Check for leaks during engine operation: Wear of the starter armature can cause engine oil leakage. Therefore, when the engine is running, check whether the engine is leaking oil. If oil leakage is found, it indicates that there may be a problem.

  The maintenance of the starter armature is an important factor in the running condition of the car engine. Therefore, the starter armature needs to be regularly maintained to ensure its normal operation. The main points of maintaining the starter armature are:

  1. Regularly check the degree of wear of the starter armature: Since the starter armature will be worn when the engine starts, it is necessary to regularly check the degree of wear of the starter armature. If obvious wear is found on the surface of the armature, a new armature can be replaced in time.

  2. Regularly check the level of the engine coolant: Since the level of the engine coolant will affect the normal operation of the starter armature, it is necessary to regularly check the level of the engine coolant to ensure the normal operation of the engine coolant.

  3. Regularly change the engine oil: The quality of the engine oil will directly affect the normal operation of the starter armature. Therefore, it is necessary to regularly change the engine oil to ensure the quality of the engine oil. The correct method is: Before changing the engine oil, professional equipment should be used to extract the engine oil, and then new oil should be replaced. This can ensure the quality of the engine oil.

  The above are the methods for detecting and maintaining the starter armature. Only correct detection and maintenance can ensure the normal operation of the starter armature and thus ensure the normal operation of the car engine.

  To check the starter armature, preparatory work must be carried out first, the necessary tools must be prepared, and the safety of the environment must be ensured. The main tools to be prepared include: pliers, screwdrivers, cleaning towels, etc.

  1. Open the engine hood and check the starter armature; if the armature is found to be loose, it indicates a problem and needs to be tightened.

  2. Check the grounding of the armature to ensure good contact between the armature and the ground wire to ensure current flow.

  3. Check the distance between the armature and the engine bearing to ensure that the distance is appropriate to avoid wear.


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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