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11-05

2022

Precautions for using automotive armatures?

As a new type of energy-saving, CNC integrated motor, the automotive armature shoulders the important task of revolutionizing the existing motor structure to achieve the goal of more energy-saving and longer-life motor innovation. Below are some precautions for using an automotive armature. There are also some precautions when using an automotive armature. For example, before disassembly, use compressed air to blow away dust from the surface of the motor and wipe off surface dirt. Choose a working location for disassembling the motor and clean the site environment. It is also necessary to be familiar with the structural characteristics and maintenance technical requirements of the automotive armature. Only in this way can the necessary tools and equipment for disassembly be prepared. To further understand the defects in the operation of the automotive armature, if possible, an inspection test can be carried out before disassembly. To this end, the automotive armature is placed under load for a trial run, and the temperature, sound, vibration, etc. of each part of the motor are carefully checked, and the voltage, current, and speed are tested. Then, the load is disconnected, and a no-load test is performed separately to measure the no-load. Load current and no-load losses are recorded. After all this is completed, the power can be cut off, the external wiring of the motor can be removed, and records can be made. When using an automotive armature, a megohmmeter with a suitable voltage must be used to test the insulation resistance of the motor. In order to compare the insulation resistance value measured during the last inspection, the insulation of the automotive armature is judged

10-12

2022

What are the advantages of a fuel pump armature?

As everyone knows, this component plays a key and pivotal role in the process of converting mechanical energy and electrical energy in a fuel pump. For a generator, it is the component that generates electromotive force. Below, we will discuss the advantages of fuel pump armatures. The fuel pump armature is now the part of the motor that houses the coil, and the relative movement of the coil and the magnetic field. In fact, it is mainly a coil group, wound and connected according to certain rules. It is one of the main components that realize electromechanical energy conversion in an electric motor. The fuel pump armature is composed of single-turn or multi-turn coils, and each turn can also be wound with multiple parallel wires. It shows a coil placed in the slot. In particular, it should be able to generate sufficient induced electromotive force and allow a certain armature current to pass through, thereby generating the required electromagnetic torque and electromagnetic power. In addition, it should save non-ferrous metals and insulating materials. Of course, its structure is simple and its operation is reliable. Moreover, the fuel pump armature is composed of many coils (hereinafter referred to as components) connected according to certain rules. It is wound with high-strength enamelled wire or glass fiber-wrapped flat copper wire. It should be known that the coil sides of some different coils are embedded in the armature in two layers. Proper insulation must be provided between the coils in the slots and the iron core and the upper and lower coil sides. In order to prevent the centrifugal force from throwing the edges of the coils out of the slots, the slots are used with slots

10-09

2022

What are the components of a fuel pump armature?

In an automotive engine's electric fuel pump, the armature (also called the rotor) is a crucial component. Theoretically, a fuel pump's lifespan can reach thousands of hours; however, due to wear and tear, its actual lifespan is significantly reduced to only hundreds of hours. The primary cause of this reduced lifespan is the severe damage caused by fuel corrosion and other effects on the armature. A current market solution involves applying an insulating layer to the fuel pump armature using a spray coating process. Generally, the spray powder is applied to the armature shaft and metal sheets to form an injection-molded insulating layer, typically an epoxy resin layer created through electrostatic spraying. However, this structure presents significant safety hazards. Uneven thickness in the spray coating during the process may lead to high-voltage breakdown of the insulating layer. Furthermore, the spray powder may dissolve in methanol, ethanol, diesel, or other fuels, causing fuel pump failure. Therefore, the insulating layer of existing fuel pump armatures using spray coating technology cannot guarantee the safe operation of the fuel pump, and the lifespan remains too short. Fuel pump armatures are divided into two types: DC armature windings and AC armature windings. They are used for DC and AC respectively. The armature includes the armature core and the armature windings.

09-22

2022

Basic knowledge of fuel pump armature

The fuel pump armature is a key component in the motor that enables the mutual conversion between mechanical and electrical energy. For generators, it is the component that generates electromotive force. Below is some basic knowledge about fuel pump armatures. The fuel pump armature is the part of the motor that contains the coil, and the coil moves relative to the magnetic field. In a generator, it generates induced electromotive force in the coil, and the coil rotates under force 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 fact, in the mid-19th century, the term was used for inductors, i.e., the support of magnets. Since everyone will use fuel pump armatures, you need to know that the components of an alternator or related equipment can be represented mechanically or electrically. Although these two sets of terms are clearly separate, they are often used interchangeably, or a combination of mechanical and electrical terms is included. Confusion may arise when using composite machines such as brushless alternators, or when talking between people accustomed to using differently configured machines. In fact, in most fuel pumps, the magnetic field rotates and is part of the rotor, while it is stationary and part of the stator. The fuel pump armature is generated by excitation. In power generation and motor modes

09-16

2022

Starter armature: What is an armature?

The starter armature manufacturer states that in the process of realizing the mutual conversion of mechanical energy and electrical energy, the motor plays a key and crucial role. For a generator, it is the component that generates electromotive force, such as the rotor in a DC generator and the stator in an AC generator; for a motor, 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 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. In the mid-19th century, the term "armature" was early used for inductors, i.e., holders of magnets. The starter armature manufacturer states that part of an AC generator 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 AC generators, or when talking to people accustomed to using different configurations of motors. In most generators, the field magnet is rotating and is part of the rotor, while the armature is stationary.

09-13

2022

Methods for winding the armature of a DC brushless automotive motor

The method for winding the armature winding of a DC brushless car motor is to leave a section of the cable end free and tie it tightly to the shaft. Hold the car armature with one hand, and wind the coil inductance clockwise with the other hand. Taking a five-slot armature as an example, the first coil is 1-5, the second coil is 2-6, then 3-7..., and so on. The sides of many components are on the next layer. The 5-9 components have one side on the next layer and the other side on the top layer. The sides of many components are on the top layer. In order to ensure the insulation between the top layer and the next layer components, it is advisable to place 0.1-0.15mm thick insulating paper pads in between. When the coil inductance in the slot reaches a certain level, a crossbar is needed to make it reach the bottom of the slot. When winding the coil inductance, the wire should be tightened first. Whether in the slot or the wire connection part, it is necessary to prevent the occurrence of crossed turns to prevent excessive space occupation and short circuit between turns due to partial stress of the wire. After all the windings are wound, the wire ends of the same winding component are bundled together, then the insulation layer of the wire connector is removed, different color waterproof sleeves are used, and they are embedded in the corresponding commutator segments. The important role of the armature in a DC brushless motor: DC motor,

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