Seven major differences between brushless motor and carbon brush motor 1. Scope of application Brushless motor: it is usually used in the equipment with high control requirements and high speed, such as model airplanes, precision instruments, etc., which strictly control the motor speed and reach...

Advantages of brushless motor (1) No electric brush and low interference The brushless motor eliminates the brush, the most direct change is that there is no electric spark generated when the brushless motor operates, which greatly reduces the interference of electric spark to the remote control ...

Common problems and improvement methods during CNC precision machining process  Collider – Programming The reason: 1. The safety height is insufficient or not set (the knife or chuck hits the workpiece at the time of fast feed G00). 2. The tool in the program list and the actual program too...

Common problems and improvement methods during CNC precision machining process (1) A, The workpiece overcut The reason: 1. Spring knife, the strength of the knife is not too long or too small, resulting in the spring knife. 2. Improper operator operation. 3. Uneven cutting allowance (such as 0.5 ...

Type of motor torque regarding brushless motor/brushed motor/cooling fan/synchronous motor The torque setting of the motor is based on the load. Different load characteristics have different requirements for the torque characteristics of the motor. The motor torque mainly includes the maximum tor...

Why start a single-phase synchronous motor with capacitor? The three-phase synchronous motor is composed of the stator and rotor, in which the stator windings are energized to generate a rotating magnetic field, and because the phase difference between any two phases of the three-phase power supp...

Some tips about brushless DC motor 1. Brushless DC motor: Compared with brushless DC motor, it is characterized by long service life, easy speed control, small noise and large torque, etc., and is generally a brushless DC motor with external rotor used for multiple shafts. 2. The dynamic balance ...

Sleeve bearing 1. Advantages of using oil-bearing: a. Impact resistant to external forces, less damage caused during transportation; b.  The price is cheap (there is a big difference in price compared with ball bearings. 2.Disadvantages of using oil-bearing: a. Dust in the air will be sucked into...

Rotation principle of three - phase motor 1. Electromagnetism: The three-phase symmetrical winding leads to the three-phase symmetrical current to generate a circular rotating magnetic field.   2, magnetic generation: rotating magnetic field cutting rotor conductor induction electromotive fo...

Bearing types for mini cooling fan, small brushless motor and micro brushed motor In mechanical engineering, there are many types of bearings for mini DC cooling fan, AC/DC brushless motor and AC/DC brushed motor. But there are only three types of bearings used according to their basic operating ...

In order to ensure the service life of the mini cooling fan, the following matters should be noted： 1. Do not touch the blade or the power cord and wrap the cooling fan or pull the power cord. The axis and the power cord will be damaged. 2. Please avoid dust, water droplets and insects, which ma...

Bearing noise of motor – Can replacing bearings solve the problem? Bearing is the main components of DC brushless motor, DC brushed motor, AC brushless motor, AC brushed motor and cooling fan.   Bearing noise is the most common problem that confuses electrical engineers and users.   Be...

Working principle of AC cooling fan and DC cooling fan 1. Working  principle of AC cooling fan The  power supply of AC cooling fan is AC, and the power supply voltage is positive and negative. Unlike the DC cooling fan, which has a fixed power supply voltage, it must rely on circuit control to ma...

The classification of mini DC cooling fan 1. According to the working voltage of cooling fans: AC cooling fan, DC cooling fan 2. According to the driving motor of the cooling fan: brushless DC cooling fan, DC brush cooling fan, brushless AC fan. 3. According to the BEARING system: oil-bearing (SL...

Center tool alignment steps for CNC machining parts Take the center of the artifact as an example.   Workpiece spindle of 1, cutter left by the artifacts, remember the X value, knife, moved to the right of artifacts, on the right, remember the X value, the two X value, average, recorded in G...

What is the life time of the brushless DC motor related to?   The lifetime of the brushless DC motor is associated with factors such as insulation degradation or friction of the sliding part, dysfunction of the bearing etc., which mostly depended on the bearing state.The basic influencing fa...