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  • Brief introduction of motor temperature rise​ Aug-04-21
    Brief introduction of motor temperature rise   The temperature rise of the motor( including brushless motor/brushed motor/synchronous motor) is: the rated temperature rise of the motor refers to the maximum allowable temperature rise of the motor winding at the designed ambient temperature (...
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  • Is the brushless motor alternating or direct current Jul-14-21
    The characteristics of brushless motors are that all motors with external characteristics of DC motors adopt electronic commutation are collectively referred to as brushless motors. Due to the appearance of brushless motor, the strict boundary between AC and DC speed regulation system has been br...
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  • What kind of accuracy can be achieved for CNC turning parts? Jul-13-21
    What kind of accuracy can be achieved by CNC turning parts? The workpiece rotates and the turning tool moves in a straight line or curve in the plane.Turning is generally carried out on the lathe to process the inner and outer cylindrical surface, end face, conical surface, forming surface and th...
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  • Why don’t you wash the dishes by hand?This is probably the biggest misconception many people have about dishwashers Jun-22-21
    Why don’t you wash the dishes by hand?This is probably the biggest misconception many people have about dishwashers If the dishwasher doesn’t come clean, it’s better to wash it by hand.This is probably the biggest misconception many people have about dishwashers. In fact, dishwa...
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  • Why are all mechanical engineering drawings in blue? Jun-16-21
    Why are all mechanical engineering drawings in blue? Why are engineering drawings and mechanical drawings all blue?You probably know where the term blueprint comes from.In fact, the reason why these drawings are blue is because of the way they are drawn.These drawings are not drawn or printed, th...
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  • Regulation of motor starting times and interval time Jun-10-21
    Regulation of motor starting times and interval time A. Under normal circumstances, the squirrel cage motor is allowed to start twice in the cold state, and the interval of each time shall not be less than 5 minutes. In the hot state, it is allowed to start once;Whether in cold or hot state, the ...
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  • Algorithm for AC brushless motor and AC brushed motor Jun-01-21
    Algorithm for AC brushless motor and AC brushed motor   Scalar control   Scalar control (or V/Hz control) is a simple method of controlling the speed of an instruction motor The steady-state model of the command motor is mainly used to acquire technology, so transient performance is not po...
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  • Common motor control algorithms for BLDC brushless DC motors May-27-21
    Common motor control algorithms for BLDC brushless DC motors Brushless DC motors are self-commutating (self-direction conversion), so they are more complex to control. BLDC motor control requires an understanding of the rotor position and mechanism for rectification and steering of the motor.For ...
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  • What is the number of motor poles and how to divide the number of poles? May-14-21
    What is the number of motor poles and how to divide the number of poles? The number of poles in the motor is the number of magnetic poles in each phase of the motor. The number of poles corresponds to the speed of the motor. The 2-pole speed is about 3000 RPM, the 4-pole speed is 1500 RPM, and th...
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  • What are the magnet materials commonly used in permanent magnet motors? May-07-21
    What are the magnet materials commonly used in permanent magnet motors? Permanent magnet materials commonly used in the motor include sintered magnets and bonding magnets, the main types are aluminum-nickel-cobalt, ferrite, samarium cobalt, NdFeB and so on. Alnico: Alnico permanent magnet materia...
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  • Aluminum motor is different from cast iron motor Apr-29-21
    Aluminum motor is different from cast iron motor If you can’t decide whether to use aluminum motor or cast iron motor, let’s take a look at the difference between the two materials. Aluminum shell motor: the material used is aluminum, the advantages are light weight, good heat dissipa...
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  • The most common and effective method of motor waterproofing Apr-21-21
    The most common and effective method of DC brushless motors motor waterproofing Today’s waterproof small brushless DC motors that work up to 30 feet below the sea floor, which is a common industry standard, are named “waterproof,” not standard motors that have been modified, but...
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  • DC brushless motor constant power speed regulation mode​ Apr-15-21
    DC brushless motor constant power speed regulation mode Is the so-called weak magnetic speed regulation, this mode of speed regulation, the essence is a constant torque speed regulation mode of a supplement, mainly is some occasions, the need for a wide range of speed regulation, such as some gan...
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  • The number of magnetizing poles required for different types of motors Apr-07-21
    The number of magnetizing poles required for different types of motors First, we talk about the types of magnetization: A.The outer charging of the magnetic ring — that is, the outer surface of the magnetic ring is filled with magnetic poles, which are generally used for the rotor of the m...
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  • The requirements of micro DC motors and small brushless DC motors for magnetic materials Mar-29-21
    The requirements of micro DC motors and small brushless DC motors for magnetic materials Both micro DC motors and small brushless DC motors use magnetic tiles or magnetic rings, but the main difference between them is the different magnetization requirements.In the magnetization waveform, we can ...
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  • Current status of brushless DC motor application Mar-22-21
    Current status of brushless DC motor application Brushless DC motor (BLDCM) is developed on the basis of brushless DC motor, but its drive current is exactly AC;Brushless DC motor can be divided into brushless rate motor and brushless moment motor.In general, brushless motor drive current has two...
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