MFZOVITOR motor, Germany MFZOVITOR model, MFZOVITOR price

MFZOVITOR motor is a device that places the rotor in a rotating magnetic field, where it obtains torque under the action of the rotating magnetic field, causing the rotor to rotate. The rotor is a rotatable conductor, typically squirrel-cage in shape. Invented by electrical engineer Nikola Tesla in 1887. The rotor is a rotatable conductor, typically squirrel-cage in shape. The stator is the non-rotating part of the electric motor, with the main task of generating a rotating magnetic field. The rotating magnetic field is not achieved by mechanical means. Instead, alternating current is passed through pairs of electromagnets, causing their magnetic pole properties to change cyclically, thus equivalent to a rotating magnetic field. This type of motor does not have brushes or slip rings like DC motors. Depending on the type of AC power used, there are single-phase motors and three-phase motors. Single-phase motors are used in applications such as washing machines and electric fans; three-phase motors serve as power equipment in factories.

MFZOVITOR motor performance

The motor is also known as a motor rotating at synchronous speed. The rotor is attracted and rotated by the surrounding rotating magnetic field generated by the applied AC current. It rotates synchronously with the speed difference between the rotating magnetic field generated by the AC current and the magnetic field generated by the armature current. Open-loop speed control is possible. Without other measures, it cannot start rotating at startup. Induction motors in permanent magnet synchronous motors are more efficient. If the frequency of the electric power applied at startup is high, the stopped rotor will not be able to follow and cannot rotate on its own. Therefore, if the drive power supply is not frequency-controlled, a separate starting motor can be provided, or other types of motors can be used. It has a built-in mechanism. Semiconductors have high controllability via inverters, used together with the control circuit.

MFZOVITOR motor classification

Types of motors: 1. Classification by working power source: According to the different working power sources of electric motors, they can be divided into DC motors and AC motors. Among them, AC motors are further divided into single-phase motors and three-phase motors. 2. Classification by structure and working principle: Electric motors can be divided into DC motors, asynchronous motors, and synchronous motors according to their structure and working principle. Synchronous motors can be further divided into permanent magnet synchronous motors, reluctance synchronous motors, and hysteresis synchronous motors. Asynchronous motors can be divided into induction motors and AC commutator motors. Induction motors are further divided into three-phase asynchronous motors, single-phase asynchronous motors, and shaded-pole asynchronous motors. AC commutator motors are further divided into single-phase series-wound motors, AC/DC universal motors, and repulsion motors. DC motors can be divided into brushless DC motors and brushed DC motors according to their structure and working principle. Brushed DC motors can be divided into permanent magnet DC motors and electromagnetic DC motors. Electromagnetic DC motors are further divided into series-wound DC motors, shunt-wound DC motors, separately excited DC motors, and compound-wound DC motors. Permanent magnet DC motors are further divided into rare-earth permanent magnet DC motors, ferrite permanent magnet DC motors, and Alnico permanent magnet DC motors. 3. Classification by starting and operating mode: Electric motors can be divided into capacitor-start single-phase asynchronous motors, capacitor-run single-phase asynchronous motors, capacitor-start-run single-phase asynchronous motors, and split-phase single-phase asynchronous motors according to their starting and operating modes. 4. Classification by application: Electric motors can be divided into drive motors and control motors according to their application. Drive motors are further divided into motors for power tools (including drilling, polishing, grinding, slotting, cutting, reaming, and other tools), motors for home appliances (including washing machines, electric fans, refrigerators, air conditioners, recorders, VCRs, DVD players, vacuum cleaners, cameras, hair dryers, electric shavers, etc.), and motors for other general small mechanical equipment (including various small machine tools, small machinery, medical devices, electronic instruments, etc.). Control motors are further divided into stepper motors and servo motors. 5. Classification by rotor structure: Electric motors can be divided into cage-type induction motors (formerly known as squirrel-cage asynchronous motors) and wound-rotor induction motors (formerly known as wound-type asynchronous motors) according to the rotor structure. 6. Classification by operating speed: Electric motors can be divided into high-speed motors, low-speed motors, constant-speed motors, and variable-speed motors according to their operating speed. Low-speed motors are further divided into gear reduction motors, electromagnetic reduction motors, torque motors, and claw-pole synchronous motors. Variable-speed motors, in addition to being divided into stepped constant-speed motors, stepless constant-speed motors, stepped variable-speed motors, and stepless variable-speed motors, can also be divided into electromagnetic variable-speed motors, DC variable-speed motors, PWM variable-frequency variable-speed motors, and switched reluctance variable-speed motors. The rotor speed of an asynchronous motor is always slightly lower than the synchronous speed of the rotating magnetic field. The rotor speed of a synchronous motor remains at synchronous speed regardless of the load.

MFZOVITOR motor performance

Motor technology is widely used in the aviation, aerospace, and mold industries. High-speed machine tools and virtual axis machine tools represent major breakthroughs in machine tool technology. Whether for ordinary CNC machine tools or virtual axis machine tools, the key component for achieving high speeds remains the spindle unit. Spindle high-speed capability is commonly measured by the dn value (dn value refers to the product of the average diameter (mm) of the spindle bearings and the limit speed (r/min) of the spindle). With the development of bearing and lubrication technologies, spindle speeds have increased year by year. Data shows that after the development of oil-air lubrication devices and the adoption of angular contact ceramic ball bearings, new lubrication methods such as jet lubrication were adopted in the 90s. For spindle units with speeds above 10000r/min, driving via belts or couplings is no longer suitable. A more reasonable approach is direct drive with an built-in motor, where the motor rotor is directly mounted on the spindle and the stator is installed in the spindle sleeve, forming what is known as an electric spindle. This electric spindle features compact structure, ease of balancing, and high transmission efficiency, making it an ideal structure for high-speed spindles. The performance of the electric spindle is significantly affected by bearings and their lubrication technology, as well as many other factors, including bearing preload control, heat generation and cooling of the built-in motor, dynamic balancing of the spindle, and connection of parts on the shaft.

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