Stepping drive motor equipment _57 stepper motor
1: servo motor
servo motors are widely used in various kinds of control system, can the input voltage is converted to the motor shaft mechanical output, drag the control element, so as to achieve control objectives. Has dc and ac servo motor, the original servo planetary gear motor was general of dc motor, the control accuracy is not high, only the general dc motor servo motor. Structurally, the dc servo motor is small power dc motor, its excitation is controlled by the armature and field control, but usually the armature control.
2: stepper motor
machine is mainly used in the field of nc machine tool manufacturing, due to the stepper motor don't need A/D conversion, can be directly to digital pulse signal into angular displacement, therefore has long been regarded as the most ideal CNC machine actuators. In addition to the application of nc machine tools, the stepper motor can also be used in other machinery, such as the motion of the feeder motor, as a general purpose of floppy disk drive motor, can also be applied in the printer and the drawing instrument.
3: torque motor
torque motor has the characteristics of low speed and large torque. General in the textile industry often use ac torque motor, its working principle and structure of single-phase asynchronous motor and the same.
4: switch reluctance motor
switch reluctance motor, planetary gear motor is a new type of speed control structure is extremely simple and strong, low cost, adjustable speed performance is excellent, strong competitors, is a traditional control motor has great market potential.
5: brushless dc motor
the mechanical characteristics and regulation of brushless dc motor features good linearity, wide speed range, long service life, convenient maintenance noise small, does not exist a series of problems caused by brush, so this kind of motor in the control system has a lot of applications.
6: dc motor
dc motor has good speed regulation performance and the advantages of starting easily, can load starting, so the direct current motor is still widely used, especially in the coming of SCR dc power.
7: asynchronous motor
asynchronous planetary gear motor has simple structure, manufacture, use and maintenance is convenient, reliable operation and quality is small, low cost advantages. Asynchronous motor is widely used as the drive machine, water pump, fan, compressor,
crane lifting equipment, mining machinery, light industrial machinery, agricultural and sideline products processing machinery, etc. Most of the workers and peasants production and household appliances and medical devices, etc. Used in household appliances, such as electric fans, refrigerators, air conditioners, vacuum cleaners, etc.
8: synchronous motor
synchronous motor is mainly used in heavy machinery, such as fan, water pump, compressor, rolling mill, ball mill and small, micro instruments and equipment, or act as control element. The three phase synchronous motor is the main body. Besides, also can be used when the condenser to the grid inductive or capacitive reactive power
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