Comparison of Encoder Stepping Motor and Servo Motor！

Stepping motor with encoder is only to improve some performance, high-precision positioning is improved, the torque has not been improved, the basic can be ignored, and still lose step.
 The servo motor encoder must have the encoder, if a servo motor does not have the encoder,
This motor can not be a servo motor.
  In the high-precision control, the servo motor can really accurate positioning, step is not.
 
Stepper motor is the electrical pulse signal into angular displacement or linear displacement encoder of the open-loop control element step
Electrical parts. In the case of non-overload, the motor speed encoder, stop the position depends only on the pulse signal frequency and pulse number, without being affected by load changes,
When the stepping driver receives
A pulse signal, which drives the stepper motor in the direction set by rotating a fixed angle, known as the "step angle"
, Its rotation is a step-by-step operation at a fixed angle. Can control the number of pulses to control the angular displacement, so as to achieve the purpose of accurate positioning;
At the same time can control the pulse frequency to control the motor rotation speed and acceleration, so as to achieve the tune
Speed ​​of purpose.

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