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some basic questions about servo motor and stepper motor

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anan1975

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Dear all,
Q1. Please guide me that how a ac servo motor can rotate upto .018 degree but ac synchronous motor cant why?

Q2. if in 3000 pulses stepper motor rotates 1 round and same with the servo motor it also rotates single round in 3000 pulses what is difference between stepper and servo motor than?

Q3. what is difference between encoder controlled microprocessor based moving mechanism , and servo motor controlled moving mechanism.

Anand
 

teyakkuz

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Dear all,
Q1. Please guide me that how a ac servo motor can rotate upto .018 degree but ac synchronous motor cant why?

It is wrong. Actually this angle totally belong to resolution of feeback device.If you use a ac synchronous motor with a encoder and its resolution more than this angle , you can rotate them.

Q2. if in 3000 pulses stepper motor rotates 1 round and same with the servo motor it also rotates single round in 3000 pulses what is difference between stepper and servo motor than?

In this case the resolution of feedback is totally same. The main differences between servo and step are short time overload capacity and performance in high speeds.


Q3. what is difference between encoder controlled microprocessor based moving mechanism , and servo motor controlled moving mechanism.

what is encoder controlled? it is not motor. We can not compare encoder and servo motor.

regards,
teyakkuz
www.otomasyondaforum.com
 

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