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???
12/14/05 12:21
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 		 #105214 - Re: Resonance.
Responding to: ???'s previous message
Dear Steve,
Thanks for your reply,

You are right the resonance is a problem. But I dont intend to run motor below 60RPM the motor starts and stops pretty well at 60RPM from where i can ramp up to 100RPM or more.

The manufacturer of motor too doesnt recommend running them below 60RPM due to resonance.

I will surely implement some damping but wont run it at speeds where it resonate.

Thanks & Regards,
Prahlad Purohit

List of 63 messages in thread
TopicAuthorDate
shaft encoder & HCTL2032 with stepper.            01/01/70 00:00      
   2032 clock            01/01/70 00:00      
      Re: 2032 Clock.            01/01/70 00:00      
   Correct Freq.            01/01/70 00:00      
      discusses the clocking            01/01/70 00:00      
         and one more            01/01/70 00:00      
   Clock = 32MHz still decoder cheating.            01/01/70 00:00      
      Damper ?            01/01/70 00:00      
         Re: Damper.            01/01/70 00:00      
            Sp            01/01/70 00:00      
               Re: Sp.            01/01/70 00:00      
                  closed loop systems            01/01/70 00:00      
                     and            01/01/70 00:00      
                  What is the reason for vibration?            01/01/70 00:00      
                     Re: Vibration Source.            01/01/70 00:00      
                        Vibration or resonance..?            01/01/70 00:00      
                           Stepper motor action            01/01/70 00:00      
                              Exactly...            01/01/70 00:00      
                                 OK            01/01/70 00:00      
                                    ringing            01/01/70 00:00      
                                       depends on factors            01/01/70 00:00      
                                       Just visualize any mechanical drive stop            01/01/70 00:00      
                        Possible tests            01/01/70 00:00      
                           Bummer isn't it ?            01/01/70 00:00      
      I know this, but has not seen it with tr            01/01/70 00:00      
         lower the clock            01/01/70 00:00      
            exactly            01/01/70 00:00      
               Re: Exactly.            01/01/70 00:00      
      errors            01/01/70 00:00      
         oscillation            01/01/70 00:00      
   Not Sure.            01/01/70 00:00      
      what does the scope say?            01/01/70 00:00      
         oscillator            01/01/70 00:00      
   Tried Frequencies from 25kHz to 33MHz.            01/01/70 00:00      
      you have something defective            01/01/70 00:00      
         Mechanics            01/01/70 00:00      
            I agree            01/01/70 00:00      
               any mechab=nical, however bad should giv            01/01/70 00:00      
                  Sloppy            01/01/70 00:00      
         RE: defective.            01/01/70 00:00      
            did you forget the mistletoe?            01/01/70 00:00      
               Re: offload.            01/01/70 00:00      
                  I mixed up 2 HCTLxxx chips.            01/01/70 00:00      
   Why encoder?            01/01/70 00:00      
      Reference            01/01/70 00:00      
         absolute encoder            01/01/70 00:00      
            expensive.            01/01/70 00:00      
               absolute encoders            01/01/70 00:00      
               the real problem with absolute encoders            01/01/70 00:00      
                  Nah            01/01/70 00:00      
      Re: Why Encoder.            01/01/70 00:00      
   Encoder with stepper            01/01/70 00:00      
   Problem Solved.            01/01/70 00:00      
      "Solved" ?            01/01/70 00:00      
         Re: Resonance.            01/01/70 00:00      
      "problem solved" does not jive            01/01/70 00:00      
         Re: Misleading encoder.            01/01/70 00:00      
            HCTL-2032 encoder counting problem            01/01/70 00:00      
   Torsion Damper.            01/01/70 00:00      
      Capture ?            01/01/70 00:00      
         Stepper motor with shaft encoder            01/01/70 00:00      
         Re: Capture.            01/01/70 00:00      
   Stepper motor            01/01/70 00:00      

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