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Stepper motor inrush current
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Topic: Stepper motor inrush current (Read 2013 times)
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tony3d
Frequent Contributor
Posts: 393
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Stepper motor inrush current
«
on:
September 23, 2017, 01:41:05 pm »
Just wondering if the current induced be manually pushing a 3d printer bed around, can damage the printers circuitry?
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Karlo_Moharic
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Re: Stepper motor inrush current
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Reply #1 on:
September 23, 2017, 03:16:23 pm »
Unless you are pushing the bed with 10G of force , the answer is no. You will induce a couple of milivolts , maybe a volt at most.This is too small of a voltage to damage anything.
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tony3d
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Re: Stepper motor inrush current
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Reply #2 on:
September 23, 2017, 04:46:18 pm »
I can very easily spin the shaft of a small D.C. Motor, and generate over 3 volts. Moving a bed even rather slowly looks faster.
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Karlo_Moharic
Regular Contributor
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Re: Stepper motor inrush current
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Reply #3 on:
September 24, 2017, 08:46:43 pm »
It would took several hundred volts for you to damage something , you have nothing to worry about.
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Shock
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Re: Stepper motor inrush current
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Reply #4 on:
September 25, 2017, 11:46:57 am »
Thou shalt measure, with thy min/max.
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Raj
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Self taught, experimenter, noob(ish)
Re: Stepper motor inrush current
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Reply #5 on:
September 25, 2017, 05:53:35 pm »
unless you have a badly designed circuit,no.
most motor drivers have diode protections built in.
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