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#1
 
02-02-2011, 11:53 AM
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Good evening. I have purchased a cnc machine & the stepper motors work O.K when moving all X.Y.Z. axis. but when the stepper motors are stationary there is no holding torque, & the ballscrews are able to be turned by hand. HAS ANY BODY ANY IDEAS. in simple terms please. Brian.  |
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#2
02-02-2011, 12:27 PM
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| Is it a Haas mill? Edit: based on the thread move, I guess it's not a Haas. Good luck with it! 
__________________ Greg Last edited by Donkey Hotey; 02-03-2011 at 12:49 AM. |
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#3
02-03-2011, 06:54 AM
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| Hi thank you for your reply the machine is syil x3 machine. Brian |
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#4
02-03-2011, 12:01 PM
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| It's a feature, not a bug. Your driver or software is putting the drivers to sleep to keep from overheating the motors. There is probably a way to disable that. Contact the technical support at the company you purchased the unit from. |
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#5
02-05-2011, 05:42 AM
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Hi James, Thank you for your help, have sent an email to them but they are in China & on Holiday (year of the rabbit i think ), In simple terms can any one tell me how the holding currant for these stepper motors works Please Brian. |
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#7
02-05-2011, 03:02 PM
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| Sorry I don't know anything about the specifics of those drivers so can't help. Another example of crap from China. |
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STEPPER MOTOR HOLDING CURRANT 
Linear Mode
